[  445.186830]  [<ffffffff81005e0c>] show_stack+0x1c/0x50
[  445.186834]  [<ffffffff81560e30>] dump_stack+0x41/0x51
[  445.186837]  [<ffffffff8104fb82>] warn_slowpath_common+0x72/0x90
[  445.186843]  [<ffffffffa04528a4>] __btrfs_free_extent+0x664/0xb00 [btrfs]
[  445.186856]  [<ffffffffa04569e5>] run_clustered_refs+0x765/0xdd0 [btrfs]
[  445.186871]  [<ffffffffa045b540>] btrfs_run_delayed_refs+0xd0/0x520 [btrfs]
[  445.186887]  [<ffffffffa046ae54>] btrfs_commit_transaction+0x44/0x970 [btrfs]
[  445.186907]  [<ffffffffa0462c55>] transaction_kthread+0x175/0x210 [btrfs]
[  445.186922]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  445.186926]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  445.186928] ---[ end trace 37569ae59e055586 ]---
[  445.186930] BTRFS error (device sda2): unable to find ref byte nr 8301998080 parent 0 root 260  owner 0 offset 0
[  445.186938] BTRFS info (device sda2): leaf 4628623360 total ptrs 45 free space 566
[  445.186940] 	item 0 key (8298213376 a8 4096) itemoff 3944 itemsize 51
[  445.186942] 		extent refs 1 gen 67227 flags 2
[  445.186944] 		tree block key (392602 0 0) level 0
[  445.186946] 		tree block backref root 5
[  445.186948] 	item 1 key (8298221568 a8 4096) itemoff 3893 itemsize 51
[  445.186950] 		extent refs 1 gen 67227 flags 2
[  445.186952] 		tree block key (392603 0 0) level 0
[  445.186953] 		tree block backref root 5
[  445.186955] 	item 2 key (8298299392 a8 4096) itemoff 3842 itemsize 51
[  445.186957] 		extent refs 1 gen 67227 flags 2
[  445.186959] 		tree block key (392610 0 0) level 0
[  445.186961] 		tree block backref root 5
[  445.186963] 	item 3 key (8298561536 a8 4096) itemoff 3791 itemsize 51
[  445.186965] 		extent refs 1 gen 67227 flags 2
[  445.186967] 		tree block key (392642 0 0) level 0
[  445.186968] 		tree block backref root 5
[  445.186970] 	item 4 key (8298721280 a8 4096) itemoff 3740 itemsize 51
[  445.186972] 		extent refs 1 gen 67227 flags 2
[  445.186974] 		tree block key (392675 0 0) level 0
[  445.186976] 		tree block backref root 5
[  445.186978] 	item 5 key (8298901504 a8 4096) itemoff 3689 itemsize 51
[  445.186980] 		extent refs 1 gen 184220 flags 2
[  445.186981] 		tree block key (218039 0 0) level 2
[  445.186983] 		tree block backref root 2645
[  445.186985] 	item 6 key (8298991616 a8 4096) itemoff 3638 itemsize 51
[  445.186987] 		extent refs 1 gen 67227 flags 2
[  445.186989] 		tree block key (392518 0 0) level 0
[  445.186991] 		tree block backref root 5
[  445.186993] 	item 7 key (8299089920 a8 4096) itemoff 3587 itemsize 51
[  445.186994] 		extent refs 1 gen 67227 flags 2
[  445.186996] 		tree block key (392518 0 0) level 0
[  445.186998] 		tree block backref root 5
[  445.187000] 	item 8 key (8299122688 a8 4096) itemoff 3536 itemsize 51
[  445.187002] 		extent refs 1 gen 67227 flags 2
[  445.187004] 		tree block key (392768 0 0) level 0
[  445.187006] 		tree block backref root 5
[  445.187008] 	item 9 key (8299163648 a8 4096) itemoff 3485 itemsize 51
[  445.187010] 		extent refs 1 gen 67227 flags 2
[  445.187011] 		tree block key (392773 0 0) level 0
[  445.187013] 		tree block backref root 5
[  445.187015] 	item 10 key (8299175936 a8 4096) itemoff 3434 itemsize 51
[  445.187017] 		extent refs 1 gen 67227 flags 2
[  445.187019] 		tree block key (392518 0 0) level 0
[  445.187021] 		tree block backref root 5
[  445.187023] 	item 11 key (8299294720 a8 4096) itemoff 3383 itemsize 51
[  445.187025] 		extent refs 1 gen 67227 flags 2
[  445.187027] 		tree block key (392773 0 0) level 0
[  445.187028] 		tree block backref root 5
[  445.187030] 	item 12 key (8299339776 a8 4096) itemoff 3332 itemsize 51
[  445.187032] 		extent refs 1 gen 67227 flags 2
[  445.187034] 		tree block key (392708 0 0) level 0
[  445.187036] 		tree block backref root 5
[  445.187038] 	item 13 key (8299372544 a8 4096) itemoff 3281 itemsize 51
[  445.187039] 		extent refs 1 gen 67227 flags 2
[  445.187041] 		tree block key (392708 0 0) level 0
[  445.187043] 		tree block backref root 5
[  445.187045] 	item 14 key (8299393024 a8 4096) itemoff 3230 itemsize 51
[  445.187047] 		extent refs 1 gen 184220 flags 2
[  445.187049] 		tree block key (292243 0 0) level 2
[  445.187051] 		tree block backref root 2645
[  445.187053] 	item 15 key (8299442176 a8 4096) itemoff 3179 itemsize 51
[  445.187055] 		extent refs 1 gen 67227 flags 2
[  445.187056] 		tree block key (392723 0 0) level 0
[  445.187058] 		tree block backref root 5
[  445.187060] 	item 16 key (8299462656 a8 4096) itemoff 3128 itemsize 51
[  445.187062] 		extent refs 1 gen 67227 flags 2
[  445.187064] 		tree block key (392737 0 0) level 0
[  445.187066] 		tree block backref root 5
[  445.187068] 	item 17 key (8299470848 a8 4096) itemoff 3077 itemsize 51
[  445.187070] 		extent refs 1 gen 67227 flags 2
[  445.187071] 		tree block key (392738 0 0) level 0
[  445.187073] 		tree block backref root 5
[  445.187076] 	item 18 key (8299503616 a8 4096) itemoff 3026 itemsize 51
[  445.187078] 		extent refs 1 gen 67227 flags 2
[  445.187079] 		tree block key (392739 0 0) level 0
[  445.187081] 		tree block backref root 5
[  445.187083] 	item 19 key (8299536384 a8 4096) itemoff 2975 itemsize 51
[  445.187085] 		extent refs 1 gen 67227 flags 2
[  445.187087] 		tree block key (392756 0 0) level 0
[  445.187088] 		tree block backref root 5
[  445.187090] 	item 20 key (8299548672 a8 4096) itemoff 2924 itemsize 51
[  445.187093] 		extent refs 1 gen 67227 flags 2
[  445.187095] 		tree block key (392757 0 0) level 0
[  445.187096] 		tree block backref root 5
[  445.187098] 	item 21 key (8299569152 a8 4096) itemoff 2873 itemsize 51
[  445.187100] 		extent refs 1 gen 67227 flags 2
[  445.187102] 		tree block key (392770 0 0) level 0
[  445.187104] 		tree block backref root 5
[  445.187106] 	item 22 key (8299593728 a8 4096) itemoff 2822 itemsize 51
[  445.187108] 		extent refs 1 gen 67227 flags 2
[  445.187110] 		tree block key (392770 0 0) level 0
[  445.187111] 		tree block backref root 5
[  445.187113] 	item 23 key (8299601920 a8 4096) itemoff 2771 itemsize 51
[  445.187115] 		extent refs 1 gen 67227 flags 2
[  445.187117] 		tree block key (392773 0 0) level 0
[  445.187119] 		tree block backref root 5
[  445.187121] 	item 24 key (8299708416 a8 4096) itemoff 2711 itemsize 60
[  445.187123] 		extent refs 2 gen 179984 flags 2
[  445.187125] 		tree block key (453531 0 0) level 0
[  445.187126] 		tree block backref root 2596
[  445.187128] 		tree block backref root 2594
[  445.187130] 	item 25 key (8299757568 a8 4096) itemoff 2660 itemsize 51
[  445.187132] 		extent refs 1 gen 184220 flags 2
[  445.187134] 		tree block key (310850 0 0) level 2
[  445.187136] 		tree block backref root 2645
[  445.187138] 	item 26 key (8300552192 a8 4096) itemoff 2609 itemsize 51
[  445.187140] 		extent refs 1 gen 67227 flags 2
[  445.187141] 		tree block key (392788 0 0) level 0
[  445.187143] 		tree block backref root 5
[  445.187145] 	item 27 key (8300691456 a8 4096) itemoff 2558 itemsize 51
[  445.187147] 		extent refs 1 gen 67227 flags 2
[  445.187149] 		tree block key (392790 0 0) level 0
[  445.187151] 		tree block backref root 5
[  445.187153] 	item 28 key (8300744704 a8 4096) itemoff 2507 itemsize 51
[  445.187154] 		extent refs 1 gen 67227 flags 2
[  445.187156] 		tree block key (392792 0 0) level 0
[  445.187158] 		tree block backref root 5
[  445.187160] 	item 29 key (8300892160 a8 4096) itemoff 2456 itemsize 51
[  445.187162] 		extent refs 1 gen 67227 flags 2
[  445.187164] 		tree block key (392793 0 0) level 0
[  445.187165] 		tree block backref root 5
[  445.187167] 	item 30 key (8301015040 a8 4096) itemoff 2405 itemsize 51
[  445.187169] 		extent refs 1 gen 179994 flags 2
[  445.187171] 		tree block key (269 0 0) level 0
[  445.187173] 		tree block backref root 261
[  445.187175] 	item 31 key (8301625344 a8 4096) itemoff 2354 itemsize 51
[  445.187176] 		extent refs 1 gen 383680 flags 2
[  445.187178] 		tree block key (1731 0 0) level 0
[  445.187180] 		shared block backref parent 1244377088
[  445.187182] 	item 32 key (8302096384 a8 4096) itemoff 2303 itemsize 51
[  445.187184] 		extent refs 1 gen 383680 flags 2
[  445.187186] 		tree block key (5138 0 0) level 0
[  445.187188] 		shared block backref parent 1244377088
[  445.187190] 	item 33 key (8302116864 a8 4096) itemoff 2252 itemsize 51
[  445.187192] 		extent refs 1 gen 383680 flags 2
[  445.187194] 		tree block key (5165 0 0) level 0
[  445.187195] 		shared block backref parent 1244377088
[  445.187197] 	item 34 key (8302133248 a8 4096) itemoff 2201 itemsize 51
[  445.187199] 		extent refs 1 gen 67227 flags 2
[  445.187201] 		tree block key (392518 0 0) level 0
[  445.187203] 		tree block backref root 5
[  445.187205] 	item 35 key (8302137344 a8 4096) itemoff 2150 itemsize 51
[  445.187207] 		extent refs 1 gen 383680 flags 2
[  445.187209] 		tree block key (5220 0 0) level 0
[  445.187210] 		shared block backref parent 1244377088
[  445.187212] 	item 36 key (8302166016 a8 4096) itemoff 2099 itemsize 51
[  445.187214] 		extent refs 1 gen 383680 flags 2
[  445.187216] 		tree block key (5833 0 0) level 0
[  445.187218] 		shared block backref parent 1244377088
[  445.187220] 	item 37 key (8302346240 a8 4096) itemoff 2048 itemsize 51
[  445.187222] 		extent refs 1 gen 383680 flags 2
[  445.187224] 		tree block key (1469 0 0) level 1
[  445.187225] 		tree block backref root 5
[  445.187227] 	item 38 key (8302350336 a8 4096) itemoff 1997 itemsize 51
[  445.187229] 		extent refs 1 gen 383680 flags 2
[  445.187231] 		tree block key (1551 0 0) level 0
[  445.187233] 		tree block backref root 5
[  445.187235] 	item 39 key (8302379008 a8 4096) itemoff 1946 itemsize 51
[  445.187237] 		extent refs 1 gen 383680 flags 2
[  445.187239] 		tree block key (23714 0 0) level 0
[  445.187240] 		tree block backref root 5
[  445.187242] 	item 40 key (8302383104 a8 4096) itemoff 1895 itemsize 51
[  445.187244] 		extent refs 1 gen 383680 flags 2
[  445.187246] 		tree block key (23717 0 0) level 0
[  445.187248] 		tree block backref root 5
[  445.187250] 	item 41 key (8302387200 a8 4096) itemoff 1844 itemsize 51
[  445.187252] 		extent refs 1 gen 383680 flags 2
[  445.187254] 		tree block key (23720 0 0) level 0
[  445.187256] 		tree block backref root 5
[  445.187257] 	item 42 key (8302391296 a8 4096) itemoff 1793 itemsize 51
[  445.187259] 		extent refs 1 gen 383680 flags 2
[  445.187261] 		tree block key (23721 0 0) level 0
[  445.187263] 		tree block backref root 5
[  445.187265] 	item 43 key (8302399488 a8 4096) itemoff 1742 itemsize 51
[  445.187267] 		extent refs 1 gen 383680 flags 2
[  445.187269] 		tree block key (23727 0 0) level 0
[  445.187271] 		tree block backref root 5
[  445.187273] 	item 44 key (8302403584 a8 4096) itemoff 1691 itemsize 51
[  445.187275] 		extent refs 1 gen 383680 flags 2
[  445.187277] 		tree block key (23730 0 0) level 0
[  445.187279] 		tree block backref root 5
[  445.187280] ------------[ cut here ]------------
[  445.187286] WARNING: CPU: 0 PID: 1608 at /home/abuild/rpmbuild/BUILD/kernel-default-3.11.6/linux-3.11/fs/btrfs/extent-tree.c:5702 __btrfs_free_extent+0x664/0xb00 [btrfs]()
[  445.187288] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  445.187309] CPU: 0 PID: 1608 Comm: btrfs-transacti Tainted: G        W    3.11.6-4-default #1
[  445.187311] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  445.187313]  0000000000000009 ffffffff81560e30 0000000000000000 ffffffff8104fb82
[  445.187316]  ffff8802b0f06760 00000001eed6e000 0000000000000000 ffff8803f38b9ef0
[  445.187319]  0000000000000000 ffffffffa04528a4 0000000000000000 0000000000000104
[  445.187321] Call Trace:
[  445.187325]  [<ffffffff81004868>] dump_trace+0x78/0x2c0
[  445.187328]  [<ffffffff81004b3f>] show_stack_log_lvl+0x8f/0x170
[  445.187332]  [<ffffffff81005e0c>] show_stack+0x1c/0x50
[  445.187335]  [<ffffffff81560e30>] dump_stack+0x41/0x51
[  445.187338]  [<ffffffff8104fb82>] warn_slowpath_common+0x72/0x90
[  445.187344]  [<ffffffffa04528a4>] __btrfs_free_extent+0x664/0xb00 [btrfs]
[  445.187358]  [<ffffffffa04569e5>] run_clustered_refs+0x765/0xdd0 [btrfs]
[  445.187373]  [<ffffffffa045b540>] btrfs_run_delayed_refs+0xd0/0x520 [btrfs]
[  445.187388]  [<ffffffffa046ae54>] btrfs_commit_transaction+0x44/0x970 [btrfs]
[  445.187408]  [<ffffffffa0462c55>] transaction_kthread+0x175/0x210 [btrfs]
[  445.187423]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  445.187426]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  445.187429] ---[ end trace 37569ae59e055587 ]---
[  445.187431] BTRFS error (device sda2): unable to find ref byte nr 8302026752 parent 0 root 260  owner 0 offset 0
[  445.187438] BTRFS info (device sda2): leaf 4628623360 total ptrs 44 free space 642
[  445.187440] 	item 0 key (8298213376 a8 4096) itemoff 3944 itemsize 51
[  445.187442] 		extent refs 1 gen 67227 flags 2
[  445.187444] 		tree block key (392602 0 0) level 0
[  445.187446] 		tree block backref root 5
[  445.187447] 	item 1 key (8298221568 a8 4096) itemoff 3893 itemsize 51
[  445.187449] 		extent refs 1 gen 67227 flags 2
[  445.187451] 		tree block key (392603 0 0) level 0
[  445.187453] 		tree block backref root 5
[  445.187455] 	item 2 key (8298299392 a8 4096) itemoff 3842 itemsize 51
[  445.187457] 		extent refs 1 gen 67227 flags 2
[  445.187458] 		tree block key (392610 0 0) level 0
[  445.187460] 		tree block backref root 5
[  445.187462] 	item 3 key (8298561536 a8 4096) itemoff 3791 itemsize 51
[  445.187464] 		extent refs 1 gen 67227 flags 2
[  445.187466] 		tree block key (392642 0 0) level 0
[  445.187468] 		tree block backref root 5
[  445.187469] 	item 4 key (8298721280 a8 4096) itemoff 3740 itemsize 51
[  445.187471] 		extent refs 1 gen 67227 flags 2
[  445.187473] 		tree block key (392675 0 0) level 0
[  445.187475] 		tree block backref root 5
[  445.187477] 	item 5 key (8298901504 a8 4096) itemoff 3689 itemsize 51
[  445.187479] 		extent refs 1 gen 184220 flags 2
[  445.187481] 		tree block key (218039 0 0) level 2
[  445.187482] 		tree block backref root 2645
[  445.187484] 	item 6 key (8298991616 a8 4096) itemoff 3638 itemsize 51
[  445.187486] 		extent refs 1 gen 67227 flags 2
[  445.187488] 		tree block key (392518 0 0) level 0
[  445.187490] 		tree block backref root 5
[  445.187492] 	item 7 key (8299089920 a8 4096) itemoff 3587 itemsize 51
[  445.187494] 		extent refs 1 gen 67227 flags 2
[  445.187496] 		tree block key (392518 0 0) level 0
[  445.187497] 		tree block backref root 5
[  445.187499] 	item 8 key (8299122688 a8 4096) itemoff 3536 itemsize 51
[  445.187501] 		extent refs 1 gen 67227 flags 2
[  445.187503] 		tree block key (392768 0 0) level 0
[  445.187505] 		tree block backref root 5
[  445.187507] 	item 9 key (8299163648 a8 4096) itemoff 3485 itemsize 51
[  445.187509] 		extent refs 1 gen 67227 flags 2
[  445.187511] 		tree block key (392773 0 0) level 0
[  445.187512] 		tree block backref root 5
[  445.187514] 	item 10 key (8299175936 a8 4096) itemoff 3434 itemsize 51
[  445.187516] 		extent refs 1 gen 67227 flags 2
[  445.187518] 		tree block key (392518 0 0) level 0
[  445.187520] 		tree block backref root 5
[  445.187522] 	item 11 key (8299294720 a8 4096) itemoff 3383 itemsize 51
[  445.187524] 		extent refs 1 gen 67227 flags 2
[  445.187526] 		tree block key (392773 0 0) level 0
[  445.187528] 		tree block backref root 5
[  445.187529] 	item 12 key (8299339776 a8 4096) itemoff 3332 itemsize 51
[  445.187531] 		extent refs 1 gen 67227 flags 2
[  445.187533] 		tree block key (392708 0 0) level 0
[  445.187535] 		tree block backref root 5
[  445.187537] 	item 13 key (8299372544 a8 4096) itemoff 3281 itemsize 51
[  445.187539] 		extent refs 1 gen 67227 flags 2
[  445.187541] 		tree block key (392708 0 0) level 0
[  445.187542] 		tree block backref root 5
[  445.187544] 	item 14 key (8299393024 a8 4096) itemoff 3230 itemsize 51
[  445.187546] 		extent refs 1 gen 184220 flags 2
[  445.187548] 		tree block key (292243 0 0) level 2
[  445.187550] 		tree block backref root 2645
[  445.187552] 	item 15 key (8299442176 a8 4096) itemoff 3179 itemsize 51
[  445.187554] 		extent refs 1 gen 67227 flags 2
[  445.187555] 		tree block key (392723 0 0) level 0
[  445.187557] 		tree block backref root 5
[  445.187559] 	item 16 key (8299462656 a8 4096) itemoff 3128 itemsize 51
[  445.187561] 		extent refs 1 gen 67227 flags 2
[  445.187563] 		tree block key (392737 0 0) level 0
[  445.187564] 		tree block backref root 5
[  445.187566] 	item 17 key (8299470848 a8 4096) itemoff 3077 itemsize 51
[  445.187568] 		extent refs 1 gen 67227 flags 2
[  445.187570] 		tree block key (392738 0 0) level 0
[  445.187572] 		tree block backref root 5
[  445.187574] 	item 18 key (8299503616 a8 4096) itemoff 3026 itemsize 51
[  445.187575] 		extent refs 1 gen 67227 flags 2
[  445.187577] 		tree block key (392739 0 0) level 0
[  445.187579] 		tree block backref root 5
[  445.187581] 	item 19 key (8299536384 a8 4096) itemoff 2975 itemsize 51
[  445.187583] 		extent refs 1 gen 67227 flags 2
[  445.187585] 		tree block key (392756 0 0) level 0
[  445.187586] 		tree block backref root 5
[  445.187588] 	item 20 key (8299548672 a8 4096) itemoff 2924 itemsize 51
[  445.187591] 		extent refs 1 gen 67227 flags 2
[  445.187592] 		tree block key (392757 0 0) level 0
[  445.187594] 		tree block backref root 5
[  445.187596] 	item 21 key (8299569152 a8 4096) itemoff 2873 itemsize 51
[  445.187598] 		extent refs 1 gen 67227 flags 2
[  445.187600] 		tree block key (392770 0 0) level 0
[  445.187601] 		tree block backref root 5
[  445.187603] 	item 22 key (8299593728 a8 4096) itemoff 2822 itemsize 51
[  445.187605] 		extent refs 1 gen 67227 flags 2
[  445.187607] 		tree block key (392770 0 0) level 0
[  445.187609] 		tree block backref root 5
[  445.187611] 	item 23 key (8299601920 a8 4096) itemoff 2771 itemsize 51
[  445.187613] 		extent refs 1 gen 67227 flags 2
[  445.187615] 		tree block key (392773 0 0) level 0
[  445.187616] 		tree block backref root 5
[  445.187618] 	item 24 key (8299708416 a8 4096) itemoff 2711 itemsize 60
[  445.187620] 		extent refs 2 gen 179984 flags 2
[  445.187622] 		tree block key (453531 0 0) level 0
[  445.187624] 		tree block backref root 2596
[  445.187626] 		tree block backref root 2594
[  445.187628] 	item 25 key (8299757568 a8 4096) itemoff 2660 itemsize 51
[  445.187630] 		extent refs 1 gen 184220 flags 2
[  445.187631] 		tree block key (310850 0 0) level 2
[  445.187633] 		tree block backref root 2645
[  445.187635] 	item 26 key (8300552192 a8 4096) itemoff 2609 itemsize 51
[  445.187637] 		extent refs 1 gen 67227 flags 2
[  445.187639] 		tree block key (392788 0 0) level 0
[  445.187641] 		tree block backref root 5
[  445.187643] 	item 27 key (8300691456 a8 4096) itemoff 2558 itemsize 51
[  445.187645] 		extent refs 1 gen 67227 flags 2
[  445.187646] 		tree block key (392790 0 0) level 0
[  445.187648] 		tree block backref root 5
[  445.187650] 	item 28 key (8300744704 a8 4096) itemoff 2507 itemsize 51
[  445.187652] 		extent refs 1 gen 67227 flags 2
[  445.187654] 		tree block key (392792 0 0) level 0
[  445.187655] 		tree block backref root 5
[  445.187657] 	item 29 key (8300892160 a8 4096) itemoff 2456 itemsize 51
[  445.187659] 		extent refs 1 gen 67227 flags 2
[  445.187661] 		tree block key (392793 0 0) level 0
[  445.187662] 		tree block backref root 5
[  445.187664] 	item 30 key (8301015040 a8 4096) itemoff 2405 itemsize 51
[  445.187666] 		extent refs 1 gen 179994 flags 2
[  445.187668] 		tree block key (269 0 0) level 0
[  445.187670] 		tree block backref root 261
[  445.187672] 	item 31 key (8301625344 a8 4096) itemoff 2354 itemsize 51
[  445.187674] 		extent refs 1 gen 383680 flags 2
[  445.187675] 		tree block key (1731 0 0) level 0
[  445.187677] 		shared block backref parent 1244377088
[  445.187679] 	item 32 key (8302116864 a8 4096) itemoff 2303 itemsize 51
[  445.187681] 		extent refs 1 gen 383680 flags 2
[  445.187683] 		tree block key (5165 0 0) level 0
[  445.187685] 		shared block backref parent 1244377088
[  445.187687] 	item 33 key (8302133248 a8 4096) itemoff 2252 itemsize 51
[  445.187689] 		extent refs 1 gen 67227 flags 2
[  445.187691] 		tree block key (392518 0 0) level 0
[  445.187692] 		tree block backref root 5
[  445.187694] 	item 34 key (8302137344 a8 4096) itemoff 2201 itemsize 51
[  445.187696] 		extent refs 1 gen 383680 flags 2
[  445.187698] 		tree block key (5220 0 0) level 0
[  445.187700] 		shared block backref parent 1244377088
[  445.187702] 	item 35 key (8302166016 a8 4096) itemoff 2150 itemsize 51
[  445.187704] 		extent refs 1 gen 383680 flags 2
[  445.187706] 		tree block key (5833 0 0) level 0
[  445.187708] 		shared block backref parent 1244377088
[  445.187710] 	item 36 key (8302346240 a8 4096) itemoff 2099 itemsize 51
[  445.187711] 		extent refs 1 gen 383680 flags 2
[  445.187713] 		tree block key (1469 0 0) level 1
[  445.187715] 		tree block backref root 5
[  445.187717] 	item 37 key (8302350336 a8 4096) itemoff 2048 itemsize 51
[  445.187719] 		extent refs 1 gen 383680 flags 2
[  445.187721] 		tree block key (1551 0 0) level 0
[  445.187722] 		tree block backref root 5
[  445.187724] 	item 38 key (8302379008 a8 4096) itemoff 1997 itemsize 51
[  445.187726] 		extent refs 1 gen 383680 flags 2
[  445.187728] 		tree block key (23714 0 0) level 0
[  445.187730] 		tree block backref root 5
[  445.187732] 	item 39 key (8302383104 a8 4096) itemoff 1946 itemsize 51
[  445.187734] 		extent refs 1 gen 383680 flags 2
[  445.187736] 		tree block key (23717 0 0) level 0
[  445.187737] 		tree block backref root 5
[  445.187739] 	item 40 key (8302387200 a8 4096) itemoff 1895 itemsize 51
[  445.187741] 		extent refs 1 gen 383680 flags 2
[  445.187743] 		tree block key (23720 0 0) level 0
[  445.187745] 		tree block backref root 5
[  445.187747] 	item 41 key (8302391296 a8 4096) itemoff 1844 itemsize 51
[  445.187749] 		extent refs 1 gen 383680 flags 2
[  445.187751] 		tree block key (23721 0 0) level 0
[  445.187752] 		tree block backref root 5
[  445.187754] 	item 42 key (8302399488 a8 4096) itemoff 1793 itemsize 51
[  445.187756] 		extent refs 1 gen 383680 flags 2
[  445.187758] 		tree block key (23727 0 0) level 0
[  445.187760] 		tree block backref root 5
[  445.187762] 	item 43 key (8302403584 a8 4096) itemoff 1742 itemsize 51
[  445.187763] 		extent refs 1 gen 383680 flags 2
[  445.187766] 		tree block key (23730 0 0) level 0
[  445.187767] 		tree block backref root 5
[  445.187769] ------------[ cut here ]------------
[  445.187774] WARNING: CPU: 0 PID: 1608 at /home/abuild/rpmbuild/BUILD/kernel-default-3.11.6/linux-3.11/fs/btrfs/extent-tree.c:5702 __btrfs_free_extent+0x664/0xb00 [btrfs]()
[  445.187777] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  445.187798] CPU: 0 PID: 1608 Comm: btrfs-transacti Tainted: G        W    3.11.6-4-default #1
[  445.187800] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  445.187802]  0000000000000009 ffffffff81560e30 0000000000000000 ffffffff8104fb82
[  445.187805]  ffff8802b0f06760 00000001eed7f000 0000000000000000 ffff8803f38b9ef0
[  445.187808]  0000000000000000 ffffffffa04528a4 0000000000000000 0000000000000104
[  445.187811] Call Trace:
[  445.187815]  [<ffffffff81004868>] dump_trace+0x78/0x2c0
[  445.187818]  [<ffffffff81004b3f>] show_stack_log_lvl+0x8f/0x170
[  445.187821]  [<ffffffff81005e0c>] show_stack+0x1c/0x50
[  445.187824]  [<ffffffff81560e30>] dump_stack+0x41/0x51
[  445.187827]  [<ffffffff8104fb82>] warn_slowpath_common+0x72/0x90
[  445.187833]  [<ffffffffa04528a4>] __btrfs_free_extent+0x664/0xb00 [btrfs]
[  445.187847]  [<ffffffffa04569e5>] run_clustered_refs+0x765/0xdd0 [btrfs]
[  445.187862]  [<ffffffffa045b540>] btrfs_run_delayed_refs+0xd0/0x520 [btrfs]
[  445.187878]  [<ffffffffa046ae54>] btrfs_commit_transaction+0x44/0x970 [btrfs]
[  445.187898]  [<ffffffffa0462c55>] transaction_kthread+0x175/0x210 [btrfs]
[  445.187913]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  445.187916]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  445.187919] ---[ end trace 37569ae59e055588 ]---
[  445.187921] BTRFS error (device sda2): unable to find ref byte nr 8302096384 parent 0 root 260  owner 0 offset 0
[  445.187928] BTRFS info (device sda2): leaf 4628623360 total ptrs 43 free space 718
[  445.187930] 	item 0 key (8298213376 a8 4096) itemoff 3944 itemsize 51
[  445.187932] 		extent refs 1 gen 67227 flags 2
[  445.187934] 		tree block key (392602 0 0) level 0
[  445.187935] 		tree block backref root 5
[  445.187937] 	item 1 key (8298221568 a8 4096) itemoff 3893 itemsize 51
[  445.187939] 		extent refs 1 gen 67227 flags 2
[  445.187941] 		tree block key (392603 0 0) level 0
[  445.187943] 		tree block backref root 5
[  445.187945] 	item 2 key (8298299392 a8 4096) itemoff 3842 itemsize 51
[  445.187946] 		extent refs 1 gen 67227 flags 2
[  445.187948] 		tree block key (392610 0 0) level 0
[  445.187950] 		tree block backref root 5
[  445.187952] 	item 3 key (8298561536 a8 4096) itemoff 3791 itemsize 51
[  445.187954] 		extent refs 1 gen 67227 flags 2
[  445.187956] 		tree block key (392642 0 0) level 0
[  445.187958] 		tree block backref root 5
[  445.187960] 	item 4 key (8298721280 a8 4096) itemoff 3740 itemsize 51
[  445.187962] 		extent refs 1 gen 67227 flags 2
[  445.187964] 		tree block key (392675 0 0) level 0
[  445.187966] 		tree block backref root 5
[  445.187968] 	item 5 key (8298901504 a8 4096) itemoff 3689 itemsize 51
[  445.187970] 		extent refs 1 gen 184220 flags 2
[  445.187972] 		tree block key (218039 0 0) level 2
[  445.187973] 		tree block backref root 2645
[  445.187975] 	item 6 key (8298991616 a8 4096) itemoff 3638 itemsize 51
[  445.187977] 		extent refs 1 gen 67227 flags 2
[  445.187979] 		tree block key (392518 0 0) level 0
[  445.187981] 		tree block backref root 5
[  445.187983] 	item 7 key (8299089920 a8 4096) itemoff 3587 itemsize 51
[  445.187985] 		extent refs 1 gen 67227 flags 2
[  445.187987] 		tree block key (392518 0 0) level 0
[  445.187989] 		tree block backref root 5
[  445.187990] 	item 8 key (8299122688 a8 4096) itemoff 3536 itemsize 51
[  445.187992] 		extent refs 1 gen 67227 flags 2
[  445.187994] 		tree block key (392768 0 0) level 0
[  445.187996] 		tree block backref root 5
[  445.187998] 	item 9 key (8299163648 a8 4096) itemoff 3485 itemsize 51
[  445.188000] 		extent refs 1 gen 67227 flags 2
[  445.188002] 		tree block key (392773 0 0) level 0
[  445.188004] 		tree block backref root 5
[  445.188006] 	item 10 key (8299175936 a8 4096) itemoff 3434 itemsize 51
[  445.188007] 		extent refs 1 gen 67227 flags 2
[  445.188009] 		tree block key (392518 0 0) level 0
[  445.188011] 		tree block backref root 5
[  445.188013] 	item 11 key (8299294720 a8 4096) itemoff 3383 itemsize 51
[  445.188015] 		extent refs 1 gen 67227 flags 2
[  445.188017] 		tree block key (392773 0 0) level 0
[  445.188018] 		tree block backref root 5
[  445.188020] 	item 12 key (8299339776 a8 4096) itemoff 3332 itemsize 51
[  445.188022] 		extent refs 1 gen 67227 flags 2
[  445.188024] 		tree block key (392708 0 0) level 0
[  445.188026] 		tree block backref root 5
[  445.188028] 	item 13 key (8299372544 a8 4096) itemoff 3281 itemsize 51
[  445.188030] 		extent refs 1 gen 67227 flags 2
[  445.188032] 		tree block key (392708 0 0) level 0
[  445.188033] 		tree block backref root 5
[  445.188035] 	item 14 key (8299393024 a8 4096) itemoff 3230 itemsize 51
[  445.188037] 		extent refs 1 gen 184220 flags 2
[  445.188039] 		tree block key (292243 0 0) level 2
[  445.188041] 		tree block backref root 2645
[  445.188043] 	item 15 key (8299442176 a8 4096) itemoff 3179 itemsize 51
[  445.188045] 		extent refs 1 gen 67227 flags 2
[  445.188047] 		tree block key (392723 0 0) level 0
[  445.188048] 		tree block backref root 5
[  445.188050] 	item 16 key (8299462656 a8 4096) itemoff 3128 itemsize 51
[  445.188052] 		extent refs 1 gen 67227 flags 2
[  445.188054] 		tree block key (392737 0 0) level 0
[  445.188056] 		tree block backref root 5
[  445.188057] 	item 17 key (8299470848 a8 4096) itemoff 3077 itemsize 51
[  445.188059] 		extent refs 1 gen 67227 flags 2
[  445.188061] 		tree block key (392738 0 0) level 0
[  445.188063] 		tree block backref root 5
[  445.188065] 	item 18 key (8299503616 a8 4096) itemoff 3026 itemsize 51
[  445.188067] 		extent refs 1 gen 67227 flags 2
[  445.188069] 		tree block key (392739 0 0) level 0
[  445.188070] 		tree block backref root 5
[  445.188073] 	item 19 key (8299536384 a8 4096) itemoff 2975 itemsize 51
[  445.188074] 		extent refs 1 gen 67227 flags 2
[  445.188076] 		tree block key (392756 0 0) level 0
[  445.188078] 		tree block backref root 5
[  445.188080] 	item 20 key (8299548672 a8 4096) itemoff 2924 itemsize 51
[  445.188082] 		extent refs 1 gen 67227 flags 2
[  445.188084] 		tree block key (392757 0 0) level 0
[  445.188086] 		tree block backref root 5
[  445.188087] 	item 21 key (8299569152 a8 4096) itemoff 2873 itemsize 51
[  445.188089] 		extent refs 1 gen 67227 flags 2
[  445.188091] 		tree block key (392770 0 0) level 0
[  445.188093] 		tree block backref root 5
[  445.188095] 	item 22 key (8299593728 a8 4096) itemoff 2822 itemsize 51
[  445.188097] 		extent refs 1 gen 67227 flags 2
[  445.188099] 		tree block key (392770 0 0) level 0
[  445.188101] 		tree block backref root 5
[  445.188103] 	item 23 key (8299601920 a8 4096) itemoff 2771 itemsize 51
[  445.188104] 		extent refs 1 gen 67227 flags 2
[  445.188106] 		tree block key (392773 0 0) level 0
[  445.188108] 		tree block backref root 5
[  445.188110] 	item 24 key (8299708416 a8 4096) itemoff 2711 itemsize 60
[  445.188112] 		extent refs 2 gen 179984 flags 2
[  445.188114] 		tree block key (453531 0 0) level 0
[  445.188116] 		tree block backref root 2596
[  445.188117] 		tree block backref root 2594
[  445.188119] 	item 25 key (8299757568 a8 4096) itemoff 2660 itemsize 51
[  445.188121] 		extent refs 1 gen 184220 flags 2
[  445.188123] 		tree block key (310850 0 0) level 2
[  445.188125] 		tree block backref root 2645
[  445.188127] 	item 26 key (8300552192 a8 4096) itemoff 2609 itemsize 51
[  445.188129] 		extent refs 1 gen 67227 flags 2
[  445.188131] 		tree block key (392788 0 0) level 0
[  445.188133] 		tree block backref root 5
[  445.188135] 	item 27 key (8300691456 a8 4096) itemoff 2558 itemsize 51
[  445.188137] 		extent refs 1 gen 67227 flags 2
[  445.188139] 		tree block key (392790 0 0) level 0
[  445.188140] 		tree block backref root 5
[  445.188143] 	item 28 key (8300744704 a8 4096) itemoff 2507 itemsize 51
[  445.188145] 		extent refs 1 gen 67227 flags 2
[  445.188146] 		tree block key (392792 0 0) level 0
[  445.188148] 		tree block backref root 5
[  445.188150] 	item 29 key (8300892160 a8 4096) itemoff 2456 itemsize 51
[  445.188152] 		extent refs 1 gen 67227 flags 2
[  445.188154] 		tree block key (392793 0 0) level 0
[  445.188155] 		tree block backref root 5
[  445.188157] 	item 30 key (8301015040 a8 4096) itemoff 2405 itemsize 51
[  445.188159] 		extent refs 1 gen 179994 flags 2
[  445.188161] 		tree block key (269 0 0) level 0
[  445.188163] 		tree block backref root 261
[  445.188165] 	item 31 key (8301625344 a8 4096) itemoff 2354 itemsize 51
[  445.188167] 		extent refs 1 gen 383680 flags 2
[  445.188169] 		tree block key (1731 0 0) level 0
[  445.188170] 		shared block backref parent 1244377088
[  445.188172] 	item 32 key (8302133248 a8 4096) itemoff 2303 itemsize 51
[  445.188174] 		extent refs 1 gen 67227 flags 2
[  445.188176] 		tree block key (392518 0 0) level 0
[  445.188178] 		tree block backref root 5
[  445.188180] 	item 33 key (8302137344 a8 4096) itemoff 2252 itemsize 51
[  445.188182] 		extent refs 1 gen 383680 flags 2
[  445.188184] 		tree block key (5220 0 0) level 0
[  445.188186] 		shared block backref parent 1244377088
[  445.188188] 	item 34 key (8302166016 a8 4096) itemoff 2201 itemsize 51
[  445.188190] 		extent refs 1 gen 383680 flags 2
[  445.188191] 		tree block key (5833 0 0) level 0
[  445.188193] 		shared block backref parent 1244377088
[  445.188195] 	item 35 key (8302346240 a8 4096) itemoff 2150 itemsize 51
[  445.188197] 		extent refs 1 gen 383680 flags 2
[  445.188199] 		tree block key (1469 0 0) level 1
[  445.188201] 		tree block backref root 5
[  445.188203] 	item 36 key (8302350336 a8 4096) itemoff 2099 itemsize 51
[  445.188205] 		extent refs 1 gen 383680 flags 2
[  445.188206] 		tree block key (1551 0 0) level 0
[  445.188208] 		tree block backref root 5
[  445.188210] 	item 37 key (8302379008 a8 4096) itemoff 2048 itemsize 51
[  445.188212] 		extent refs 1 gen 383680 flags 2
[  445.188214] 		tree block key (23714 0 0) level 0
[  445.188215] 		tree block backref root 5
[  445.188217] 	item 38 key (8302383104 a8 4096) itemoff 1997 itemsize 51
[  445.188219] 		extent refs 1 gen 383680 flags 2
[  445.188221] 		tree block key (23717 0 0) level 0
[  445.188223] 		tree block backref root 5
[  445.188225] 	item 39 key (8302387200 a8 4096) itemoff 1946 itemsize 51
[  445.188227] 		extent refs 1 gen 383680 flags 2
[  445.188229] 		tree block key (23720 0 0) level 0
[  445.188231] 		tree block backref root 5
[  445.188233] 	item 40 key (8302391296 a8 4096) itemoff 1895 itemsize 51
[  445.188235] 		extent refs 1 gen 383680 flags 2
[  445.188237] 		tree block key (23721 0 0) level 0
[  445.188238] 		tree block backref root 5
[  445.188240] 	item 41 key (8302399488 a8 4096) itemoff 1844 itemsize 51
[  445.188242] 		extent refs 1 gen 383680 flags 2
[  445.188244] 		tree block key (23727 0 0) level 0
[  445.188246] 		tree block backref root 5
[  445.188248] 	item 42 key (8302403584 a8 4096) itemoff 1793 itemsize 51
[  445.188249] 		extent refs 1 gen 383680 flags 2
[  445.188251] 		tree block key (23730 0 0) level 0
[  445.188253] 		tree block backref root 5
[  445.188255] ------------[ cut here ]------------
[  445.188260] WARNING: CPU: 0 PID: 1608 at /home/abuild/rpmbuild/BUILD/kernel-default-3.11.6/linux-3.11/fs/btrfs/extent-tree.c:5702 __btrfs_free_extent+0x664/0xb00 [btrfs]()
[  445.188262] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  445.188283] CPU: 0 PID: 1608 Comm: btrfs-transacti Tainted: G        W    3.11.6-4-default #1
[  445.188285] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  445.188287]  0000000000000009 ffffffff81560e30 0000000000000000 ffffffff8104fb82
[  445.188290]  ffff8802b0f06760 00000001eed84000 0000000000000000 ffff8803f38b9ef0
[  445.188293]  0000000000000000 ffffffffa04528a4 0000000000000000 0000000000000104
[  445.188296] Call Trace:
[  445.188299]  [<ffffffff81004868>] dump_trace+0x78/0x2c0
[  445.188302]  [<ffffffff81004b3f>] show_stack_log_lvl+0x8f/0x170
[  445.188305]  [<ffffffff81005e0c>] show_stack+0x1c/0x50
[  445.188308]  [<ffffffff81560e30>] dump_stack+0x41/0x51
[  445.188312]  [<ffffffff8104fb82>] warn_slowpath_common+0x72/0x90
[  445.188318]  [<ffffffffa04528a4>] __btrfs_free_extent+0x664/0xb00 [btrfs]
[  445.188331]  [<ffffffffa04569e5>] run_clustered_refs+0x765/0xdd0 [btrfs]
[  445.188346]  [<ffffffffa045b540>] btrfs_run_delayed_refs+0xd0/0x520 [btrfs]
[  445.188362]  [<ffffffffa046ae54>] btrfs_commit_transaction+0x44/0x970 [btrfs]
[  445.188382]  [<ffffffffa0462c55>] transaction_kthread+0x175/0x210 [btrfs]
[  445.188397]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  445.188400]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  445.188403] ---[ end trace 37569ae59e055589 ]---
[  445.188405] BTRFS error (device sda2): unable to find ref byte nr 8302116864 parent 0 root 260  owner 0 offset 0
[  445.188411] BTRFS info (device sda2): leaf 4628623360 total ptrs 42 free space 794
[  445.188413] 	item 0 key (8298213376 a8 4096) itemoff 3944 itemsize 51
[  445.188415] 		extent refs 1 gen 67227 flags 2
[  445.188417] 		tree block key (392602 0 0) level 0
[  445.188419] 		tree block backref root 5
[  445.188421] 	item 1 key (8298221568 a8 4096) itemoff 3893 itemsize 51
[  445.188423] 		extent refs 1 gen 67227 flags 2
[  445.188424] 		tree block key (392603 0 0) level 0
[  445.188426] 		tree block backref root 5
[  445.188428] 	item 2 key (8298299392 a8 4096) itemoff 3842 itemsize 51
[  445.188430] 		extent refs 1 gen 67227 flags 2
[  445.188432] 		tree block key (392610 0 0) level 0
[  445.188433] 		tree block backref root 5
[  445.188435] 	item 3 key (8298561536 a8 4096) itemoff 3791 itemsize 51
[  445.188437] 		extent refs 1 gen 67227 flags 2
[  445.188439] 		tree block key (392642 0 0) level 0
[  445.188441] 		tree block backref root 5
[  445.188443] 	item 4 key (8298721280 a8 4096) itemoff 3740 itemsize 51
[  445.188445] 		extent refs 1 gen 67227 flags 2
[  445.188447] 		tree block key (392675 0 0) level 0
[  445.188448] 		tree block backref root 5
[  445.188450] 	item 5 key (8298901504 a8 4096) itemoff 3689 itemsize 51
[  445.188452] 		extent refs 1 gen 184220 flags 2
[  445.188454] 		tree block key (218039 0 0) level 2
[  445.188456] 		tree block backref root 2645
[  445.188458] 	item 6 key (8298991616 a8 4096) itemoff 3638 itemsize 51
[  445.188460] 		extent refs 1 gen 67227 flags 2
[  445.188462] 		tree block key (392518 0 0) level 0
[  445.188463] 		tree block backref root 5
[  445.188465] 	item 7 key (8299089920 a8 4096) itemoff 3587 itemsize 51
[  445.188467] 		extent refs 1 gen 67227 flags 2
[  445.188469] 		tree block key (392518 0 0) level 0
[  445.188471] 		tree block backref root 5
[  445.188481] 	item 8 key (8299122688 a8 4096) itemoff 3536 itemsize 51
[  445.188483] 		extent refs 1 gen 67227 flags 2
[  445.188485] 		tree block key (392768 0 0) level 0
[  445.188487] 		tree block backref root 5
[  445.188489] 	item 9 key (8299163648 a8 4096) itemoff 3485 itemsize 51
[  445.188490] 		extent refs 1 gen 67227 flags 2
[  445.188492] 		tree block key (392773 0 0) level 0
[  445.188494] 		tree block backref root 5
[  445.188496] 	item 10 key (8299175936 a8 4096) itemoff 3434 itemsize 51
[  445.188501] 		extent refs 1 gen 67227 flags 2
[  445.188503] 		tree block key (392518 0 0) level 0
[  445.188505] 		tree block backref root 5
[  445.188507] 	item 11 key (8299294720 a8 4096) itemoff 3383 itemsize 51
[  445.188509] 		extent refs 1 gen 67227 flags 2
[  445.188511] 		tree block key (392773 0 0) level 0
[  445.188512] 		tree block backref root 5
[  445.188514] 	item 12 key (8299339776 a8 4096) itemoff 3332 itemsize 51
[  445.188516] 		extent refs 1 gen 67227 flags 2
[  445.188527] 		tree block key (392708 0 0) level 0
[  445.188529] 		tree block backref root 5
[  445.188531] 	item 13 key (8299372544 a8 4096) itemoff 3281 itemsize 51
[  445.188533] 		extent refs 1 gen 67227 flags 2
[  445.188535] 		tree block key (392708 0 0) level 0
[  445.188536] 		tree block backref root 5
[  445.188538] 	item 14 key (8299393024 a8 4096) itemoff 3230 itemsize 51
[  445.188540] 		extent refs 1 gen 184220 flags 2
[  445.188542] 		tree block key (292243 0 0) level 2
[  445.188544] 		tree block backref root 2645
[  445.188546] 	item 15 key (8299442176 a8 4096) itemoff 3179 itemsize 51
[  445.188548] 		extent refs 1 gen 67227 flags 2
[  445.188550] 		tree block key (392723 0 0) level 0
[  445.188551] 		tree block backref root 5
[  445.188553] 	item 16 key (8299462656 a8 4096) itemoff 3128 itemsize 51
[  445.188555] 		extent refs 1 gen 67227 flags 2
[  445.188557] 		tree block key (392737 0 0) level 0
[  445.188559] 		tree block backref root 5
[  445.188561] 	item 17 key (8299470848 a8 4096) itemoff 3077 itemsize 51
[  445.188563] 		extent refs 1 gen 67227 flags 2
[  445.188565] 		tree block key (392738 0 0) level 0
[  445.188566] 		tree block backref root 5
[  445.188568] 	item 18 key (8299503616 a8 4096) itemoff 3026 itemsize 51
[  445.188570] 		extent refs 1 gen 67227 flags 2
[  445.188572] 		tree block key (392739 0 0) level 0
[  445.188574] 		tree block backref root 5
[  445.188576] 	item 19 key (8299536384 a8 4096) itemoff 2975 itemsize 51
[  445.188578] 		extent refs 1 gen 67227 flags 2
[  445.188579] 		tree block key (392756 0 0) level 0
[  445.188581] 		tree block backref root 5
[  445.188583] 	item 20 key (8299548672 a8 4096) itemoff 2924 itemsize 51
[  445.188585] 		extent refs 1 gen 67227 flags 2
[  445.188587] 		tree block key (392757 0 0) level 0
[  445.188588] 		tree block backref root 5
[  445.188590] 	item 21 key (8299569152 a8 4096) itemoff 2873 itemsize 51
[  445.188592] 		extent refs 1 gen 67227 flags 2
[  445.188594] 		tree block key (392770 0 0) level 0
[  445.188596] 		tree block backref root 5
[  445.188598] 	item 22 key (8299593728 a8 4096) itemoff 2822 itemsize 51
[  445.188600] 		extent refs 1 gen 67227 flags 2
[  445.188602] 		tree block key (392770 0 0) level 0
[  445.188603] 		tree block backref root 5
[  445.188605] 	item 23 key (8299601920 a8 4096) itemoff 2771 itemsize 51
[  445.188607] 		extent refs 1 gen 67227 flags 2
[  445.188609] 		tree block key (392773 0 0) level 0
[  445.188611] 		tree block backref root 5
[  445.188613] 	item 24 key (8299708416 a8 4096) itemoff 2711 itemsize 60
[  445.188615] 		extent refs 2 gen 179984 flags 2
[  445.188617] 		tree block key (453531 0 0) level 0
[  445.188618] 		tree block backref root 2596
[  445.188620] 		tree block backref root 2594
[  445.188622] 	item 25 key (8299757568 a8 4096) itemoff 2660 itemsize 51
[  445.188624] 		extent refs 1 gen 184220 flags 2
[  445.188626] 		tree block key (310850 0 0) level 2
[  445.188628] 		tree block backref root 2645
[  445.188630] 	item 26 key (8300552192 a8 4096) itemoff 2609 itemsize 51
[  445.188632] 		extent refs 1 gen 67227 flags 2
[  445.188634] 		tree block key (392788 0 0) level 0
[  445.188635] 		tree block backref root 5
[  445.188637] 	item 27 key (8300691456 a8 4096) itemoff 2558 itemsize 51
[  445.188639] 		extent refs 1 gen 67227 flags 2
[  445.188641] 		tree block key (392790 0 0) level 0
[  445.188643] 		tree block backref root 5
[  445.188645] 	item 28 key (8300744704 a8 4096) itemoff 2507 itemsize 51
[  445.188647] 		extent refs 1 gen 67227 flags 2
[  445.188648] 		tree block key (392792 0 0) level 0
[  445.188650] 		tree block backref root 5
[  445.188652] 	item 29 key (8300892160 a8 4096) itemoff 2456 itemsize 51
[  445.188654] 		extent refs 1 gen 67227 flags 2
[  445.188656] 		tree block key (392793 0 0) level 0
[  445.188657] 		tree block backref root 5
[  445.188659] 	item 30 key (8301015040 a8 4096) itemoff 2405 itemsize 51
[  445.188661] 		extent refs 1 gen 179994 flags 2
[  445.188664] 		tree block key (269 0 0) level 0
[  445.188665] 		tree block backref root 261
[  445.188667] 	item 31 key (8301625344 a8 4096) itemoff 2354 itemsize 51
[  445.188669] 		extent refs 1 gen 383680 flags 2
[  445.188671] 		tree block key (1731 0 0) level 0
[  445.188673] 		shared block backref parent 1244377088
[  445.188675] 	item 32 key (8302137344 a8 4096) itemoff 2303 itemsize 51
[  445.188677] 		extent refs 1 gen 383680 flags 2
[  445.188679] 		tree block key (5220 0 0) level 0
[  445.188680] 		shared block backref parent 1244377088
[  445.188682] 	item 33 key (8302166016 a8 4096) itemoff 2252 itemsize 51
[  445.188685] 		extent refs 1 gen 383680 flags 2
[  445.188686] 		tree block key (5833 0 0) level 0
[  445.188688] 		shared block backref parent 1244377088
[  445.188690] 	item 34 key (8302346240 a8 4096) itemoff 2201 itemsize 51
[  445.188692] 		extent refs 1 gen 383680 flags 2
[  445.188694] 		tree block key (1469 0 0) level 1
[  445.188695] 		tree block backref root 5
[  445.188697] 	item 35 key (8302350336 a8 4096) itemoff 2150 itemsize 51
[  445.188699] 		extent refs 1 gen 383680 flags 2
[  445.188701] 		tree block key (1551 0 0) level 0
[  445.188703] 		tree block backref root 5
[  445.188705] 	item 36 key (8302379008 a8 4096) itemoff 2099 itemsize 51
[  445.188706] 		extent refs 1 gen 383680 flags 2
[  445.188708] 		tree block key (23714 0 0) level 0
[  445.188710] 		tree block backref root 5
[  445.188712] 	item 37 key (8302383104 a8 4096) itemoff 2048 itemsize 51
[  445.188714] 		extent refs 1 gen 383680 flags 2
[  445.188716] 		tree block key (23717 0 0) level 0
[  445.188718] 		tree block backref root 5
[  445.188720] 	item 38 key (8302387200 a8 4096) itemoff 1997 itemsize 51
[  445.188721] 		extent refs 1 gen 383680 flags 2
[  445.188723] 		tree block key (23720 0 0) level 0
[  445.188725] 		tree block backref root 5
[  445.188727] 	item 39 key (8302391296 a8 4096) itemoff 1946 itemsize 51
[  445.188729] 		extent refs 1 gen 383680 flags 2
[  445.188731] 		tree block key (23721 0 0) level 0
[  445.188733] 		tree block backref root 5
[  445.188735] 	item 40 key (8302399488 a8 4096) itemoff 1895 itemsize 51
[  445.188737] 		extent refs 1 gen 383680 flags 2
[  445.188739] 		tree block key (23727 0 0) level 0
[  445.188741] 		tree block backref root 5
[  445.188742] 	item 41 key (8302403584 a8 4096) itemoff 1844 itemsize 51
[  445.188744] 		extent refs 1 gen 383680 flags 2
[  445.188746] 		tree block key (23730 0 0) level 0
[  445.188748] 		tree block backref root 5
[  445.188750] ------------[ cut here ]------------
[  445.188755] WARNING: CPU: 0 PID: 1608 at /home/abuild/rpmbuild/BUILD/kernel-default-3.11.6/linux-3.11/fs/btrfs/extent-tree.c:5702 __btrfs_free_extent+0x664/0xb00 [btrfs]()
[  445.188757] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  445.188778] CPU: 0 PID: 1608 Comm: btrfs-transacti Tainted: G        W    3.11.6-4-default #1
[  445.188780] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  445.188782]  0000000000000009 ffffffff81560e30 0000000000000000 ffffffff8104fb82
[  445.188785]  ffff8802b0f06760 00000001eed89000 0000000000000000 ffff8803f38b9ef0
[  445.188788]  0000000000000000 ffffffffa04528a4 0000000000000000 0000000000000104
[  445.188791] Call Trace:
[  445.188794]  [<ffffffff81004868>] dump_trace+0x78/0x2c0
[  445.188797]  [<ffffffff81004b3f>] show_stack_log_lvl+0x8f/0x170
[  445.188800]  [<ffffffff81005e0c>] show_stack+0x1c/0x50
[  445.188804]  [<ffffffff81560e30>] dump_stack+0x41/0x51
[  445.188807]  [<ffffffff8104fb82>] warn_slowpath_common+0x72/0x90
[  445.188813]  [<ffffffffa04528a4>] __btrfs_free_extent+0x664/0xb00 [btrfs]
[  445.188827]  [<ffffffffa04569e5>] run_clustered_refs+0x765/0xdd0 [btrfs]
[  445.188842]  [<ffffffffa045b540>] btrfs_run_delayed_refs+0xd0/0x520 [btrfs]
[  445.188858]  [<ffffffffa046ae54>] btrfs_commit_transaction+0x44/0x970 [btrfs]
[  445.188878]  [<ffffffffa0462c55>] transaction_kthread+0x175/0x210 [btrfs]
[  445.188892]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  445.188896]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  445.188898] ---[ end trace 37569ae59e05558a ]---
[  445.188901] BTRFS error (device sda2): unable to find ref byte nr 8302137344 parent 0 root 260  owner 0 offset 0
[  445.188909] BTRFS info (device sda2): leaf 4628623360 total ptrs 41 free space 870
[  445.188911] 	item 0 key (8298213376 a8 4096) itemoff 3944 itemsize 51
[  445.188913] 		extent refs 1 gen 67227 flags 2
[  445.188915] 		tree block key (392602 0 0) level 0
[  445.188917] 		tree block backref root 5
[  445.188919] 	item 1 key (8298221568 a8 4096) itemoff 3893 itemsize 51
[  445.188921] 		extent refs 1 gen 67227 flags 2
[  445.188922] 		tree block key (392603 0 0) level 0
[  445.188924] 		tree block backref root 5
[  445.188926] 	item 2 key (8298299392 a8 4096) itemoff 3842 itemsize 51
[  445.188928] 		extent refs 1 gen 67227 flags 2
[  445.188930] 		tree block key (392610 0 0) level 0
[  445.188932] 		tree block backref root 5
[  445.188934] 	item 3 key (8298561536 a8 4096) itemoff 3791 itemsize 51
[  445.188936] 		extent refs 1 gen 67227 flags 2
[  445.188938] 		tree block key (392642 0 0) level 0
[  445.188939] 		tree block backref root 5
[  445.188941] 	item 4 key (8298721280 a8 4096) itemoff 3740 itemsize 51
[  445.188943] 		extent refs 1 gen 67227 flags 2
[  445.188945] 		tree block key (392675 0 0) level 0
[  445.188947] 		tree block backref root 5
[  445.188949] 	item 5 key (8298901504 a8 4096) itemoff 3689 itemsize 51
[  445.188951] 		extent refs 1 gen 184220 flags 2
[  445.188953] 		tree block key (218039 0 0) level 2
[  445.188955] 		tree block backref root 2645
[  445.188957] 	item 6 key (8298991616 a8 4096) itemoff 3638 itemsize 51
[  445.188959] 		extent refs 1 gen 67227 flags 2
[  445.188960] 		tree block key (392518 0 0) level 0
[  445.188962] 		tree block backref root 5
[  445.188964] 	item 7 key (8299089920 a8 4096) itemoff 3587 itemsize 51
[  445.188966] 		extent refs 1 gen 67227 flags 2
[  445.188968] 		tree block key (392518 0 0) level 0
[  445.188970] 		tree block backref root 5
[  445.188972] 	item 8 key (8299122688 a8 4096) itemoff 3536 itemsize 51
[  445.188974] 		extent refs 1 gen 67227 flags 2
[  445.188976] 		tree block key (392768 0 0) level 0
[  445.188978] 		tree block backref root 5
[  445.188980] 	item 9 key (8299163648 a8 4096) itemoff 3485 itemsize 51
[  445.188981] 		extent refs 1 gen 67227 flags 2
[  445.188983] 		tree block key (392773 0 0) level 0
[  445.188985] 		tree block backref root 5
[  445.188987] 	item 10 key (8299175936 a8 4096) itemoff 3434 itemsize 51
[  445.188989] 		extent refs 1 gen 67227 flags 2
[  445.188991] 		tree block key (392518 0 0) level 0
[  445.188992] 		tree block backref root 5
[  445.188994] 	item 11 key (8299294720 a8 4096) itemoff 3383 itemsize 51
[  445.188996] 		extent refs 1 gen 67227 flags 2
[  445.188998] 		tree block key (392773 0 0) level 0
[  445.189000] 		tree block backref root 5
[  445.189002] 	item 12 key (8299339776 a8 4096) itemoff 3332 itemsize 51
[  445.189004] 		extent refs 1 gen 67227 flags 2
[  445.189006] 		tree block key (392708 0 0) level 0
[  445.189008] 		tree block backref root 5
[  445.189010] 	item 13 key (8299372544 a8 4096) itemoff 3281 itemsize 51
[  445.189011] 		extent refs 1 gen 67227 flags 2
[  445.189013] 		tree block key (392708 0 0) level 0
[  445.189015] 		tree block backref root 5
[  445.189017] 	item 14 key (8299393024 a8 4096) itemoff 3230 itemsize 51
[  445.189019] 		extent refs 1 gen 184220 flags 2
[  445.189021] 		tree block key (292243 0 0) level 2
[  445.189023] 		tree block backref root 2645
[  445.189025] 	item 15 key (8299442176 a8 4096) itemoff 3179 itemsize 51
[  445.189027] 		extent refs 1 gen 67227 flags 2
[  445.189029] 		tree block key (392723 0 0) level 0
[  445.189030] 		tree block backref root 5
[  445.189032] 	item 16 key (8299462656 a8 4096) itemoff 3128 itemsize 51
[  445.189034] 		extent refs 1 gen 67227 flags 2
[  445.189036] 		tree block key (392737 0 0) level 0
[  445.189038] 		tree block backref root 5
[  445.189040] 	item 17 key (8299470848 a8 4096) itemoff 3077 itemsize 51
[  445.189042] 		extent refs 1 gen 67227 flags 2
[  445.189044] 		tree block key (392738 0 0) level 0
[  445.189045] 		tree block backref root 5
[  445.189047] 	item 18 key (8299503616 a8 4096) itemoff 3026 itemsize 51
[  445.189049] 		extent refs 1 gen 67227 flags 2
[  445.189051] 		tree block key (392739 0 0) level 0
[  445.189053] 		tree block backref root 5
[  445.189055] 	item 19 key (8299536384 a8 4096) itemoff 2975 itemsize 51
[  445.189057] 		extent refs 1 gen 67227 flags 2
[  445.189059] 		tree block key (392756 0 0) level 0
[  445.189061] 		tree block backref root 5
[  445.189063] 	item 20 key (8299548672 a8 4096) itemoff 2924 itemsize 51
[  445.189064] 		extent refs 1 gen 67227 flags 2
[  445.189066] 		tree block key (392757 0 0) level 0
[  445.189068] 		tree block backref root 5
[  445.189070] 	item 21 key (8299569152 a8 4096) itemoff 2873 itemsize 51
[  445.189072] 		extent refs 1 gen 67227 flags 2
[  445.189074] 		tree block key (392770 0 0) level 0
[  445.189075] 		tree block backref root 5
[  445.189077] 	item 22 key (8299593728 a8 4096) itemoff 2822 itemsize 51
[  445.189079] 		extent refs 1 gen 67227 flags 2
[  445.189081] 		tree block key (392770 0 0) level 0
[  445.189083] 		tree block backref root 5
[  445.189085] 	item 23 key (8299601920 a8 4096) itemoff 2771 itemsize 51
[  445.189087] 		extent refs 1 gen 67227 flags 2
[  445.189089] 		tree block key (392773 0 0) level 0
[  445.189091] 		tree block backref root 5
[  445.189093] 	item 24 key (8299708416 a8 4096) itemoff 2711 itemsize 60
[  445.189095] 		extent refs 2 gen 179984 flags 2
[  445.189097] 		tree block key (453531 0 0) level 0
[  445.189098] 		tree block backref root 2596
[  445.189100] 		tree block backref root 2594
[  445.189102] 	item 25 key (8299757568 a8 4096) itemoff 2660 itemsize 51
[  445.189104] 		extent refs 1 gen 184220 flags 2
[  445.189106] 		tree block key (310850 0 0) level 2
[  445.189108] 		tree block backref root 2645
[  445.189110] 	item 26 key (8300552192 a8 4096) itemoff 2609 itemsize 51
[  445.189112] 		extent refs 1 gen 67227 flags 2
[  445.189114] 		tree block key (392788 0 0) level 0
[  445.189115] 		tree block backref root 5
[  445.189118] 	item 27 key (8300691456 a8 4096) itemoff 2558 itemsize 51
[  445.189120] 		extent refs 1 gen 67227 flags 2
[  445.189121] 		tree block key (392790 0 0) level 0
[  445.189123] 		tree block backref root 5
[  445.189125] 	item 28 key (8300744704 a8 4096) itemoff 2507 itemsize 51
[  445.189127] 		extent refs 1 gen 67227 flags 2
[  445.189129] 		tree block key (392792 0 0) level 0
[  445.189131] 		tree block backref root 5
[  445.189133] 	item 29 key (8300892160 a8 4096) itemoff 2456 itemsize 51
[  445.189135] 		extent refs 1 gen 67227 flags 2
[  445.189136] 		tree block key (392793 0 0) level 0
[  445.189138] 		tree block backref root 5
[  445.189140] 	item 30 key (8301015040 a8 4096) itemoff 2405 itemsize 51
[  445.189142] 		extent refs 1 gen 179994 flags 2
[  445.189144] 		tree block key (269 0 0) level 0
[  445.189146] 		tree block backref root 261
[  445.189147] 	item 31 key (8301625344 a8 4096) itemoff 2354 itemsize 51
[  445.189149] 		extent refs 1 gen 383680 flags 2
[  445.189151] 		tree block key (1731 0 0) level 0
[  445.189153] 		shared block backref parent 1244377088
[  445.189155] 	item 32 key (8302137344 a8 4096) itemoff 2303 itemsize 51
[  445.189157] 		extent refs 1 gen 383680 flags 2
[  445.189159] 		tree block key (5220 0 0) level 0
[  445.189161] 		shared block backref parent 1244377088
[  445.189163] 	item 33 key (8302346240 a8 4096) itemoff 2252 itemsize 51
[  445.189165] 		extent refs 1 gen 383680 flags 2
[  445.189166] 		tree block key (1469 0 0) level 1
[  445.189168] 		tree block backref root 5
[  445.189170] 	item 34 key (8302350336 a8 4096) itemoff 2201 itemsize 51
[  445.189172] 		extent refs 1 gen 383680 flags 2
[  445.189174] 		tree block key (1551 0 0) level 0
[  445.189176] 		tree block backref root 5
[  445.189177] 	item 35 key (8302379008 a8 4096) itemoff 2150 itemsize 51
[  445.189179] 		extent refs 1 gen 383680 flags 2
[  445.189181] 		tree block key (23714 0 0) level 0
[  445.189183] 		tree block backref root 5
[  445.189185] 	item 36 key (8302383104 a8 4096) itemoff 2099 itemsize 51
[  445.189187] 		extent refs 1 gen 383680 flags 2
[  445.189189] 		tree block key (23717 0 0) level 0
[  445.189191] 		tree block backref root 5
[  445.189192] 	item 37 key (8302387200 a8 4096) itemoff 2048 itemsize 51
[  445.189194] 		extent refs 1 gen 383680 flags 2
[  445.189196] 		tree block key (23720 0 0) level 0
[  445.189198] 		tree block backref root 5
[  445.189200] 	item 38 key (8302391296 a8 4096) itemoff 1997 itemsize 51
[  445.189202] 		extent refs 1 gen 383680 flags 2
[  445.189204] 		tree block key (23721 0 0) level 0
[  445.189206] 		tree block backref root 5
[  445.189208] 	item 39 key (8302399488 a8 4096) itemoff 1946 itemsize 51
[  445.189210] 		extent refs 1 gen 383680 flags 2
[  445.189212] 		tree block key (23727 0 0) level 0
[  445.189213] 		tree block backref root 5
[  445.189215] 	item 40 key (8302403584 a8 4096) itemoff 1895 itemsize 51
[  445.189217] 		extent refs 1 gen 383680 flags 2
[  445.189219] 		tree block key (23730 0 0) level 0
[  445.189221] 		tree block backref root 5
[  445.189223] ------------[ cut here ]------------
[  445.189228] WARNING: CPU: 0 PID: 1608 at /home/abuild/rpmbuild/BUILD/kernel-default-3.11.6/linux-3.11/fs/btrfs/extent-tree.c:5702 __btrfs_free_extent+0x664/0xb00 [btrfs]()
[  445.189230] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  445.189251] CPU: 0 PID: 1608 Comm: btrfs-transacti Tainted: G        W    3.11.6-4-default #1
[  445.189253] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  445.189255]  0000000000000009 ffffffff81560e30 0000000000000000 ffffffff8104fb82
[  445.189257]  ffff8802b0f06760 00000001eed90000 0000000000000000 ffff8803f38b9ef0
[  445.189260]  0000000000000000 ffffffffa04528a4 0000000000000000 0000000000000104
[  445.189263] Call Trace:
[  445.189266]  [<ffffffff81004868>] dump_trace+0x78/0x2c0
[  445.189270]  [<ffffffff81004b3f>] show_stack_log_lvl+0x8f/0x170
[  445.189272]  [<ffffffff81005e0c>] show_stack+0x1c/0x50
[  445.189276]  [<ffffffff81560e30>] dump_stack+0x41/0x51
[  445.189279]  [<ffffffff8104fb82>] warn_slowpath_common+0x72/0x90
[  445.189285]  [<ffffffffa04528a4>] __btrfs_free_extent+0x664/0xb00 [btrfs]
[  445.189299]  [<ffffffffa04569e5>] run_clustered_refs+0x765/0xdd0 [btrfs]
[  445.189314]  [<ffffffffa045b540>] btrfs_run_delayed_refs+0xd0/0x520 [btrfs]
[  445.189330]  [<ffffffffa046ae54>] btrfs_commit_transaction+0x44/0x970 [btrfs]
[  445.189350]  [<ffffffffa0462c55>] transaction_kthread+0x175/0x210 [btrfs]
[  445.189365]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  445.189368]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  445.189371] ---[ end trace 37569ae59e05558b ]---
[  445.189373] BTRFS error (device sda2): unable to find ref byte nr 8302166016 parent 0 root 260  owner 0 offset 0
[  445.189383] BTRFS info (device sda2): leaf 4628623360 total ptrs 40 free space 946
[  445.189385] 	item 0 key (8298213376 a8 4096) itemoff 3944 itemsize 51
[  445.189387] 		extent refs 1 gen 67227 flags 2
[  445.189389] 		tree block key (392602 0 0) level 0
[  445.189391] 		tree block backref root 5
[  445.189393] 	item 1 key (8298221568 a8 4096) itemoff 3893 itemsize 51
[  445.189395] 		extent refs 1 gen 67227 flags 2
[  445.189396] 		tree block key (392603 0 0) level 0
[  445.189398] 		tree block backref root 5
[  445.189400] 	item 2 key (8298299392 a8 4096) itemoff 3842 itemsize 51
[  445.189402] 		extent refs 1 gen 67227 flags 2
[  445.189404] 		tree block key (392610 0 0) level 0
[  445.189406] 		tree block backref root 5
[  445.189408] 	item 3 key (8298561536 a8 4096) itemoff 3791 itemsize 51
[  445.189410] 		extent refs 1 gen 67227 flags 2
[  445.189411] 		tree block key (392642 0 0) level 0
[  445.189413] 		tree block backref root 5
[  445.189415] 	item 4 key (8298721280 a8 4096) itemoff 3740 itemsize 51
[  445.189417] 		extent refs 1 gen 67227 flags 2
[  445.189419] 		tree block key (392675 0 0) level 0
[  445.189421] 		tree block backref root 5
[  445.189423] 	item 5 key (8298901504 a8 4096) itemoff 3689 itemsize 51
[  445.189425] 		extent refs 1 gen 184220 flags 2
[  445.189427] 		tree block key (218039 0 0) level 2
[  445.189428] 		tree block backref root 2645
[  445.189430] 	item 6 key (8298991616 a8 4096) itemoff 3638 itemsize 51
[  445.189432] 		extent refs 1 gen 67227 flags 2
[  445.189434] 		tree block key (392518 0 0) level 0
[  445.189436] 		tree block backref root 5
[  445.189438] 	item 7 key (8299089920 a8 4096) itemoff 3587 itemsize 51
[  445.189439] 		extent refs 1 gen 67227 flags 2
[  445.189441] 		tree block key (392518 0 0) level 0
[  445.189443] 		tree block backref root 5
[  445.189445] 	item 8 key (8299122688 a8 4096) itemoff 3536 itemsize 51
[  445.189447] 		extent refs 1 gen 67227 flags 2
[  445.189449] 		tree block key (392768 0 0) level 0
[  445.189451] 		tree block backref root 5
[  445.189452] 	item 9 key (8299163648 a8 4096) itemoff 3485 itemsize 51
[  445.189454] 		extent refs 1 gen 67227 flags 2
[  445.189456] 		tree block key (392773 0 0) level 0
[  445.189458] 		tree block backref root 5
[  445.189460] 	item 10 key (8299175936 a8 4096) itemoff 3434 itemsize 51
[  445.189462] 		extent refs 1 gen 67227 flags 2
[  445.189464] 		tree block key (392518 0 0) level 0
[  445.189465] 		tree block backref root 5
[  445.189467] 	item 11 key (8299294720 a8 4096) itemoff 3383 itemsize 51
[  445.189469] 		extent refs 1 gen 67227 flags 2
[  445.189471] 		tree block key (392773 0 0) level 0
[  445.189473] 		tree block backref root 5
[  445.189475] 	item 12 key (8299339776 a8 4096) itemoff 3332 itemsize 51
[  445.189477] 		extent refs 1 gen 67227 flags 2
[  445.189479] 		tree block key (392708 0 0) level 0
[  445.189480] 		tree block backref root 5
[  445.189482] 	item 13 key (8299372544 a8 4096) itemoff 3281 itemsize 51
[  445.189484] 		extent refs 1 gen 67227 flags 2
[  445.189486] 		tree block key (392708 0 0) level 0
[  445.189488] 		tree block backref root 5
[  445.189490] 	item 14 key (8299393024 a8 4096) itemoff 3230 itemsize 51
[  445.189492] 		extent refs 1 gen 184220 flags 2
[  445.189493] 		tree block key (292243 0 0) level 2
[  445.189495] 		tree block backref root 2645
[  445.189497] 	item 15 key (8299442176 a8 4096) itemoff 3179 itemsize 51
[  445.189499] 		extent refs 1 gen 67227 flags 2
[  445.189501] 		tree block key (392723 0 0) level 0
[  445.189503] 		tree block backref root 5
[  445.189504] 	item 16 key (8299462656 a8 4096) itemoff 3128 itemsize 51
[  445.189506] 		extent refs 1 gen 67227 flags 2
[  445.189508] 		tree block key (392737 0 0) level 0
[  445.189510] 		tree block backref root 5
[  445.189512] 	item 17 key (8299470848 a8 4096) itemoff 3077 itemsize 51
[  445.189514] 		extent refs 1 gen 67227 flags 2
[  445.189516] 		tree block key (392738 0 0) level 0
[  445.189517] 		tree block backref root 5
[  445.189519] 	item 18 key (8299503616 a8 4096) itemoff 3026 itemsize 51
[  445.189521] 		extent refs 1 gen 67227 flags 2
[  445.189523] 		tree block key (392739 0 0) level 0
[  445.189525] 		tree block backref root 5
[  445.189527] 	item 19 key (8299536384 a8 4096) itemoff 2975 itemsize 51
[  445.189529] 		extent refs 1 gen 67227 flags 2
[  445.189530] 		tree block key (392756 0 0) level 0
[  445.189532] 		tree block backref root 5
[  445.189534] 	item 20 key (8299548672 a8 4096) itemoff 2924 itemsize 51
[  445.189536] 		extent refs 1 gen 67227 flags 2
[  445.189538] 		tree block key (392757 0 0) level 0
[  445.189539] 		tree block backref root 5
[  445.189542] 	item 21 key (8299569152 a8 4096) itemoff 2873 itemsize 51
[  445.189544] 		extent refs 1 gen 67227 flags 2
[  445.189545] 		tree block key (392770 0 0) level 0
[  445.189547] 		tree block backref root 5
[  445.189549] 	item 22 key (8299593728 a8 4096) itemoff 2822 itemsize 51
[  445.189551] 		extent refs 1 gen 67227 flags 2
[  445.189553] 		tree block key (392770 0 0) level 0
[  445.189554] 		tree block backref root 5
[  445.189556] 	item 23 key (8299601920 a8 4096) itemoff 2771 itemsize 51
[  445.189558] 		extent refs 1 gen 67227 flags 2
[  445.189560] 		tree block key (392773 0 0) level 0
[  445.189562] 		tree block backref root 5
[  445.189564] 	item 24 key (8299708416 a8 4096) itemoff 2711 itemsize 60
[  445.189566] 		extent refs 2 gen 179984 flags 2
[  445.189567] 		tree block key (453531 0 0) level 0
[  445.189569] 		tree block backref root 2596
[  445.189571] 		tree block backref root 2594
[  445.189573] 	item 25 key (8299757568 a8 4096) itemoff 2660 itemsize 51
[  445.189575] 		extent refs 1 gen 184220 flags 2
[  445.189577] 		tree block key (310850 0 0) level 2
[  445.189579] 		tree block backref root 2645
[  445.189581] 	item 26 key (8300552192 a8 4096) itemoff 2609 itemsize 51
[  445.189583] 		extent refs 1 gen 67227 flags 2
[  445.189585] 		tree block key (392788 0 0) level 0
[  445.189586] 		tree block backref root 5
[  445.189589] 	item 27 key (8300691456 a8 4096) itemoff 2558 itemsize 51
[  445.189591] 		extent refs 1 gen 67227 flags 2
[  445.189592] 		tree block key (392790 0 0) level 0
[  445.189594] 		tree block backref root 5
[  445.189596] 	item 28 key (8300744704 a8 4096) itemoff 2507 itemsize 51
[  445.189598] 		extent refs 1 gen 67227 flags 2
[  445.189600] 		tree block key (392792 0 0) level 0
[  445.189602] 		tree block backref root 5
[  445.189603] 	item 29 key (8300892160 a8 4096) itemoff 2456 itemsize 51
[  445.189605] 		extent refs 1 gen 67227 flags 2
[  445.189607] 		tree block key (392793 0 0) level 0
[  445.189609] 		tree block backref root 5
[  445.189611] 	item 30 key (8301015040 a8 4096) itemoff 2405 itemsize 51
[  445.189613] 		extent refs 1 gen 179994 flags 2
[  445.189615] 		tree block key (269 0 0) level 0
[  445.189617] 		tree block backref root 261
[  445.189619] 	item 31 key (8301625344 a8 4096) itemoff 2354 itemsize 51
[  445.189621] 		extent refs 1 gen 383680 flags 2
[  445.189623] 		tree block key (1731 0 0) level 0
[  445.189624] 		shared block backref parent 1244377088
[  445.189626] 	item 32 key (8302137344 a8 4096) itemoff 2303 itemsize 51
[  445.189628] 		extent refs 1 gen 383680 flags 2
[  445.189630] 		tree block key (5220 0 0) level 0
[  445.189632] 		shared block backref parent 1244377088
[  445.189634] 	item 33 key (8302350336 a8 4096) itemoff 2252 itemsize 51
[  445.189636] 		extent refs 1 gen 383680 flags 2
[  445.189638] 		tree block key (1551 0 0) level 0
[  445.189639] 		tree block backref root 5
[  445.189641] 	item 34 key (8302379008 a8 4096) itemoff 2201 itemsize 51
[  445.189643] 		extent refs 1 gen 383680 flags 2
[  445.189645] 		tree block key (23714 0 0) level 0
[  445.189647] 		tree block backref root 5
[  445.189649] 	item 35 key (8302383104 a8 4096) itemoff 2150 itemsize 51
[  445.189651] 		extent refs 1 gen 383680 flags 2
[  445.189652] 		tree block key (23717 0 0) level 0
[  445.189654] 		tree block backref root 5
[  445.189656] 	item 36 key (8302387200 a8 4096) itemoff 2099 itemsize 51
[  445.189658] 		extent refs 1 gen 383680 flags 2
[  445.189660] 		tree block key (23720 0 0) level 0
[  445.189662] 		tree block backref root 5
[  445.189663] 	item 37 key (8302391296 a8 4096) itemoff 2048 itemsize 51
[  445.189665] 		extent refs 1 gen 383680 flags 2
[  445.189667] 		tree block key (23721 0 0) level 0
[  445.189669] 		tree block backref root 5
[  445.189671] 	item 38 key (8302399488 a8 4096) itemoff 1997 itemsize 51
[  445.189673] 		extent refs 1 gen 383680 flags 2
[  445.189675] 		tree block key (23727 0 0) level 0
[  445.189676] 		tree block backref root 5
[  445.189678] 	item 39 key (8302403584 a8 4096) itemoff 1946 itemsize 51
[  445.189680] 		extent refs 1 gen 383680 flags 2
[  445.189682] 		tree block key (23730 0 0) level 0
[  445.189684] 		tree block backref root 5
[  445.189686] ------------[ cut here ]------------
[  445.189691] WARNING: CPU: 0 PID: 1608 at /home/abuild/rpmbuild/BUILD/kernel-default-3.11.6/linux-3.11/fs/btrfs/extent-tree.c:5702 __btrfs_free_extent+0x664/0xb00 [btrfs]()
[  445.189693] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  445.189715] CPU: 0 PID: 1608 Comm: btrfs-transacti Tainted: G        W    3.11.6-4-default #1
[  445.189717] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  445.189719]  0000000000000009 ffffffff81560e30 0000000000000000 ffffffff8104fb82
[  445.189722]  ffff8802b0f06760 00000001eedbc000 0000000000000000 ffff8803f38b9ef0
[  445.189724]  0000000000000000 ffffffffa04528a4 0000000000000000 0000000000000005
[  445.189728] Call Trace:
[  445.189731]  [<ffffffff81004868>] dump_trace+0x78/0x2c0
[  445.189735]  [<ffffffff81004b3f>] show_stack_log_lvl+0x8f/0x170
[  445.189737]  [<ffffffff81005e0c>] show_stack+0x1c/0x50
[  445.189741]  [<ffffffff81560e30>] dump_stack+0x41/0x51
[  445.189744]  [<ffffffff8104fb82>] warn_slowpath_common+0x72/0x90
[  445.189750]  [<ffffffffa04528a4>] __btrfs_free_extent+0x664/0xb00 [btrfs]
[  445.189764]  [<ffffffffa04569e5>] run_clustered_refs+0x765/0xdd0 [btrfs]
[  445.189779]  [<ffffffffa045b540>] btrfs_run_delayed_refs+0xd0/0x520 [btrfs]
[  445.189794]  [<ffffffffa046ae54>] btrfs_commit_transaction+0x44/0x970 [btrfs]
[  445.189815]  [<ffffffffa0462c55>] transaction_kthread+0x175/0x210 [btrfs]
[  445.189829]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  445.189833]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  445.189835] ---[ end trace 37569ae59e05558c ]---
[  445.189838] BTRFS error (device sda2): unable to find ref byte nr 8302346240 parent 0 root 5  owner 1 offset 0
[  445.189844] BTRFS info (device sda2): leaf 4628623360 total ptrs 39 free space 1022
[  445.189846] 	item 0 key (8298213376 a8 4096) itemoff 3944 itemsize 51
[  445.189848] 		extent refs 1 gen 67227 flags 2
[  445.189850] 		tree block key (392602 0 0) level 0
[  445.189852] 		tree block backref root 5
[  445.189854] 	item 1 key (8298221568 a8 4096) itemoff 3893 itemsize 51
[  445.189856] 		extent refs 1 gen 67227 flags 2
[  445.189858] 		tree block key (392603 0 0) level 0
[  445.189859] 		tree block backref root 5
[  445.189861] 	item 2 key (8298299392 a8 4096) itemoff 3842 itemsize 51
[  445.189863] 		extent refs 1 gen 67227 flags 2
[  445.189866] 		tree block key (392610 0 0) level 0
[  445.189867] 		tree block backref root 5
[  445.189869] 	item 3 key (8298561536 a8 4096) itemoff 3791 itemsize 51
[  445.189871] 		extent refs 1 gen 67227 flags 2
[  445.189873] 		tree block key (392642 0 0) level 0
[  445.189875] 		tree block backref root 5
[  445.189877] 	item 4 key (8298721280 a8 4096) itemoff 3740 itemsize 51
[  445.189879] 		extent refs 1 gen 67227 flags 2
[  445.189881] 		tree block key (392675 0 0) level 0
[  445.189882] 		tree block backref root 5
[  445.189884] 	item 5 key (8298901504 a8 4096) itemoff 3689 itemsize 51
[  445.189886] 		extent refs 1 gen 184220 flags 2
[  445.189888] 		tree block key (218039 0 0) level 2
[  445.189890] 		tree block backref root 2645
[  445.189892] 	item 6 key (8298991616 a8 4096) itemoff 3638 itemsize 51
[  445.189893] 		extent refs 1 gen 67227 flags 2
[  445.189895] 		tree block key (392518 0 0) level 0
[  445.189897] 		tree block backref root 5
[  445.189899] 	item 7 key (8299089920 a8 4096) itemoff 3587 itemsize 51
[  445.189901] 		extent refs 1 gen 67227 flags 2
[  445.189903] 		tree block key (392518 0 0) level 0
[  445.189905] 		tree block backref root 5
[  445.189907] 	item 8 key (8299122688 a8 4096) itemoff 3536 itemsize 51
[  445.189909] 		extent refs 1 gen 67227 flags 2
[  445.189910] 		tree block key (392768 0 0) level 0
[  445.189912] 		tree block backref root 5
[  445.189914] 	item 9 key (8299163648 a8 4096) itemoff 3485 itemsize 51
[  445.189916] 		extent refs 1 gen 67227 flags 2
[  445.189918] 		tree block key (392773 0 0) level 0
[  445.189920] 		tree block backref root 5
[  445.189922] 	item 10 key (8299175936 a8 4096) itemoff 3434 itemsize 51
[  445.189924] 		extent refs 1 gen 67227 flags 2
[  445.189926] 		tree block key (392518 0 0) level 0
[  445.189927] 		tree block backref root 5
[  445.189929] 	item 11 key (8299294720 a8 4096) itemoff 3383 itemsize 51
[  445.189931] 		extent refs 1 gen 67227 flags 2
[  445.189933] 		tree block key (392773 0 0) level 0
[  445.189935] 		tree block backref root 5
[  445.189937] 	item 12 key (8299339776 a8 4096) itemoff 3332 itemsize 51
[  445.189939] 		extent refs 1 gen 67227 flags 2
[  445.189941] 		tree block key (392708 0 0) level 0
[  445.189942] 		tree block backref root 5
[  445.189944] 	item 13 key (8299372544 a8 4096) itemoff 3281 itemsize 51
[  445.189946] 		extent refs 1 gen 67227 flags 2
[  445.189948] 		tree block key (392708 0 0) level 0
[  445.189950] 		tree block backref root 5
[  445.189952] 	item 14 key (8299393024 a8 4096) itemoff 3230 itemsize 51
[  445.189953] 		extent refs 1 gen 184220 flags 2
[  445.189955] 		tree block key (292243 0 0) level 2
[  445.189957] 		tree block backref root 2645
[  445.189959] 	item 15 key (8299442176 a8 4096) itemoff 3179 itemsize 51
[  445.189961] 		extent refs 1 gen 67227 flags 2
[  445.189963] 		tree block key (392723 0 0) level 0
[  445.189964] 		tree block backref root 5
[  445.189966] 	item 16 key (8299462656 a8 4096) itemoff 3128 itemsize 51
[  445.189968] 		extent refs 1 gen 67227 flags 2
[  445.189970] 		tree block key (392737 0 0) level 0
[  445.189972] 		tree block backref root 5
[  445.189974] 	item 17 key (8299470848 a8 4096) itemoff 3077 itemsize 51
[  445.189975] 		extent refs 1 gen 67227 flags 2
[  445.189977] 		tree block key (392738 0 0) level 0
[  445.189979] 		tree block backref root 5
[  445.189981] 	item 18 key (8299503616 a8 4096) itemoff 3026 itemsize 51
[  445.189983] 		extent refs 1 gen 67227 flags 2
[  445.189985] 		tree block key (392739 0 0) level 0
[  445.189986] 		tree block backref root 5
[  445.189988] 	item 19 key (8299536384 a8 4096) itemoff 2975 itemsize 51
[  445.189990] 		extent refs 1 gen 67227 flags 2
[  445.189992] 		tree block key (392756 0 0) level 0
[  445.189994] 		tree block backref root 5
[  445.189996] 	item 20 key (8299548672 a8 4096) itemoff 2924 itemsize 51
[  445.189998] 		extent refs 1 gen 67227 flags 2
[  445.190000] 		tree block key (392757 0 0) level 0
[  445.190001] 		tree block backref root 5
[  445.190003] 	item 21 key (8299569152 a8 4096) itemoff 2873 itemsize 51
[  445.190005] 		extent refs 1 gen 67227 flags 2
[  445.190007] 		tree block key (392770 0 0) level 0
[  445.190009] 		tree block backref root 5
[  445.190011] 	item 22 key (8299593728 a8 4096) itemoff 2822 itemsize 51
[  445.190013] 		extent refs 1 gen 67227 flags 2
[  445.190015] 		tree block key (392770 0 0) level 0
[  445.190016] 		tree block backref root 5
[  445.190018] 	item 23 key (8299601920 a8 4096) itemoff 2771 itemsize 51
[  445.190020] 		extent refs 1 gen 67227 flags 2
[  445.190022] 		tree block key (392773 0 0) level 0
[  445.190024] 		tree block backref root 5
[  445.190026] 	item 24 key (8299708416 a8 4096) itemoff 2711 itemsize 60
[  445.190028] 		extent refs 2 gen 179984 flags 2
[  445.190030] 		tree block key (453531 0 0) level 0
[  445.190031] 		tree block backref root 2596
[  445.190033] 		tree block backref root 2594
[  445.190035] 	item 25 key (8299757568 a8 4096) itemoff 2660 itemsize 51
[  445.190037] 		extent refs 1 gen 184220 flags 2
[  445.190039] 		tree block key (310850 0 0) level 2
[  445.190041] 		tree block backref root 2645
[  445.190043] 	item 26 key (8300552192 a8 4096) itemoff 2609 itemsize 51
[  445.190044] 		extent refs 1 gen 67227 flags 2
[  445.190046] 		tree block key (392788 0 0) level 0
[  445.190048] 		tree block backref root 5
[  445.190050] 	item 27 key (8300691456 a8 4096) itemoff 2558 itemsize 51
[  445.190052] 		extent refs 1 gen 67227 flags 2
[  445.190054] 		tree block key (392790 0 0) level 0
[  445.190055] 		tree block backref root 5
[  445.190057] 	item 28 key (8300744704 a8 4096) itemoff 2507 itemsize 51
[  445.190059] 		extent refs 1 gen 67227 flags 2
[  445.190061] 		tree block key (392792 0 0) level 0
[  445.190063] 		tree block backref root 5
[  445.190065] 	item 29 key (8300892160 a8 4096) itemoff 2456 itemsize 51
[  445.190067] 		extent refs 1 gen 67227 flags 2
[  445.190068] 		tree block key (392793 0 0) level 0
[  445.190070] 		tree block backref root 5
[  445.190072] 	item 30 key (8301015040 a8 4096) itemoff 2405 itemsize 51
[  445.190074] 		extent refs 1 gen 179994 flags 2
[  445.190076] 		tree block key (269 0 0) level 0
[  445.190077] 		tree block backref root 261
[  445.190079] 	item 31 key (8301625344 a8 4096) itemoff 2354 itemsize 51
[  445.190081] 		extent refs 1 gen 383680 flags 2
[  445.190083] 		tree block key (1731 0 0) level 0
[  445.190085] 		shared block backref parent 1244377088
[  445.190087] 	item 32 key (8302137344 a8 4096) itemoff 2303 itemsize 51
[  445.190089] 		extent refs 1 gen 383680 flags 2
[  445.190091] 		tree block key (5220 0 0) level 0
[  445.190093] 		shared block backref parent 1244377088
[  445.190095] 	item 33 key (8302379008 a8 4096) itemoff 2252 itemsize 51
[  445.190097] 		extent refs 1 gen 383680 flags 2
[  445.190099] 		tree block key (23714 0 0) level 0
[  445.190100] 		tree block backref root 5
[  445.190102] 	item 34 key (8302383104 a8 4096) itemoff 2201 itemsize 51
[  445.190104] 		extent refs 1 gen 383680 flags 2
[  445.190106] 		tree block key (23717 0 0) level 0
[  445.190108] 		tree block backref root 5
[  445.190110] 	item 35 key (8302387200 a8 4096) itemoff 2150 itemsize 51
[  445.190112] 		extent refs 1 gen 383680 flags 2
[  445.190114] 		tree block key (23720 0 0) level 0
[  445.190115] 		tree block backref root 5
[  445.190117] 	item 36 key (8302391296 a8 4096) itemoff 2099 itemsize 51
[  445.190119] 		extent refs 1 gen 383680 flags 2
[  445.190121] 		tree block key (23721 0 0) level 0
[  445.190122] 		tree block backref root 5
[  445.190124] 	item 37 key (8302399488 a8 4096) itemoff 2048 itemsize 51
[  445.190127] 		extent refs 1 gen 383680 flags 2
[  445.190129] 		tree block key (23727 0 0) level 0
[  445.190130] 		tree block backref root 5
[  445.190132] 	item 38 key (8302403584 a8 4096) itemoff 1997 itemsize 51
[  445.190134] 		extent refs 1 gen 383680 flags 2
[  445.190136] 		tree block key (23730 0 0) level 0
[  445.190138] 		tree block backref root 5
[  445.190139] ------------[ cut here ]------------
[  445.190145] WARNING: CPU: 0 PID: 1608 at /home/abuild/rpmbuild/BUILD/kernel-default-3.11.6/linux-3.11/fs/btrfs/extent-tree.c:5702 __btrfs_free_extent+0x664/0xb00 [btrfs]()
[  445.190147] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  445.190167] CPU: 0 PID: 1608 Comm: btrfs-transacti Tainted: G        W    3.11.6-4-default #1
[  445.190169] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  445.190171]  0000000000000009 ffffffff81560e30 0000000000000000 ffffffff8104fb82
[  445.190174]  ffff8802b0f06760 00000001eedbd000 0000000000000000 ffff8803f38b9ef0
[  445.190177]  0000000000000000 ffffffffa04528a4 0000000000000000 0000000000000005
[  445.190180] Call Trace:
[  445.190183]  [<ffffffff81004868>] dump_trace+0x78/0x2c0
[  445.190186]  [<ffffffff81004b3f>] show_stack_log_lvl+0x8f/0x170
[  445.190189]  [<ffffffff81005e0c>] show_stack+0x1c/0x50
[  445.190193]  [<ffffffff81560e30>] dump_stack+0x41/0x51
[  445.190196]  [<ffffffff8104fb82>] warn_slowpath_common+0x72/0x90
[  445.190201]  [<ffffffffa04528a4>] __btrfs_free_extent+0x664/0xb00 [btrfs]
[  445.190215]  [<ffffffffa04569e5>] run_clustered_refs+0x765/0xdd0 [btrfs]
[  445.190230]  [<ffffffffa045b540>] btrfs_run_delayed_refs+0xd0/0x520 [btrfs]
[  445.190246]  [<ffffffffa046ae54>] btrfs_commit_transaction+0x44/0x970 [btrfs]
[  445.190266]  [<ffffffffa0462c55>] transaction_kthread+0x175/0x210 [btrfs]
[  445.190281]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  445.190284]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  445.190287] ---[ end trace 37569ae59e05558d ]---
[  445.190289] BTRFS error (device sda2): unable to find ref byte nr 8302350336 parent 0 root 5  owner 0 offset 0
[  445.190295] BTRFS info (device sda2): leaf 4628623360 total ptrs 38 free space 1098
[  445.190298] 	item 0 key (8298213376 a8 4096) itemoff 3944 itemsize 51
[  445.190300] 		extent refs 1 gen 67227 flags 2
[  445.190301] 		tree block key (392602 0 0) level 0
[  445.190303] 		tree block backref root 5
[  445.190305] 	item 1 key (8298221568 a8 4096) itemoff 3893 itemsize 51
[  445.190307] 		extent refs 1 gen 67227 flags 2
[  445.190309] 		tree block key (392603 0 0) level 0
[  445.190311] 		tree block backref root 5
[  445.190313] 	item 2 key (8298299392 a8 4096) itemoff 3842 itemsize 51
[  445.190315] 		extent refs 1 gen 67227 flags 2
[  445.190317] 		tree block key (392610 0 0) level 0
[  445.190318] 		tree block backref root 5
[  445.190320] 	item 3 key (8298561536 a8 4096) itemoff 3791 itemsize 51
[  445.190322] 		extent refs 1 gen 67227 flags 2
[  445.190324] 		tree block key (392642 0 0) level 0
[  445.190326] 		tree block backref root 5
[  445.190328] 	item 4 key (8298721280 a8 4096) itemoff 3740 itemsize 51
[  445.190330] 		extent refs 1 gen 67227 flags 2
[  445.190332] 		tree block key (392675 0 0) level 0
[  445.190334] 		tree block backref root 5
[  445.190335] 	item 5 key (8298901504 a8 4096) itemoff 3689 itemsize 51
[  445.190337] 		extent refs 1 gen 184220 flags 2
[  445.190339] 		tree block key (218039 0 0) level 2
[  445.190341] 		tree block backref root 2645
[  445.190343] 	item 6 key (8298991616 a8 4096) itemoff 3638 itemsize 51
[  445.190345] 		extent refs 1 gen 67227 flags 2
[  445.190347] 		tree block key (392518 0 0) level 0
[  445.190348] 		tree block backref root 5
[  445.190350] 	item 7 key (8299089920 a8 4096) itemoff 3587 itemsize 51
[  445.190352] 		extent refs 1 gen 67227 flags 2
[  445.190354] 		tree block key (392518 0 0) level 0
[  445.190356] 		tree block backref root 5
[  445.190358] 	item 8 key (8299122688 a8 4096) itemoff 3536 itemsize 51
[  445.190360] 		extent refs 1 gen 67227 flags 2
[  445.190362] 		tree block key (392768 0 0) level 0
[  445.190363] 		tree block backref root 5
[  445.190365] 	item 9 key (8299163648 a8 4096) itemoff 3485 itemsize 51
[  445.190367] 		extent refs 1 gen 67227 flags 2
[  445.190369] 		tree block key (392773 0 0) level 0
[  445.190371] 		tree block backref root 5
[  445.190373] 	item 10 key (8299175936 a8 4096) itemoff 3434 itemsize 51
[  445.190375] 		extent refs 1 gen 67227 flags 2
[  445.190377] 		tree block key (392518 0 0) level 0
[  445.190378] 		tree block backref root 5
[  445.190380] 	item 11 key (8299294720 a8 4096) itemoff 3383 itemsize 51
[  445.190382] 		extent refs 1 gen 67227 flags 2
[  445.190384] 		tree block key (392773 0 0) level 0
[  445.190386] 		tree block backref root 5
[  445.190388] 	item 12 key (8299339776 a8 4096) itemoff 3332 itemsize 51
[  445.190390] 		extent refs 1 gen 67227 flags 2
[  445.190392] 		tree block key (392708 0 0) level 0
[  445.190393] 		tree block backref root 5
[  445.190395] 	item 13 key (8299372544 a8 4096) itemoff 3281 itemsize 51
[  445.190397] 		extent refs 1 gen 67227 flags 2
[  445.190399] 		tree block key (392708 0 0) level 0
[  445.190401] 		tree block backref root 5
[  445.190403] 	item 14 key (8299393024 a8 4096) itemoff 3230 itemsize 51
[  445.190405] 		extent refs 1 gen 184220 flags 2
[  445.190407] 		tree block key (292243 0 0) level 2
[  445.190409] 		tree block backref root 2645
[  445.190411] 	item 15 key (8299442176 a8 4096) itemoff 3179 itemsize 51
[  445.190413] 		extent refs 1 gen 67227 flags 2
[  445.190414] 		tree block key (392723 0 0) level 0
[  445.190416] 		tree block backref root 5
[  445.190418] 	item 16 key (8299462656 a8 4096) itemoff 3128 itemsize 51
[  445.190420] 		extent refs 1 gen 67227 flags 2
[  445.190422] 		tree block key (392737 0 0) level 0
[  445.190424] 		tree block backref root 5
[  445.190426] 	item 17 key (8299470848 a8 4096) itemoff 3077 itemsize 51
[  445.190428] 		extent refs 1 gen 67227 flags 2
[  445.190430] 		tree block key (392738 0 0) level 0
[  445.190432] 		tree block backref root 5
[  445.190433] 	item 18 key (8299503616 a8 4096) itemoff 3026 itemsize 51
[  445.190435] 		extent refs 1 gen 67227 flags 2
[  445.190437] 		tree block key (392739 0 0) level 0
[  445.190439] 		tree block backref root 5
[  445.190441] 	item 19 key (8299536384 a8 4096) itemoff 2975 itemsize 51
[  445.190443] 		extent refs 1 gen 67227 flags 2
[  445.190445] 		tree block key (392756 0 0) level 0
[  445.190446] 		tree block backref root 5
[  445.190448] 	item 20 key (8299548672 a8 4096) itemoff 2924 itemsize 51
[  445.190450] 		extent refs 1 gen 67227 flags 2
[  445.190452] 		tree block key (392757 0 0) level 0
[  445.190454] 		tree block backref root 5
[  445.190456] 	item 21 key (8299569152 a8 4096) itemoff 2873 itemsize 51
[  445.190458] 		extent refs 1 gen 67227 flags 2
[  445.190459] 		tree block key (392770 0 0) level 0
[  445.190461] 		tree block backref root 5
[  445.190463] 	item 22 key (8299593728 a8 4096) itemoff 2822 itemsize 51
[  445.190465] 		extent refs 1 gen 67227 flags 2
[  445.190467] 		tree block key (392770 0 0) level 0
[  445.190469] 		tree block backref root 5
[  445.190471] 	item 23 key (8299601920 a8 4096) itemoff 2771 itemsize 51
[  445.190472] 		extent refs 1 gen 67227 flags 2
[  445.190474] 		tree block key (392773 0 0) level 0
[  445.190476] 		tree block backref root 5
[  445.190478] 	item 24 key (8299708416 a8 4096) itemoff 2711 itemsize 60
[  445.190480] 		extent refs 2 gen 179984 flags 2
[  445.190482] 		tree block key (453531 0 0) level 0
[  445.190484] 		tree block backref root 2596
[  445.190486] 		tree block backref root 2594
[  445.190487] 	item 25 key (8299757568 a8 4096) itemoff 2660 itemsize 51
[  445.190489] 		extent refs 1 gen 184220 flags 2
[  445.190491] 		tree block key (310850 0 0) level 2
[  445.190493] 		tree block backref root 2645
[  445.190495] 	item 26 key (8300552192 a8 4096) itemoff 2609 itemsize 51
[  445.190497] 		extent refs 1 gen 67227 flags 2
[  445.190499] 		tree block key (392788 0 0) level 0
[  445.190501] 		tree block backref root 5
[  445.190503] 	item 27 key (8300691456 a8 4096) itemoff 2558 itemsize 51
[  445.190505] 		extent refs 1 gen 67227 flags 2
[  445.190506] 		tree block key (392790 0 0) level 0
[  445.190508] 		tree block backref root 5
[  445.190510] 	item 28 key (8300744704 a8 4096) itemoff 2507 itemsize 51
[  445.190512] 		extent refs 1 gen 67227 flags 2
[  445.190514] 		tree block key (392792 0 0) level 0
[  445.190516] 		tree block backref root 5
[  445.190518] 	item 29 key (8300892160 a8 4096) itemoff 2456 itemsize 51
[  445.190520] 		extent refs 1 gen 67227 flags 2
[  445.190521] 		tree block key (392793 0 0) level 0
[  445.190523] 		tree block backref root 5
[  445.190525] 	item 30 key (8301015040 a8 4096) itemoff 2405 itemsize 51
[  445.190527] 		extent refs 1 gen 179994 flags 2
[  445.190529] 		tree block key (269 0 0) level 0
[  445.190531] 		tree block backref root 261
[  445.190533] 	item 31 key (8301625344 a8 4096) itemoff 2354 itemsize 51
[  445.190535] 		extent refs 1 gen 383680 flags 2
[  445.190536] 		tree block key (1731 0 0) level 0
[  445.190538] 		shared block backref parent 1244377088
[  445.190540] 	item 32 key (8302137344 a8 4096) itemoff 2303 itemsize 51
[  445.190542] 		extent refs 1 gen 383680 flags 2
[  445.190544] 		tree block key (5220 0 0) level 0
[  445.190546] 		shared block backref parent 1244377088
[  445.190548] 	item 33 key (8302383104 a8 4096) itemoff 2252 itemsize 51
[  445.190550] 		extent refs 1 gen 383680 flags 2
[  445.190552] 		tree block key (23717 0 0) level 0
[  445.190553] 		tree block backref root 5
[  445.190555] 	item 34 key (8302387200 a8 4096) itemoff 2201 itemsize 51
[  445.190557] 		extent refs 1 gen 383680 flags 2
[  445.190559] 		tree block key (23720 0 0) level 0
[  445.190561] 		tree block backref root 5
[  445.190563] 	item 35 key (8302391296 a8 4096) itemoff 2150 itemsize 51
[  445.190565] 		extent refs 1 gen 383680 flags 2
[  445.190567] 		tree block key (23721 0 0) level 0
[  445.190569] 		tree block backref root 5
[  445.190571] 	item 36 key (8302399488 a8 4096) itemoff 2099 itemsize 51
[  445.190573] 		extent refs 1 gen 383680 flags 2
[  445.190574] 		tree block key (23727 0 0) level 0
[  445.190576] 		tree block backref root 5
[  445.190578] 	item 37 key (8302403584 a8 4096) itemoff 2048 itemsize 51
[  445.190580] 		extent refs 1 gen 383680 flags 2
[  445.190582] 		tree block key (23730 0 0) level 0
[  445.190584] 		tree block backref root 5
[  445.190586] ------------[ cut here ]------------
[  445.190591] WARNING: CPU: 0 PID: 1608 at /home/abuild/rpmbuild/BUILD/kernel-default-3.11.6/linux-3.11/fs/btrfs/extent-tree.c:5702 __btrfs_free_extent+0x664/0xb00 [btrfs]()
[  445.190593] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  445.190613] CPU: 0 PID: 1608 Comm: btrfs-transacti Tainted: G        W    3.11.6-4-default #1
[  445.190615] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  445.190617]  0000000000000009 ffffffff81560e30 0000000000000000 ffffffff8104fb82
[  445.190620]  ffff8802b0f06760 00000001eedc4000 0000000000000000 ffff8803f38b9ef0
[  445.190622]  0000000000000000 ffffffffa04528a4 0000000000000000 0000000000000005
[  445.190626] Call Trace:
[  445.190629]  [<ffffffff81004868>] dump_trace+0x78/0x2c0
[  445.190632]  [<ffffffff81004b3f>] show_stack_log_lvl+0x8f/0x170
[  445.190635]  [<ffffffff81005e0c>] show_stack+0x1c/0x50
[  445.190638]  [<ffffffff81560e30>] dump_stack+0x41/0x51
[  445.190642]  [<ffffffff8104fb82>] warn_slowpath_common+0x72/0x90
[  445.190647]  [<ffffffffa04528a4>] __btrfs_free_extent+0x664/0xb00 [btrfs]
[  445.190661]  [<ffffffffa04569e5>] run_clustered_refs+0x765/0xdd0 [btrfs]
[  445.190676]  [<ffffffffa045b540>] btrfs_run_delayed_refs+0xd0/0x520 [btrfs]
[  445.190692]  [<ffffffffa046ae54>] btrfs_commit_transaction+0x44/0x970 [btrfs]
[  445.190712]  [<ffffffffa0462c55>] transaction_kthread+0x175/0x210 [btrfs]
[  445.190727]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  445.190730]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  445.190733] ---[ end trace 37569ae59e05558e ]---
[  445.190735] BTRFS error (device sda2): unable to find ref byte nr 8302379008 parent 0 root 5  owner 0 offset 0
[  445.190741] BTRFS info (device sda2): leaf 4628623360 total ptrs 37 free space 1174
[  445.190743] 	item 0 key (8298213376 a8 4096) itemoff 3944 itemsize 51
[  445.190745] 		extent refs 1 gen 67227 flags 2
[  445.190747] 		tree block key (392602 0 0) level 0
[  445.190748] 		tree block backref root 5
[  445.190750] 	item 1 key (8298221568 a8 4096) itemoff 3893 itemsize 51
[  445.190752] 		extent refs 1 gen 67227 flags 2
[  445.190754] 		tree block key (392603 0 0) level 0
[  445.190756] 		tree block backref root 5
[  445.190757] 	item 2 key (8298299392 a8 4096) itemoff 3842 itemsize 51
[  445.190759] 		extent refs 1 gen 67227 flags 2
[  445.190761] 		tree block key (392610 0 0) level 0
[  445.190763] 		tree block backref root 5
[  445.190765] 	item 3 key (8298561536 a8 4096) itemoff 3791 itemsize 51
[  445.190767] 		extent refs 1 gen 67227 flags 2
[  445.190769] 		tree block key (392642 0 0) level 0
[  445.190770] 		tree block backref root 5
[  445.190772] 	item 4 key (8298721280 a8 4096) itemoff 3740 itemsize 51
[  445.190774] 		extent refs 1 gen 67227 flags 2
[  445.190776] 		tree block key (392675 0 0) level 0
[  445.190778] 		tree block backref root 5
[  445.190780] 	item 5 key (8298901504 a8 4096) itemoff 3689 itemsize 51
[  445.190781] 		extent refs 1 gen 184220 flags 2
[  445.190783] 		tree block key (218039 0 0) level 2
[  445.190785] 		tree block backref root 2645
[  445.190787] 	item 6 key (8298991616 a8 4096) itemoff 3638 itemsize 51
[  445.190789] 		extent refs 1 gen 67227 flags 2
[  445.190791] 		tree block key (392518 0 0) level 0
[  445.190792] 		tree block backref root 5
[  445.190794] 	item 7 key (8299089920 a8 4096) itemoff 3587 itemsize 51
[  445.190796] 		extent refs 1 gen 67227 flags 2
[  445.190798] 		tree block key (392518 0 0) level 0
[  445.190800] 		tree block backref root 5
[  445.190802] 	item 8 key (8299122688 a8 4096) itemoff 3536 itemsize 51
[  445.190804] 		extent refs 1 gen 67227 flags 2
[  445.190806] 		tree block key (392768 0 0) level 0
[  445.190807] 		tree block backref root 5
[  445.190809] 	item 9 key (8299163648 a8 4096) itemoff 3485 itemsize 51
[  445.190811] 		extent refs 1 gen 67227 flags 2
[  445.190813] 		tree block key (392773 0 0) level 0
[  445.190815] 		tree block backref root 5
[  445.190817] 	item 10 key (8299175936 a8 4096) itemoff 3434 itemsize 51
[  445.190819] 		extent refs 1 gen 67227 flags 2
[  445.190820] 		tree block key (392518 0 0) level 0
[  445.190822] 		tree block backref root 5
[  445.190824] 	item 11 key (8299294720 a8 4096) itemoff 3383 itemsize 51
[  445.190826] 		extent refs 1 gen 67227 flags 2
[  445.190828] 		tree block key (392773 0 0) level 0
[  445.190829] 		tree block backref root 5
[  445.190831] 	item 12 key (8299339776 a8 4096) itemoff 3332 itemsize 51
[  445.190833] 		extent refs 1 gen 67227 flags 2
[  445.190835] 		tree block key (392708 0 0) level 0
[  445.190837] 		tree block backref root 5
[  445.190839] 	item 13 key (8299372544 a8 4096) itemoff 3281 itemsize 51
[  445.190841] 		extent refs 1 gen 67227 flags 2
[  445.190843] 		tree block key (392708 0 0) level 0
[  445.190844] 		tree block backref root 5
[  445.190846] 	item 14 key (8299393024 a8 4096) itemoff 3230 itemsize 51
[  445.190848] 		extent refs 1 gen 184220 flags 2
[  445.190850] 		tree block key (292243 0 0) level 2
[  445.190852] 		tree block backref root 2645
[  445.190854] 	item 15 key (8299442176 a8 4096) itemoff 3179 itemsize 51
[  445.190856] 		extent refs 1 gen 67227 flags 2
[  445.190857] 		tree block key (392723 0 0) level 0
[  445.190859] 		tree block backref root 5
[  445.190861] 	item 16 key (8299462656 a8 4096) itemoff 3128 itemsize 51
[  445.190863] 		extent refs 1 gen 67227 flags 2
[  445.190865] 		tree block key (392737 0 0) level 0
[  445.190867] 		tree block backref root 5
[  445.190869] 	item 17 key (8299470848 a8 4096) itemoff 3077 itemsize 51
[  445.190871] 		extent refs 1 gen 67227 flags 2
[  445.190873] 		tree block key (392738 0 0) level 0
[  445.190874] 		tree block backref root 5
[  445.190876] 	item 18 key (8299503616 a8 4096) itemoff 3026 itemsize 51
[  445.190878] 		extent refs 1 gen 67227 flags 2
[  445.190880] 		tree block key (392739 0 0) level 0
[  445.190882] 		tree block backref root 5
[  445.190884] 	item 19 key (8299536384 a8 4096) itemoff 2975 itemsize 51
[  445.190885] 		extent refs 1 gen 67227 flags 2
[  445.190887] 		tree block key (392756 0 0) level 0
[  445.190889] 		tree block backref root 5
[  445.190891] 	item 20 key (8299548672 a8 4096) itemoff 2924 itemsize 51
[  445.190893] 		extent refs 1 gen 67227 flags 2
[  445.190895] 		tree block key (392757 0 0) level 0
[  445.190896] 		tree block backref root 5
[  445.190898] 	item 21 key (8299569152 a8 4096) itemoff 2873 itemsize 51
[  445.190900] 		extent refs 1 gen 67227 flags 2
[  445.190902] 		tree block key (392770 0 0) level 0
[  445.190904] 		tree block backref root 5
[  445.190906] 	item 22 key (8299593728 a8 4096) itemoff 2822 itemsize 51
[  445.190908] 		extent refs 1 gen 67227 flags 2
[  445.190910] 		tree block key (392770 0 0) level 0
[  445.190911] 		tree block backref root 5
[  445.190913] 	item 23 key (8299601920 a8 4096) itemoff 2771 itemsize 51
[  445.190915] 		extent refs 1 gen 67227 flags 2
[  445.190917] 		tree block key (392773 0 0) level 0
[  445.190919] 		tree block backref root 5
[  445.190921] 	item 24 key (8299708416 a8 4096) itemoff 2711 itemsize 60
[  445.190923] 		extent refs 2 gen 179984 flags 2
[  445.190924] 		tree block key (453531 0 0) level 0
[  445.190926] 		tree block backref root 2596
[  445.190928] 		tree block backref root 2594
[  445.190930] 	item 25 key (8299757568 a8 4096) itemoff 2660 itemsize 51
[  445.190932] 		extent refs 1 gen 184220 flags 2
[  445.190933] 		tree block key (310850 0 0) level 2
[  445.190935] 		tree block backref root 2645
[  445.190937] 	item 26 key (8300552192 a8 4096) itemoff 2609 itemsize 51
[  445.190940] 		extent refs 1 gen 67227 flags 2
[  445.190941] 		tree block key (392788 0 0) level 0
[  445.190943] 		tree block backref root 5
[  445.190945] 	item 27 key (8300691456 a8 4096) itemoff 2558 itemsize 51
[  445.190947] 		extent refs 1 gen 67227 flags 2
[  445.190949] 		tree block key (392790 0 0) level 0
[  445.190951] 		tree block backref root 5
[  445.190953] 	item 28 key (8300744704 a8 4096) itemoff 2507 itemsize 51
[  445.190955] 		extent refs 1 gen 67227 flags 2
[  445.190957] 		tree block key (392792 0 0) level 0
[  445.190959] 		tree block backref root 5
[  445.190961] 	item 29 key (8300892160 a8 4096) itemoff 2456 itemsize 51
[  445.190963] 		extent refs 1 gen 67227 flags 2
[  445.190965] 		tree block key (392793 0 0) level 0
[  445.190966] 		tree block backref root 5
[  445.190968] 	item 30 key (8301015040 a8 4096) itemoff 2405 itemsize 51
[  445.190970] 		extent refs 1 gen 179994 flags 2
[  445.190972] 		tree block key (269 0 0) level 0
[  445.190974] 		tree block backref root 261
[  445.190976] 	item 31 key (8301625344 a8 4096) itemoff 2354 itemsize 51
[  445.190978] 		extent refs 1 gen 383680 flags 2
[  445.190980] 		tree block key (1731 0 0) level 0
[  445.190981] 		shared block backref parent 1244377088
[  445.190984] 	item 32 key (8302137344 a8 4096) itemoff 2303 itemsize 51
[  445.190986] 		extent refs 1 gen 383680 flags 2
[  445.190987] 		tree block key (5220 0 0) level 0
[  445.190989] 		shared block backref parent 1244377088
[  445.190991] 	item 33 key (8302387200 a8 4096) itemoff 2252 itemsize 51
[  445.190993] 		extent refs 1 gen 383680 flags 2
[  445.190995] 		tree block key (23720 0 0) level 0
[  445.190997] 		tree block backref root 5
[  445.190998] 	item 34 key (8302391296 a8 4096) itemoff 2201 itemsize 51
[  445.191000] 		extent refs 1 gen 383680 flags 2
[  445.191002] 		tree block key (23721 0 0) level 0
[  445.191004] 		tree block backref root 5
[  445.191006] 	item 35 key (8302399488 a8 4096) itemoff 2150 itemsize 51
[  445.191008] 		extent refs 1 gen 383680 flags 2
[  445.191010] 		tree block key (23727 0 0) level 0
[  445.191012] 		tree block backref root 5
[  445.191014] 	item 36 key (8302403584 a8 4096) itemoff 2099 itemsize 51
[  445.191016] 		extent refs 1 gen 383680 flags 2
[  445.191017] 		tree block key (23730 0 0) level 0
[  445.191019] 		tree block backref root 5
[  445.191021] ------------[ cut here ]------------
[  445.191026] WARNING: CPU: 0 PID: 1608 at /home/abuild/rpmbuild/BUILD/kernel-default-3.11.6/linux-3.11/fs/btrfs/extent-tree.c:5702 __btrfs_free_extent+0x664/0xb00 [btrfs]()
[  445.191028] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  445.191049] CPU: 0 PID: 1608 Comm: btrfs-transacti Tainted: G        W    3.11.6-4-default #1
[  445.191051] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  445.191053]  0000000000000009 ffffffff81560e30 0000000000000000 ffffffff8104fb82
[  445.191056]  ffff8802b0f06760 00000001eedc5000 0000000000000000 ffff8803f38b9ef0
[  445.191059]  0000000000000000 ffffffffa04528a4 0000000000000000 0000000000000005
[  445.191062] Call Trace:
[  445.191066]  [<ffffffff81004868>] dump_trace+0x78/0x2c0
[  445.191069]  [<ffffffff81004b3f>] show_stack_log_lvl+0x8f/0x170
[  445.191071]  [<ffffffff81005e0c>] show_stack+0x1c/0x50
[  445.191075]  [<ffffffff81560e30>] dump_stack+0x41/0x51
[  445.191078]  [<ffffffff8104fb82>] warn_slowpath_common+0x72/0x90
[  445.191084]  [<ffffffffa04528a4>] __btrfs_free_extent+0x664/0xb00 [btrfs]
[  445.191098]  [<ffffffffa04569e5>] run_clustered_refs+0x765/0xdd0 [btrfs]
[  445.191113]  [<ffffffffa045b540>] btrfs_run_delayed_refs+0xd0/0x520 [btrfs]
[  445.191129]  [<ffffffffa046ae54>] btrfs_commit_transaction+0x44/0x970 [btrfs]
[  445.191149]  [<ffffffffa0462c55>] transaction_kthread+0x175/0x210 [btrfs]
[  445.191164]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  445.191167]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  445.191169] ---[ end trace 37569ae59e05558f ]---
[  445.191172] BTRFS error (device sda2): unable to find ref byte nr 8302383104 parent 0 root 5  owner 0 offset 0
[  445.191178] BTRFS info (device sda2): leaf 4628623360 total ptrs 36 free space 1250
[  445.191180] 	item 0 key (8298213376 a8 4096) itemoff 3944 itemsize 51
[  445.191182] 		extent refs 1 gen 67227 flags 2
[  445.191184] 		tree block key (392602 0 0) level 0
[  445.191186] 		tree block backref root 5
[  445.191188] 	item 1 key (8298221568 a8 4096) itemoff 3893 itemsize 51
[  445.191190] 		extent refs 1 gen 67227 flags 2
[  445.191191] 		tree block key (392603 0 0) level 0
[  445.191193] 		tree block backref root 5
[  445.191195] 	item 2 key (8298299392 a8 4096) itemoff 3842 itemsize 51
[  445.191197] 		extent refs 1 gen 67227 flags 2
[  445.191199] 		tree block key (392610 0 0) level 0
[  445.191201] 		tree block backref root 5
[  445.191202] 	item 3 key (8298561536 a8 4096) itemoff 3791 itemsize 51
[  445.191204] 		extent refs 1 gen 67227 flags 2
[  445.191206] 		tree block key (392642 0 0) level 0
[  445.191208] 		tree block backref root 5
[  445.191210] 	item 4 key (8298721280 a8 4096) itemoff 3740 itemsize 51
[  445.191212] 		extent refs 1 gen 67227 flags 2
[  445.191214] 		tree block key (392675 0 0) level 0
[  445.191215] 		tree block backref root 5
[  445.191217] 	item 5 key (8298901504 a8 4096) itemoff 3689 itemsize 51
[  445.191219] 		extent refs 1 gen 184220 flags 2
[  445.191221] 		tree block key (218039 0 0) level 2
[  445.191223] 		tree block backref root 2645
[  445.191225] 	item 6 key (8298991616 a8 4096) itemoff 3638 itemsize 51
[  445.191227] 		extent refs 1 gen 67227 flags 2
[  445.191228] 		tree block key (392518 0 0) level 0
[  445.191230] 		tree block backref root 5
[  445.191232] 	item 7 key (8299089920 a8 4096) itemoff 3587 itemsize 51
[  445.191234] 		extent refs 1 gen 67227 flags 2
[  445.191236] 		tree block key (392518 0 0) level 0
[  445.191238] 		tree block backref root 5
[  445.191240] 	item 8 key (8299122688 a8 4096) itemoff 3536 itemsize 51
[  445.191241] 		extent refs 1 gen 67227 flags 2
[  445.191243] 		tree block key (392768 0 0) level 0
[  445.191245] 		tree block backref root 5
[  445.191247] 	item 9 key (8299163648 a8 4096) itemoff 3485 itemsize 51
[  445.191249] 		extent refs 1 gen 67227 flags 2
[  445.191251] 		tree block key (392773 0 0) level 0
[  445.191252] 		tree block backref root 5
[  445.191254] 	item 10 key (8299175936 a8 4096) itemoff 3434 itemsize 51
[  445.191256] 		extent refs 1 gen 67227 flags 2
[  445.191258] 		tree block key (392518 0 0) level 0
[  445.191260] 		tree block backref root 5
[  445.191262] 	item 11 key (8299294720 a8 4096) itemoff 3383 itemsize 51
[  445.191264] 		extent refs 1 gen 67227 flags 2
[  445.191265] 		tree block key (392773 0 0) level 0
[  445.191268] 		tree block backref root 5
[  445.191269] 	item 12 key (8299339776 a8 4096) itemoff 3332 itemsize 51
[  445.191271] 		extent refs 1 gen 67227 flags 2
[  445.191273] 		tree block key (392708 0 0) level 0
[  445.191275] 		tree block backref root 5
[  445.191277] 	item 13 key (8299372544 a8 4096) itemoff 3281 itemsize 51
[  445.191279] 		extent refs 1 gen 67227 flags 2
[  445.191281] 		tree block key (392708 0 0) level 0
[  445.191282] 		tree block backref root 5
[  445.191284] 	item 14 key (8299393024 a8 4096) itemoff 3230 itemsize 51
[  445.191286] 		extent refs 1 gen 184220 flags 2
[  445.191288] 		tree block key (292243 0 0) level 2
[  445.191290] 		tree block backref root 2645
[  445.191292] 	item 15 key (8299442176 a8 4096) itemoff 3179 itemsize 51
[  445.191294] 		extent refs 1 gen 67227 flags 2
[  445.191296] 		tree block key (392723 0 0) level 0
[  445.191297] 		tree block backref root 5
[  445.191299] 	item 16 key (8299462656 a8 4096) itemoff 3128 itemsize 51
[  445.191301] 		extent refs 1 gen 67227 flags 2
[  445.191303] 		tree block key (392737 0 0) level 0
[  445.191305] 		tree block backref root 5
[  445.191306] 	item 17 key (8299470848 a8 4096) itemoff 3077 itemsize 51
[  445.191309] 		extent refs 1 gen 67227 flags 2
[  445.191310] 		tree block key (392738 0 0) level 0
[  445.191312] 		tree block backref root 5
[  445.191314] 	item 18 key (8299503616 a8 4096) itemoff 3026 itemsize 51
[  445.191316] 		extent refs 1 gen 67227 flags 2
[  445.191318] 		tree block key (392739 0 0) level 0
[  445.191319] 		tree block backref root 5
[  445.191321] 	item 19 key (8299536384 a8 4096) itemoff 2975 itemsize 51
[  445.191323] 		extent refs 1 gen 67227 flags 2
[  445.191325] 		tree block key (392756 0 0) level 0
[  445.191327] 		tree block backref root 5
[  445.191329] 	item 20 key (8299548672 a8 4096) itemoff 2924 itemsize 51
[  445.191331] 		extent refs 1 gen 67227 flags 2
[  445.191332] 		tree block key (392757 0 0) level 0
[  445.191334] 		tree block backref root 5
[  445.191336] 	item 21 key (8299569152 a8 4096) itemoff 2873 itemsize 51
[  445.191338] 		extent refs 1 gen 67227 flags 2
[  445.191340] 		tree block key (392770 0 0) level 0
[  445.191341] 		tree block backref root 5
[  445.191343] 	item 22 key (8299593728 a8 4096) itemoff 2822 itemsize 51
[  445.191345] 		extent refs 1 gen 67227 flags 2
[  445.191347] 		tree block key (392770 0 0) level 0
[  445.191349] 		tree block backref root 5
[  445.191351] 	item 23 key (8299601920 a8 4096) itemoff 2771 itemsize 51
[  445.191353] 		extent refs 1 gen 67227 flags 2
[  445.191354] 		tree block key (392773 0 0) level 0
[  445.191356] 		tree block backref root 5
[  445.191358] 	item 24 key (8299708416 a8 4096) itemoff 2711 itemsize 60
[  445.191360] 		extent refs 2 gen 179984 flags 2
[  445.191362] 		tree block key (453531 0 0) level 0
[  445.191363] 		tree block backref root 2596
[  445.191365] 		tree block backref root 2594
[  445.191367] 	item 25 key (8299757568 a8 4096) itemoff 2660 itemsize 51
[  445.191369] 		extent refs 1 gen 184220 flags 2
[  445.191371] 		tree block key (310850 0 0) level 2
[  445.191373] 		tree block backref root 2645
[  445.191375] 	item 26 key (8300552192 a8 4096) itemoff 2609 itemsize 51
[  445.191377] 		extent refs 1 gen 67227 flags 2
[  445.191379] 		tree block key (392788 0 0) level 0
[  445.191380] 		tree block backref root 5
[  445.191382] 	item 27 key (8300691456 a8 4096) itemoff 2558 itemsize 51
[  445.191385] 		extent refs 1 gen 67227 flags 2
[  445.191387] 		tree block key (392790 0 0) level 0
[  445.191388] 		tree block backref root 5
[  445.191390] 	item 28 key (8300744704 a8 4096) itemoff 2507 itemsize 51
[  445.191392] 		extent refs 1 gen 67227 flags 2
[  445.191394] 		tree block key (392792 0 0) level 0
[  445.191396] 		tree block backref root 5
[  445.191398] 	item 29 key (8300892160 a8 4096) itemoff 2456 itemsize 51
[  445.191400] 		extent refs 1 gen 67227 flags 2
[  445.191402] 		tree block key (392793 0 0) level 0
[  445.191403] 		tree block backref root 5
[  445.191405] 	item 30 key (8301015040 a8 4096) itemoff 2405 itemsize 51
[  445.191407] 		extent refs 1 gen 179994 flags 2
[  445.191409] 		tree block key (269 0 0) level 0
[  445.191411] 		tree block backref root 261
[  445.191413] 	item 31 key (8301625344 a8 4096) itemoff 2354 itemsize 51
[  445.191415] 		extent refs 1 gen 383680 flags 2
[  445.191416] 		tree block key (1731 0 0) level 0
[  445.191418] 		shared block backref parent 1244377088
[  445.191420] 	item 32 key (8302137344 a8 4096) itemoff 2303 itemsize 51
[  445.191422] 		extent refs 1 gen 383680 flags 2
[  445.191424] 		tree block key (5220 0 0) level 0
[  445.191426] 		shared block backref parent 1244377088
[  445.191427] 	item 33 key (8302391296 a8 4096) itemoff 2252 itemsize 51
[  445.191430] systemd-journald[1002]: /dev/kmsg buffer overrun, some messages lost.
[  445.191430] 		extent refs 1 gen 383680 flags 2
[  445.191431] 		tree block key (23721 0 0) level 0
[  445.191432] 		tree block backref root 5
[  445.191432] 	item 34 key (8302399488 a8 4096) itemoff 2201 itemsize 51
[  445.191433] 		extent refs 1 gen 383680 flags 2
[  445.191433] 		tree block key (23727 0 0) level 0
[  445.191433] 		tree block backref root 5
[  445.191433] 	item 35 key (8302403584 a8 4096) itemoff 2150 itemsize 51
[  445.191434] 		extent refs 1 gen 383680 flags 2
[  445.191434] 		tree block key (23730 0 0) level 0
[  445.191434] 		tree block backref root 5
[  445.191435] ------------[ cut here ]------------
[  445.191438] WARNING: CPU: 0 PID: 1608 at /home/abuild/rpmbuild/BUILD/kernel-default-3.11.6/linux-3.11/fs/btrfs/extent-tree.c:5702 __btrfs_free_extent+0x664/0xb00 [btrfs]()
[  445.191449] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  445.191449] CPU: 0 PID: 1608 Comm: btrfs-transacti Tainted: G        W    3.11.6-4-default #1
[  445.191450] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  445.191451]  0000000000000009 ffffffff81560e30 0000000000000000 ffffffff8104fb82
[  445.191452]  ffff8802b0f06760 00000001eedc6000 0000000000000000 ffff8803f38b9ef0
[  445.191453]  0000000000000000 ffffffffa04528a4 0000000000000000 0000000000000005
[  445.191454] Call Trace:
[  445.191456]  [<ffffffff81004868>] dump_trace+0x78/0x2c0
[  445.191457]  [<ffffffff81004b3f>] show_stack_log_lvl+0x8f/0x170
[  445.191459]  [<ffffffff81005e0c>] show_stack+0x1c/0x50
[  445.191460]  [<ffffffff81560e30>] dump_stack+0x41/0x51
[  445.191462]  [<ffffffff8104fb82>] warn_slowpath_common+0x72/0x90
[  445.191466]  [<ffffffffa04528a4>] __btrfs_free_extent+0x664/0xb00 [btrfs]
[  445.191478]  [<ffffffffa04569e5>] run_clustered_refs+0x765/0xdd0 [btrfs]
[  445.191492]  [<ffffffffa045b540>] btrfs_run_delayed_refs+0xd0/0x520 [btrfs]
[  445.191506]  [<ffffffffa046ae54>] btrfs_commit_transaction+0x44/0x970 [btrfs]
[  445.191528]  [<ffffffffa0462c55>] transaction_kthread+0x175/0x210 [btrfs]
[  445.191542]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  445.191546]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  445.191548] ---[ end trace 37569ae59e055590 ]---
[  445.191550] BTRFS error (device sda2): unable to find ref byte nr 8302387200 parent 0 root 5  owner 0 offset 0
[  445.191556] BTRFS info (device sda2): leaf 4628623360 total ptrs 35 free space 1326
[  445.191559] 	item 0 key (8298213376 a8 4096) itemoff 3944 itemsize 51
[  445.191561] 		extent refs 1 gen 67227 flags 2
[  445.191562] 		tree block key (392602 0 0) level 0
[  445.191564] 		tree block backref root 5
[  445.191566] 	item 1 key (8298221568 a8 4096) itemoff 3893 itemsize 51
[  445.191568] 		extent refs 1 gen 67227 flags 2
[  445.191570] 		tree block key (392603 0 0) level 0
[  445.191572] 		tree block backref root 5
[  445.191574] 	item 2 key (8298299392 a8 4096) itemoff 3842 itemsize 51
[  445.191576] 		extent refs 1 gen 67227 flags 2
[  445.191578] 		tree block key (392610 0 0) level 0
[  445.191579] 		tree block backref root 5
[  445.191581] 	item 3 key (8298561536 a8 4096) itemoff 3791 itemsize 51
[  445.191583] 		extent refs 1 gen 67227 flags 2
[  445.191585] 		tree block key (392642 0 0) level 0
[  445.191587] 		tree block backref root 5
[  445.191589] 	item 4 key (8298721280 a8 4096) itemoff 3740 itemsize 51
[  445.191591] 		extent refs 1 gen 67227 flags 2
[  445.191593] 		tree block key (392675 0 0) level 0
[  445.191594] 		tree block backref root 5
[  445.191596] 	item 5 key (8298901504 a8 4096) itemoff 3689 itemsize 51
[  445.191598] 		extent refs 1 gen 184220 flags 2
[  445.191600] 		tree block key (218039 0 0) level 2
[  445.191602] 		tree block backref root 2645
[  445.191604] 	item 6 key (8298991616 a8 4096) itemoff 3638 itemsize 51
[  445.191606] 		extent refs 1 gen 67227 flags 2
[  445.191608] 		tree block key (392518 0 0) level 0
[  445.191610] 		tree block backref root 5
[  445.191612] 	item 7 key (8299089920 a8 4096) itemoff 3587 itemsize 51
[  445.191614] 		extent refs 1 gen 67227 flags 2
[  445.191615] 		tree block key (392518 0 0) level 0
[  445.191617] 		tree block backref root 5
[  445.191619] 	item 8 key (8299122688 a8 4096) itemoff 3536 itemsize 51
[  445.191621] 		extent refs 1 gen 67227 flags 2
[  445.191623] 		tree block key (392768 0 0) level 0
[  445.191625] 		tree block backref root 5
[  445.191627] 	item 9 key (8299163648 a8 4096) itemoff 3485 itemsize 51
[  445.191629] 		extent refs 1 gen 67227 flags 2
[  445.191630] 		tree block key (392773 0 0) level 0
[  445.191632] 		tree block backref root 5
[  445.191634] 	item 10 key (8299175936 a8 4096) itemoff 3434 itemsize 51
[  445.191636] 		extent refs 1 gen 67227 flags 2
[  445.191638] 		tree block key (392518 0 0) level 0
[  445.191640] 		tree block backref root 5
[  445.191642] 	item 11 key (8299294720 a8 4096) itemoff 3383 itemsize 51
[  445.191644] 		extent refs 1 gen 67227 flags 2
[  445.191646] 		tree block key (392773 0 0) level 0
[  445.191647] 		tree block backref root 5
[  445.191649] 	item 12 key (8299339776 a8 4096) itemoff 3332 itemsize 51
[  445.191651] 		extent refs 1 gen 67227 flags 2
[  445.191653] 		tree block key (392708 0 0) level 0
[  445.191655] 		tree block backref root 5
[  445.191657] 	item 13 key (8299372544 a8 4096) itemoff 3281 itemsize 51
[  445.191659] 		extent refs 1 gen 67227 flags 2
[  445.191661] 		tree block key (392708 0 0) level 0
[  445.191662] 		tree block backref root 5
[  445.191664] 	item 14 key (8299393024 a8 4096) itemoff 3230 itemsize 51
[  445.191666] 		extent refs 1 gen 184220 flags 2
[  445.191668] 		tree block key (292243 0 0) level 2
[  445.191670] systemd-journald[1002]: /dev/kmsg buffer overrun, some messages lost.
[  445.191672] 		tree block backref root 2645
[  445.191674] 	item 15 key (8299442176 a8 4096) itemoff 3179 itemsize 51
[  445.191676] 		extent refs 1 gen 67227 flags 2
[  445.191678] 		tree block key (392723 0 0) level 0
[  445.191680] 		tree block backref root 5
[  445.191682] 	item 16 key (8299462656 a8 4096) itemoff 3128 itemsize 51
[  445.191684] 		extent refs 1 gen 67227 flags 2
[  445.191685] 		tree block key (392737 0 0) level 0
[  445.191687] 		tree block backref root 5
[  445.191689] 	item 17 key (8299470848 a8 4096) itemoff 3077 itemsize 51
[  445.191691] 		extent refs 1 gen 67227 flags 2
[  445.191693] 		tree block key (392738 0 0) level 0
[  445.191695] 		tree block backref root 5
[  445.191697] 	item 18 key (8299503616 a8 4096) itemoff 3026 itemsize 51
[  445.191699] 		extent refs 1 gen 67227 flags 2
[  445.191701] 		tree block key (392739 0 0) level 0
[  445.191702] 		tree block backref root 5
[  445.191704] 	item 19 key (8299536384 a8 4096) itemoff 2975 itemsize 51
[  445.191706] 		extent refs 1 gen 67227 flags 2
[  445.191708] 		tree block key (392756 0 0) level 0
[  445.191710] 		tree block backref root 5
[  445.191712] 	item 20 key (8299548672 a8 4096) itemoff 2924 itemsize 51
[  445.191714] 		extent refs 1 gen 67227 flags 2
[  445.191716] 		tree block key (392757 0 0) level 0
[  445.191717] 		tree block backref root 5
[  445.191719] 	item 21 key (8299569152 a8 4096) itemoff 2873 itemsize 51
[  445.191721] 		extent refs 1 gen 67227 flags 2
[  445.191723] 		tree block key (392770 0 0) level 0
[  445.191725] 		tree block backref root 5
[  445.191727] 	item 22 key (8299593728 a8 4096) itemoff 2822 itemsize 51
[  445.191729] 		extent refs 1 gen 67227 flags 2
[  445.191731] 		tree block key (392770 0 0) level 0
[  445.191732] 		tree block backref root 5
[  445.191734] 	item 23 key (8299601920 a8 4096) itemoff 2771 itemsize 51
[  445.191736] 		extent refs 1 gen 67227 flags 2
[  445.191738] 		tree block key (392773 0 0) level 0
[  445.191740] 		tree block backref root 5
[  445.191742] 	item 24 key (8299708416 a8 4096) itemoff 2711 itemsize 60
[  445.191744] 		extent refs 2 gen 179984 flags 2
[  445.191746] 		tree block key (453531 0 0) level 0
[  445.191748] 		tree block backref root 2596
[  445.191749] 		tree block backref root 2594
[  445.191751] 	item 25 key (8299757568 a8 4096) itemoff 2660 itemsize 51
[  445.191753] 		extent refs 1 gen 184220 flags 2
[  445.191755] 		tree block key (310850 0 0) level 2
[  445.191757] 		tree block backref root 2645
[  445.191759] 	item 26 key (8300552192 a8 4096) itemoff 2609 itemsize 51
[  445.191761] 		extent refs 1 gen 67227 flags 2
[  445.191763] 		tree block key (392788 0 0) level 0
[  445.191764] 		tree block backref root 5
[  445.191766] 	item 27 key (8300691456 a8 4096) itemoff 2558 itemsize 51
[  445.191768] 		extent refs 1 gen 67227 flags 2
[  445.191770] 		tree block key (392790 0 0) level 0
[  445.191772] 		tree block backref root 5
[  445.191774] 	item 28 key (8300744704 a8 4096) itemoff 2507 itemsize 51
[  445.191776] 		extent refs 1 gen 67227 flags 2
[  445.191778] 		tree block key (392792 0 0) level 0
[  445.191779] 		tree block backref root 5
[  445.191781] 	item 29 key (8300892160 a8 4096) itemoff 2456 itemsize 51
[  445.191783] 		extent refs 1 gen 67227 flags 2
[  445.191785] 		tree block key (392793 0 0) level 0
[  445.191787] 		tree block backref root 5
[  445.191789] 	item 30 key (8301015040 a8 4096) itemoff 2405 itemsize 51
[  445.191789] systemd-journald[1002]: /dev/kmsg buffer overrun, some messages lost.
[  445.191793] 		extent refs 1 gen 179994 flags 2
[  445.191795] 		tree block key (269 0 0) level 0
[  445.191797] 		tree block backref root 261
[  445.191799] 	item 31 key (8301625344 a8 4096) itemoff 2354 itemsize 51
[  445.191801] 		extent refs 1 gen 383680 flags 2
[  445.191803] 		tree block key (1731 0 0) level 0
[  445.191804] 		shared block backref parent 1244377088
[  445.191806] 	item 32 key (8302137344 a8 4096) itemoff 2303 itemsize 51
[  445.191808] 		extent refs 1 gen 383680 flags 2
[  445.191810] 		tree block key (5220 0 0) level 0
[  445.191812] 		shared block backref parent 1244377088
[  445.191814] 	item 33 key (8302399488 a8 4096) itemoff 2252 itemsize 51
[  445.191816] 		extent refs 1 gen 383680 flags 2
[  445.191818] 		tree block key (23727 0 0) level 0
[  445.191820] 		tree block backref root 5
[  445.191822] 	item 34 key (8302403584 a8 4096) itemoff 2201 itemsize 51
[  445.191824] 		extent refs 1 gen 383680 flags 2
[  445.191826] 		tree block key (23730 0 0) level 0
[  445.191827] 		tree block backref root 5
[  445.191829] ------------[ cut here ]------------
[  445.191834] WARNING: CPU: 0 PID: 1608 at /home/abuild/rpmbuild/BUILD/kernel-default-3.11.6/linux-3.11/fs/btrfs/extent-tree.c:5702 __btrfs_free_extent+0x664/0xb00 [btrfs]()
[  445.191837] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  445.191856] CPU: 0 PID: 1608 Comm: btrfs-transacti Tainted: G        W    3.11.6-4-default #1
[  445.191858] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  445.191860]  0000000000000009 ffffffff81560e30 0000000000000000 ffffffff8104fb82
[  445.191863]  ffff8802b0f06760 00000001eedc7000 0000000000000000 ffff8803f38b9ef0
[  445.191866]  0000000000000000 ffffffffa04528a4 0000000000000000 0000000000000005
[  445.191869] Call Trace:
[  445.191872]  [<ffffffff81004868>] dump_trace+0x78/0x2c0
[  445.191875]  [<ffffffff81004b3f>] show_stack_log_lvl+0x8f/0x170
[  445.191878]  [<ffffffff81005e0c>] show_stack+0x1c/0x50
[  445.191881]  [<ffffffff81560e30>] dump_stack+0x41/0x51
[  445.191884]  [<ffffffff8104fb82>] warn_slowpath_common+0x72/0x90
[  445.191887] systemd-journald[1002]: /dev/kmsg buffer overrun, some messages lost.
[  445.191890]  [<ffffffffa04528a4>] __btrfs_free_extent+0x664/0xb00 [btrfs]
[  445.191903]  [<ffffffffa04569e5>] run_clustered_refs+0x765/0xdd0 [btrfs]
[  445.191919]  [<ffffffffa045b540>] btrfs_run_delayed_refs+0xd0/0x520 [btrfs]
[  445.191935]  [<ffffffffa046ae54>] btrfs_commit_transaction+0x44/0x970 [btrfs]
[  445.191955]  [<ffffffffa0462c55>] transaction_kthread+0x175/0x210 [btrfs]
[  445.191969]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  445.191973]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  445.191975] ---[ end trace 37569ae59e055591 ]---
[  445.191977] BTRFS error (device sda2): unable to find ref byte nr 8302391296 parent 0 root 5  owner 0 offset 0
[  445.191983] BTRFS info (device sda2): leaf 4628623360 total ptrs 34 free space 1402
[  445.191985] 	item 0 key (8298213376 a8 4096) itemoff 3944 itemsize 51
[  445.191987] 		extent refs 1 gen 67227 flags 2
[  445.191989] 		tree block key (392602 0 0) level 0
[  445.191991] 		tree block backref root 5
[  445.191993] 	item 1 key (8298221568 a8 4096) itemoff 3893 itemsize 51
[  445.191995] 		extent refs 1 gen 67227 flags 2
[  445.191996] systemd-journald[1002]: /dev/kmsg buffer overrun, some messages lost.
[  445.191998] 		tree block key (392603 0 0) level 0
[  445.192000] 		tree block backref root 5
[  445.192002] 	item 2 key (8298299392 a8 4096) itemoff 3842 itemsize 51
[  445.192004] 		extent refs 1 gen 67227 flags 2
[  445.192006] 		tree block key (392610 0 0) level 0
[  445.192007] 		tree block backref root 5
[  445.192009] 	item 3 key (8298561536 a8 4096) itemoff 3791 itemsize 51
[  445.192011] 		extent refs 1 gen 67227 flags 2
[  445.192013] 		tree block key (392642 0 0) level 0
[  445.192015] 		tree block backref root 5
[  445.192017] 	item 4 key (8298721280 a8 4096) itemoff 3740 itemsize 51
[  445.192019] 		extent refs 1 gen 67227 flags 2
[  445.192021] 		tree block key (392675 0 0) level 0
[  445.192022] 		tree block backref root 5
[  445.192024] 	item 5 key (8298901504 a8 4096) itemoff 3689 itemsize 51
[  445.192026] 		extent refs 1 gen 184220 flags 2
[  445.192028] 		tree block key (218039 0 0) level 2
[  445.192030] 		tree block backref root 2645
[  445.192032] 	item 6 key (8298991616 a8 4096) itemoff 3638 itemsize 51
[  445.192034] 		extent refs 1 gen 67227 flags 2
[  445.192036] 		tree block key (392518 0 0) level 0
[  445.192037] 		tree block backref root 5
[  445.192039] 	item 7 key (8299089920 a8 4096) itemoff 3587 itemsize 51
[  445.192041] 		extent refs 1 gen 67227 flags 2
[  445.192043] 		tree block key (392518 0 0) level 0
[  445.192045] 		tree block backref root 5
[  445.192047] 	item 8 key (8299122688 a8 4096) itemoff 3536 itemsize 51
[  445.192049] 		extent refs 1 gen 67227 flags 2
[  445.192050] 		tree block key (392768 0 0) level 0
[  445.192052] 		tree block backref root 5
[  445.192054] 	item 9 key (8299163648 a8 4096) itemoff 3485 itemsize 51
[  445.192056] 		extent refs 1 gen 67227 flags 2
[  445.192058] 		tree block key (392773 0 0) level 0
[  445.192060] 		tree block backref root 5
[  445.192062] 	item 10 key (8299175936 a8 4096) itemoff 3434 itemsize 51
[  445.192064] 		extent refs 1 gen 67227 flags 2
[  445.192065] 		tree block key (392518 0 0) level 0
[  445.192067] 		tree block backref root 5
[  445.192069] 	item 11 key (8299294720 a8 4096) itemoff 3383 itemsize 51
[  445.192071] 		extent refs 1 gen 67227 flags 2
[  445.192073] 		tree block key (392773 0 0) level 0
[  445.192075] 		tree block backref root 5
[  445.192076] 	item 12 key (8299339776 a8 4096) itemoff 3332 itemsize 51
[  445.192078] 		extent refs 1 gen 67227 flags 2
[  445.192080] 		tree block key (392708 0 0) level 0
[  445.192082] 		tree block backref root 5
[  445.192084] 	item 13 key (8299372544 a8 4096) itemoff 3281 itemsize 51
[  445.192086] 		extent refs 1 gen 67227 flags 2
[  445.192088] 		tree block key (392708 0 0) level 0
[  445.192089] 		tree block backref root 5
[  445.192091] 	item 14 key (8299393024 a8 4096) itemoff 3230 itemsize 51
[  445.192093] 		extent refs 1 gen 184220 flags 2
[  445.192095] 		tree block key (292243 0 0) level 2
[  445.192097] 		tree block backref root 2645
[  445.192099] 	item 15 key (8299442176 a8 4096) itemoff 3179 itemsize 51
[  445.192101] 		extent refs 1 gen 67227 flags 2
[  445.192103] 		tree block key (392723 0 0) level 0
[  445.192104] 		tree block backref root 5
[  445.192105] systemd-journald[1002]: /dev/kmsg buffer overrun, some messages lost.
[  445.192108] 	item 16 key (8299462656 a8 4096) itemoff 3128 itemsize 51
[  445.192110] 		extent refs 1 gen 67227 flags 2
[  445.192112] 		tree block key (392737 0 0) level 0
[  445.192113] 		tree block backref root 5
[  445.192115] 	item 17 key (8299470848 a8 4096) itemoff 3077 itemsize 51
[  445.192117] 		extent refs 1 gen 67227 flags 2
[  445.192119] 		tree block key (392738 0 0) level 0
[  445.192121] 		tree block backref root 5
[  445.192123] 	item 18 key (8299503616 a8 4096) itemoff 3026 itemsize 51
[  445.192125] 		extent refs 1 gen 67227 flags 2
[  445.192126] 		tree block key (392739 0 0) level 0
[  445.192128] 		tree block backref root 5
[  445.192130] 	item 19 key (8299536384 a8 4096) itemoff 2975 itemsize 51
[  445.192132] 		extent refs 1 gen 67227 flags 2
[  445.192134] 		tree block key (392756 0 0) level 0
[  445.192136] 		tree block backref root 5
[  445.192138] 	item 20 key (8299548672 a8 4096) itemoff 2924 itemsize 51
[  445.192139] 		extent refs 1 gen 67227 flags 2
[  445.192141] 		tree block key (392757 0 0) level 0
[  445.192143] 		tree block backref root 5
[  445.192145] 	item 21 key (8299569152 a8 4096) itemoff 2873 itemsize 51
[  445.192147] 		extent refs 1 gen 67227 flags 2
[  445.192149] 		tree block key (392770 0 0) level 0
[  445.192151] 		tree block backref root 5
[  445.192152] 	item 22 key (8299593728 a8 4096) itemoff 2822 itemsize 51
[  445.192154] 		extent refs 1 gen 67227 flags 2
[  445.192156] 		tree block key (392770 0 0) level 0
[  445.192158] 		tree block backref root 5
[  445.192160] 	item 23 key (8299601920 a8 4096) itemoff 2771 itemsize 51
[  445.192162] 		extent refs 1 gen 67227 flags 2
[  445.192164] 		tree block key (392773 0 0) level 0
[  445.192165] 		tree block backref root 5
[  445.192167] 	item 24 key (8299708416 a8 4096) itemoff 2711 itemsize 60
[  445.192169] 		extent refs 2 gen 179984 flags 2
[  445.192171] 		tree block key (453531 0 0) level 0
[  445.192173] 		tree block backref root 2596
[  445.192175] 		tree block backref root 2594
[  445.192177] 	item 25 key (8299757568 a8 4096) itemoff 2660 itemsize 51
[  445.192179] 		extent refs 1 gen 184220 flags 2
[  445.192180] 		tree block key (310850 0 0) level 2
[  445.192182] 		tree block backref root 2645
[  445.192184] 	item 26 key (8300552192 a8 4096) itemoff 2609 itemsize 51
[  445.192186] 		extent refs 1 gen 67227 flags 2
[  445.192188] 		tree block key (392788 0 0) level 0
[  445.192190] 		tree block backref root 5
[  445.192191] 	item 27 key (8300691456 a8 4096) itemoff 2558 itemsize 51
[  445.192193] 		extent refs 1 gen 67227 flags 2
[  445.192195] 		tree block key (392790 0 0) level 0
[  445.192197] 		tree block backref root 5
[  445.192199] 	item 28 key (8300744704 a8 4096) itemoff 2507 itemsize 51
[  445.192201] 		extent refs 1 gen 67227 flags 2
[  445.192203] 		tree block key (392792 0 0) level 0
[  445.192204] 		tree block backref root 5
[  445.192206] 	item 29 key (8300892160 a8 4096) itemoff 2456 itemsize 51
[  445.192208] 		extent refs 1 gen 67227 flags 2
[  445.192210] 		tree block key (392793 0 0) level 0
[  445.192212] 		tree block backref root 5
[  445.192214] 	item 30 key (8301015040 a8 4096) itemoff 2405 itemsize 51
[  445.192216] 		extent refs 1 gen 179994 flags 2
[  445.192216] systemd-journald[1002]: /dev/kmsg buffer overrun, some messages lost.
[  445.192220] 		tree block key (269 0 0) level 0
[  445.192221] 		tree block backref root 261
[  445.192223] 	item 31 key (8301625344 a8 4096) itemoff 2354 itemsize 51
[  445.192225] 		extent refs 1 gen 383680 flags 2
[  445.192227] 		tree block key (1731 0 0) level 0
[  445.192229] 		shared block backref parent 1244377088
[  445.192231] 	item 32 key (8302137344 a8 4096) itemoff 2303 itemsize 51
[  445.192233] 		extent refs 1 gen 383680 flags 2
[  445.192234] 		tree block key (5220 0 0) level 0
[  445.192236] 		shared block backref parent 1244377088
[  445.192238] 	item 33 key (8302403584 a8 4096) itemoff 2252 itemsize 51
[  445.192240] 		extent refs 1 gen 383680 flags 2
[  445.192242] 		tree block key (23730 0 0) level 0
[  445.192244] 		tree block backref root 5
[  445.192245] ------------[ cut here ]------------
[  445.192251] WARNING: CPU: 0 PID: 1608 at /home/abuild/rpmbuild/BUILD/kernel-default-3.11.6/linux-3.11/fs/btrfs/extent-tree.c:5702 __btrfs_free_extent+0x664/0xb00 [btrfs]()
[  445.192253] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  445.192273] CPU: 0 PID: 1608 Comm: btrfs-transacti Tainted: G        W    3.11.6-4-default #1
[  445.192275] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  445.192277]  0000000000000009 ffffffff81560e30 0000000000000000 ffffffff8104fb82
[  445.192279]  ffff8802b0f06760 00000001eedc9000 0000000000000000 ffff8803f38b9ef0
[  445.192282]  0000000000000000 ffffffffa04528a4 0000000000000000 0000000000000005
[  445.192285] Call Trace:
[  445.192288]  [<ffffffff81004868>] dump_trace+0x78/0x2c0
[  445.192291]  [<ffffffff81004b3f>] show_stack_log_lvl+0x8f/0x170
[  445.192294]  [<ffffffff81005e0c>] show_stack+0x1c/0x50
[  445.192297]  [<ffffffff81560e30>] dump_stack+0x41/0x51
[  445.192301]  [<ffffffff8104fb82>] warn_slowpath_common+0x72/0x90
[  445.192306]  [<ffffffffa04528a4>] __btrfs_free_extent+0x664/0xb00 [btrfs]
[  445.192320]  [<ffffffffa04569e5>] run_clustered_refs+0x765/0xdd0 [btrfs]
[  445.192320] systemd-journald[1002]: /dev/kmsg buffer overrun, some messages lost.
[  445.192337]  [<ffffffffa045b540>] btrfs_run_delayed_refs+0xd0/0x520 [btrfs]
[  445.192353]  [<ffffffffa046ae54>] btrfs_commit_transaction+0x44/0x970 [btrfs]
[  445.192373]  [<ffffffffa0462c55>] transaction_kthread+0x175/0x210 [btrfs]
[  445.192388]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  445.192391]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  445.192393] ---[ end trace 37569ae59e055592 ]---
[  445.192395] BTRFS error (device sda2): unable to find ref byte nr 8302399488 parent 0 root 5  owner 0 offset 0
[  445.192401] BTRFS info (device sda2): leaf 4628623360 total ptrs 33 free space 1478
[  445.192403] 	item 0 key (8298213376 a8 4096) itemoff 3944 itemsize 51
[  445.192405] 		extent refs 1 gen 67227 flags 2
[  445.192407] 		tree block key (392602 0 0) level 0
[  445.192408] 		tree block backref root 5
[  445.192410] 	item 1 key (8298221568 a8 4096) itemoff 3893 itemsize 51
[  445.192412] 		extent refs 1 gen 67227 flags 2
[  445.192414] 		tree block key (392603 0 0) level 0
[  445.192416] 		tree block backref root 5
[  445.192418] systemd-journald[1002]: /dev/kmsg buffer overrun, some messages lost.
[  445.192418] 	item 2 key (8298299392 a8 4096) itemoff 3842 itemsize 51
[  445.192419] 		extent refs 1 gen 67227 flags 2
[  445.192419] 		tree block key (392610 0 0) level 0
[  445.192420] 		tree block backref root 5
[  445.192420] 	item 3 key (8298561536 a8 4096) itemoff 3791 itemsize 51
[  445.192420] 		extent refs 1 gen 67227 flags 2
[  445.192421] 		tree block key (392642 0 0) level 0
[  445.192421] 		tree block backref root 5
[  445.192421] 	item 4 key (8298721280 a8 4096) itemoff 3740 itemsize 51
[  445.192422] 		extent refs 1 gen 67227 flags 2
[  445.192422] 		tree block key (392675 0 0) level 0
[  445.192422] 		tree block backref root 5
[  445.192423] 	item 5 key (8298901504 a8 4096) itemoff 3689 itemsize 51
[  445.192423] 		extent refs 1 gen 184220 flags 2
[  445.192424] 		tree block key (218039 0 0) level 2
[  445.192424] 		tree block backref root 2645
[  445.192424] 	item 6 key (8298991616 a8 4096) itemoff 3638 itemsize 51
[  445.192425] 		extent refs 1 gen 67227 flags 2
[  445.192425] 		tree block key (392518 0 0) level 0
[  445.192425] 		tree block backref root 5
[  445.192426] 	item 7 key (8299089920 a8 4096) itemoff 3587 itemsize 51
[  445.192426] 		extent refs 1 gen 67227 flags 2
[  445.192427] 		tree block key (392518 0 0) level 0
[  445.192427] 		tree block backref root 5
[  445.192427] 	item 8 key (8299122688 a8 4096) itemoff 3536 itemsize 51
[  445.192428] 		extent refs 1 gen 67227 flags 2
[  445.192428] 		tree block key (392768 0 0) level 0
[  445.192429] 		tree block backref root 5
[  445.192429] 	item 9 key (8299163648 a8 4096) itemoff 3485 itemsize 51
[  445.192429] 		extent refs 1 gen 67227 flags 2
[  445.192430] 		tree block key (392773 0 0) level 0
[  445.192430] 		tree block backref root 5
[  445.192431] 	item 10 key (8299175936 a8 4096) itemoff 3434 itemsize 51
[  445.192431] 		extent refs 1 gen 67227 flags 2
[  445.192431] 		tree block key (392518 0 0) level 0
[  445.192431] 		tree block backref root 5
[  445.192432] 	item 11 key (8299294720 a8 4096) itemoff 3383 itemsize 51
[  445.192433] 		extent refs 1 gen 67227 flags 2
[  445.192433] 		tree block key (392773 0 0) level 0
[  445.192433] 		tree block backref root 5
[  445.192434] 	item 12 key (8299339776 a8 4096) itemoff 3332 itemsize 51
[  445.192434] 		extent refs 1 gen 67227 flags 2
[  445.192434] 		tree block key (392708 0 0) level 0
[  445.192435] 		tree block backref root 5
[  445.192435] 	item 13 key (8299372544 a8 4096) itemoff 3281 itemsize 51
[  445.192436] 		extent refs 1 gen 67227 flags 2
[  445.192436] 		tree block key (392708 0 0) level 0
[  445.192436] 		tree block backref root 5
[  445.192437] 	item 14 key (8299393024 a8 4096) itemoff 3230 itemsize 51
[  445.192437] 		extent refs 1 gen 184220 flags 2
[  445.192438] 		tree block key (292243 0 0) level 2
[  445.192438] 		tree block backref root 2645
[  445.192438] 	item 15 key (8299442176 a8 4096) itemoff 3179 itemsize 51
[  445.192439] 		extent refs 1 gen 67227 flags 2
[  445.192439] 		tree block key (392723 0 0) level 0
[  445.192439] 		tree block backref root 5
[  445.192440] 	item 16 key (8299462656 a8 4096) itemoff 3128 itemsize 51
[  445.192440] 		extent refs 1 gen 67227 flags 2
[  445.192441] 		tree block key (392737 0 0) level 0
[  445.192441] 		tree block backref root 5
[  445.192441] 	item 17 key (8299470848 a8 4096) itemoff 3077 itemsize 51
[  445.192442] 		extent refs 1 gen 67227 flags 2
[  445.192442] 		tree block key (392738 0 0) level 0
[  445.192442] 		tree block backref root 5
[  445.192443] 	item 18 key (8299503616 a8 4096) itemoff 3026 itemsize 51
[  445.192443] 		extent refs 1 gen 67227 flags 2
[  445.192444] 		tree block key (392739 0 0) level 0
[  445.192444] 		tree block backref root 5
[  445.192444] 	item 19 key (8299536384 a8 4096) itemoff 2975 itemsize 51
[  445.192445] 		extent refs 1 gen 67227 flags 2
[  445.192445] 		tree block key (392756 0 0) level 0
[  445.192446] 		tree block backref root 5
[  445.192446] 	item 20 key (8299548672 a8 4096) itemoff 2924 itemsize 51
[  445.192446] 		extent refs 1 gen 67227 flags 2
[  445.192447] 		tree block key (392757 0 0) level 0
[  445.192447] 		tree block backref root 5
[  445.192448] 	item 21 key (8299569152 a8 4096) itemoff 2873 itemsize 51
[  445.192448] 		extent refs 1 gen 67227 flags 2
[  445.192448] 		tree block key (392770 0 0) level 0
[  445.192449] 		tree block backref root 5
[  445.192449] 	item 22 key (8299593728 a8 4096) itemoff 2822 itemsize 51
[  445.192449] 		extent refs 1 gen 67227 flags 2
[  445.192450] 		tree block key (392770 0 0) level 0
[  445.192450] 		tree block backref root 5
[  445.192451] 	item 23 key (8299601920 a8 4096) itemoff 2771 itemsize 51
[  445.192451] 		extent refs 1 gen 67227 flags 2
[  445.192451] 		tree block key (392773 0 0) level 0
[  445.192452] 		tree block backref root 5
[  445.192452] 	item 24 key (8299708416 a8 4096) itemoff 2711 itemsize 60
[  445.192453] 		extent refs 2 gen 179984 flags 2
[  445.192453] 		tree block key (453531 0 0) level 0
[  445.192453] 		tree block backref root 2596
[  445.192454] 		tree block backref root 2594
[  445.192454] 	item 25 key (8299757568 a8 4096) itemoff 2660 itemsize 51
[  445.192454] 		extent refs 1 gen 184220 flags 2
[  445.192455] 		tree block key (310850 0 0) level 2
[  445.192455] 		tree block backref root 2645
[  445.192456] 	item 26 key (8300552192 a8 4096) itemoff 2609 itemsize 51
[  445.192456] 		extent refs 1 gen 67227 flags 2
[  445.192456] 		tree block key (392788 0 0) level 0
[  445.192457] 		tree block backref root 5
[  445.192457] 	item 27 key (8300691456 a8 4096) itemoff 2558 itemsize 51
[  445.192458] 		extent refs 1 gen 67227 flags 2
[  445.192458] 		tree block key (392790 0 0) level 0
[  445.192458] 		tree block backref root 5
[  445.192459] 	item 28 key (8300744704 a8 4096) itemoff 2507 itemsize 51
[  445.192459] 		extent refs 1 gen 67227 flags 2
[  445.192460] 		tree block key (392792 0 0) level 0
[  445.192460] 		tree block backref root 5
[  445.192461] 	item 29 key (8300892160 a8 4096) itemoff 2456 itemsize 51
[  445.192461] 		extent refs 1 gen 67227 flags 2
[  445.192461] 		tree block key (392793 0 0) level 0
[  445.192461] 		tree block backref root 5
[  445.192462] 	item 30 key (8301015040 a8 4096) itemoff 2405 itemsize 51
[  445.192462] 		extent refs 1 gen 179994 flags 2
[  445.192463] 		tree block key (269 0 0) level 0
[  445.192463] 		tree block backref root 261
[  445.192464] 	item 31 key (8301625344 a8 4096) itemoff 2354 itemsize 51
[  445.192464] 		extent refs 1 gen 383680 flags 2
[  445.192464] 		tree block key (1731 0 0) level 0
[  445.192465] 		shared block backref parent 1244377088
[  445.192465] 	item 32 key (8302137344 a8 4096) itemoff 2303 itemsize 51
[  445.192466] 		extent refs 1 gen 383680 flags 2
[  445.192466] 		tree block key (5220 0 0) level 0
[  445.192466] 		shared block backref parent 1244377088
[  445.192467] ------------[ cut here ]------------
[  445.192471] WARNING: CPU: 0 PID: 1608 at /home/abuild/rpmbuild/BUILD/kernel-default-3.11.6/linux-3.11/fs/btrfs/extent-tree.c:5702 __btrfs_free_extent+0x664/0xb00 [btrfs]()
[  445.192490] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  445.192490] CPU: 0 PID: 1608 Comm: btrfs-transacti Tainted: G        W    3.11.6-4-default #1
[  445.192491] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  445.192492]  0000000000000009 ffffffff81560e30 0000000000000000 ffffffff8104fb82
[  445.192493]  ffff8802b0f06760 00000001eedca000 0000000000000000 ffff8803f38b9ef0
[  445.192496]  0000000000000000 ffffffffa04528a4 0000000000000000 0000000000000005
[  445.192497] Call Trace:
[  445.192499]  [<ffffffff81004868>] dump_trace+0x78/0x2c0
[  445.192500]  [<ffffffff81004b3f>] show_stack_log_lvl+0x8f/0x170
[  445.192502]  [<ffffffff81005e0c>] show_stack+0x1c/0x50
[  445.192503]  [<ffffffff81560e30>] dump_stack+0x41/0x51
[  445.192505]  [<ffffffff8104fb82>] warn_slowpath_common+0x72/0x90
[  445.192509]  [<ffffffffa04528a4>] __btrfs_free_extent+0x664/0xb00 [btrfs]
[  445.192530]  [<ffffffffa04569e5>] run_clustered_refs+0x765/0xdd0 [btrfs]
[  445.192543]  [<ffffffffa045b540>] btrfs_run_delayed_refs+0xd0/0x520 [btrfs]
[  445.192557]  [<ffffffffa046ae54>] btrfs_commit_transaction+0x44/0x970 [btrfs]
[  445.192575]  [<ffffffffa0462c55>] transaction_kthread+0x175/0x210 [btrfs]
[  445.192589]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  445.192590]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  445.192591] ---[ end trace 37569ae59e055593 ]---
[  445.192592] BTRFS error (device sda2): unable to find ref byte nr 8302403584 parent 0 root 5  owner 0 offset 0
[  445.192600] ------------[ cut here ]------------
[  445.192601] kernel BUG at /home/abuild/rpmbuild/BUILD/kernel-default-3.11.6/linux-3.11/fs/btrfs/extent_io.h:297!
[  445.192602] invalid opcode: 0000 [#1] SMP 
[  445.192612] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  445.192612] CPU: 0 PID: 1608 Comm: btrfs-transacti Tainted: G        W    3.11.6-4-default #1
[  445.192613] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  445.192614] task: ffff880405c9e640 ti: ffff8804077b2000 task.ti: ffff8804077b2000
[  445.192620] RIP: 0010:[<ffffffffa048c2ad>]  [<ffffffffa048c2ad>] memmove_extent_buffer+0x19d/0x230 [btrfs]
[  445.192621] RSP: 0018:ffff8804077b3af8  EFLAGS: 00010206
[  445.192621] RAX: 0000000000000000 RBX: 0000000000000033 RCX: ffff880000000000
[  445.192621] RDX: 0000000000000000 RSI: 000fffffffffffff RDI: 0000000000000fcd
[  445.192622] RBP: fffffffffffff69c R08: 6db6db6db6db6db7 R09: 0000160000000000
[  445.192623] R10: 0000000000000000 R11: 00000000ebe57ba0 R12: 0000000000000032
[  445.192623] R13: ffffffffffffffff R14: ffff8803f396a0a0 R15: 0000000000000000
[  445.192624] FS:  0000000000000000(0000) GS:ffff88041fa00000(0000) knlGS:0000000000000000
[  445.192624] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  445.192625] CR2: 000000000108ba90 CR3: 0000000001c0e000 CR4: 00000000001407f0
[  445.192625] Stack:
[  445.192626]  0000160000000000 6db6db6db6db6db7 ffff880000000000 ffff8803f396a0a0
[  445.192627]  0000000000000033 0000000000000022 0000000000000021 0000000000000001
[  445.192629]  00000000000008cc ffffffffa044beeb ffff8804077b3bd0 ffff880405d7c000
[  445.192629] Call Trace:
[  445.192658]  [<ffffffffa044beeb>] btrfs_del_items+0x25b/0x4c0 [btrfs]
[  445.192668]  [<ffffffffa0452927>] __btrfs_free_extent+0x6e7/0xb00 [btrfs]
[  445.192680]  [<ffffffffa04569e5>] run_clustered_refs+0x765/0xdd0 [btrfs]
[  445.192693]  [<ffffffffa045b540>] btrfs_run_delayed_refs+0xd0/0x520 [btrfs]
[  445.192707]  [<ffffffffa046ae54>] btrfs_commit_transaction+0x44/0x970 [btrfs]
[  445.192726]  [<ffffffffa0462c55>] transaction_kthread+0x175/0x210 [btrfs]
[  445.192739]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  445.192741]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  445.192751] Code: ee 0c 48 83 c7 01 48 89 d3 48 c1 e8 0c 48 39 d7 48 0f 46 df 48 39 eb 48 0f 47 dd 48 29 df 48 29 da 48 83 fe 0f 0f 86 2b ff ff ff <0f> 0b 90 48 8d 34 38 48 8d 3c 10 48 89 da 48 89 4c 24 10 4c 89 
[  445.192756] RIP  [<ffffffffa048c2ad>] memmove_extent_buffer+0x19d/0x230 [btrfs]
[  445.192757]  RSP <ffff8804077b3af8>
[  445.192758] ---[ end trace 37569ae59e055594 ]---
[  475.698792] BUG: soft lockup - CPU#4 stuck for 23s! [kworker/u16:7:104]
[  475.698800] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  475.698846] CPU: 4 PID: 104 Comm: kworker/u16:7 Tainted: G      D W    3.11.6-4-default #1
[  475.698849] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  475.698855] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
[  475.698857] task: ffff88040513a2c0 ti: ffff88040513c000 task.ti: ffff88040513c000
[  475.698859] RIP: 0010:[<ffffffff812ca327>]  [<ffffffff812ca327>] __write_lock_failed+0x7/0x20
[  475.698864] RSP: 0018:ffff88040513daa0  EFLAGS: 00000287
[  475.698866] RAX: 0000000000000000 RBX: 0000000000001000 RCX: 0000000000000003
[  475.698868] RDX: 0000000000000000 RSI: ffff8803d1eaa354 RDI: ffff8803d1eaa390
[  475.698870] RBP: 0000000000000000 R08: ca40000000000000 R09: a800164865200000
[  475.698872] R10: 57ffd3b7a0721948 R11: 000000000000000b R12: ffff880404e4b8b0
[  475.698874] R13: ffff8804057e4cd0 R14: 000000000089eee0 R15: 0000000000000000
[  475.698876] FS:  0000000000000000(0000) GS:ffff88041fb00000(0000) knlGS:0000000000000000
[  475.698878] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  475.698880] CR2: 000000000069c538 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  475.698883] Stack:
[  475.698884]  ffffffff8156712e ffffffffa049e951 ffffea0005921980 ffffffffa048a54b
[  475.698887]  ffff88041ec03380 ffff88040513db60 ffffffffa0484600 0000000000000000
[  475.698890]  0000000000000000 0000000000000000 ffff88040513dc08 ffff880404e4bc28
[  475.698893] Call Trace:
[  475.698900]  [<ffffffff8156712e>] _raw_write_lock+0xe/0x10
[  475.698913]  [<ffffffffa049e951>] btrfs_try_tree_write_lock+0x21/0x70 [btrfs]
[  475.698956]  [<ffffffffa048a54b>] btree_write_cache_pages+0x25b/0x820 [btrfs]
[  475.698983]  [<ffffffff811a0184>] __writeback_single_inode+0x34/0x210
[  475.698987]  [<ffffffff811a0dac>] writeback_sb_inodes+0x19c/0x3d0
[  475.698991]  [<ffffffff811a106e>] __writeback_inodes_wb+0x8e/0xc0
[  475.698994]  [<ffffffff811a12e3>] wb_writeback+0x243/0x2d0
[  475.698998]  [<ffffffff811a2cbc>] bdi_writeback_workfn+0x1ac/0x3b0
[  475.699002]  [<ffffffff810687fd>] process_one_work+0x16d/0x420
[  475.699005]  [<ffffffff810693c6>] worker_thread+0x116/0x3b0
[  475.699009]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  475.699013]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  475.699016] Code: 0c 66 66 90 48 89 01 31 c0 66 66 90 c3 b8 f2 ff ff ff 66 66 90 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f0 81 07 00 00 10 00 <f3> 90 81 3f 00 00 10 00 75 f6 f0 81 2f 00 00 10 00 75 e6 c3 0f 
[  479.694901] BUG: soft lockup - CPU#6 stuck for 22s! [btrfs-delayed-m:1597]
[  479.694906] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  479.694948] CPU: 6 PID: 1597 Comm: btrfs-delayed-m Tainted: G      D W    3.11.6-4-default #1
[  479.694951] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  479.694953] task: ffff8803fe190380 ti: ffff8803fe3fc000 task.ti: ffff8803fe3fc000
[  479.694955] RIP: 0010:[<ffffffff812ca348>]  [<ffffffff812ca348>] __read_lock_failed+0x8/0x10
[  479.694959] RSP: 0018:ffff8803fe3fda60  EFLAGS: 00000297
[  479.694961] RAX: 0000000197750000 RBX: 0000000000001000 RCX: 0000000000000001
[  479.694963] RDX: ffff880000000000 RSI: ffff8803d1eaa320 RDI: ffff8803d1eaa390
[  479.694966] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8802785ba280
[  479.694968] R10: 000000000000001f R11: 0000000000000000 R12: ffff8803fe3fdad8
[  479.694970] R13: 00000000000004c7 R14: ffffffffa0466a6d R15: ffff880405d7c000
[  479.694972] FS:  0000000000000000(0000) GS:ffff88041fb80000(0000) knlGS:0000000000000000
[  479.694974] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  479.694976] CR2: 00007fb737ed7000 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  479.694978] Stack:
[  479.694980]  ffffffff815670ca ffffffffa049e901 ffff8802b0f06640 0000000000000001
[  479.694983]  ffffffffa0449fc6 ffff8803fe3fdb57 0000000000000000 ffffffff00000001
[  479.694986]  0000000100000000 ffff880404fa6ef0 ffff880200a82978 0000000000000206
[  479.694989] Call Trace:
[  479.694994]  [<ffffffff815670ca>] _raw_read_lock+0xa/0x10
[  479.695004]  [<ffffffffa049e901>] btrfs_try_tree_read_lock+0x21/0x50 [btrfs]
[  479.695041]  [<ffffffffa0449fc6>] btrfs_search_slot+0x816/0x9b0 [btrfs]
[  479.695053]  [<ffffffffa04535a5>] btrfs_lookup_extent_info+0x95/0x460 [btrfs]
[  479.695066]  [<ffffffffa04452df>] update_ref_for_cow+0x1cf/0x3d0 [btrfs]
[  479.695077]  [<ffffffffa0445726>] __btrfs_cow_block+0x246/0x570 [btrfs]
[  479.695087]  [<ffffffffa0445bf8>] btrfs_cow_block+0x118/0x1c0 [btrfs]
[  479.695097]  [<ffffffffa0449c05>] btrfs_search_slot+0x455/0x9b0 [btrfs]
[  479.695109]  [<ffffffffa0461645>] btrfs_lookup_inode+0x25/0xa0 [btrfs]
[  479.695128]  [<ffffffffa04b7e3b>] __btrfs_update_delayed_inode+0x3b/0xe0 [btrfs]
[  479.695169]  [<ffffffffa04b80db>] btrfs_async_run_delayed_root+0x1fb/0x220 [btrfs]
[  479.695210]  [<ffffffffa0497310>] worker_loop+0x140/0x520 [btrfs]
[  479.695239]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  479.695243]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  479.695246] Code: 90 90 90 f0 81 07 00 00 10 00 f3 90 81 3f 00 00 10 00 75 f6 f0 81 2f 00 00 10 00 75 e6 c3 0f 1f 44 00 00 f0 ff 07 f3 90 83 3f 01 <78> f9 f0 ff 0f 78 f1 c3 57 56 51 41 50 41 51 41 52 41 53 52 48 
[  503.671554] BUG: soft lockup - CPU#4 stuck for 23s! [kworker/u16:7:104]
[  503.671563] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  503.671609] CPU: 4 PID: 104 Comm: kworker/u16:7 Tainted: G      D W    3.11.6-4-default #1
[  503.671612] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  503.671617] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
[  503.671620] task: ffff88040513a2c0 ti: ffff88040513c000 task.ti: ffff88040513c000
[  503.671622] RIP: 0010:[<ffffffff812ca32f>]  [<ffffffff812ca32f>] __write_lock_failed+0xf/0x20
[  503.671627] RSP: 0018:ffff88040513daa0  EFLAGS: 00000287
[  503.671629] RAX: 0000000000000000 RBX: 0000000000001000 RCX: 0000000000000003
[  503.671631] RDX: 0000000000000000 RSI: ffff8803d1eaa354 RDI: ffff8803d1eaa390
[  503.671633] RBP: 0000000000000000 R08: ca40000000000000 R09: a800164865200000
[  503.671635] R10: 57ffd3b7a0721948 R11: 000000000000000b R12: ffff880404e4b8b0
[  503.671637] R13: ffff8804057e4cd0 R14: 000000000089eee0 R15: 0000000000000000
[  503.671639] FS:  0000000000000000(0000) GS:ffff88041fb00000(0000) knlGS:0000000000000000
[  503.671641] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  503.671643] CR2: 000000000069c538 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  503.671645] Stack:
[  503.671647]  ffffffff8156712e ffffffffa049e951 ffffea0005921980 ffffffffa048a54b
[  503.671650]  ffff88041ec03380 ffff88040513db60 ffffffffa0484600 0000000000000000
[  503.671653]  0000000000000000 0000000000000000 ffff88040513dc08 ffff880404e4bc28
[  503.671656] Call Trace:
[  503.671663]  [<ffffffff8156712e>] _raw_write_lock+0xe/0x10
[  503.671676]  [<ffffffffa049e951>] btrfs_try_tree_write_lock+0x21/0x70 [btrfs]
[  503.671721]  [<ffffffffa048a54b>] btree_write_cache_pages+0x25b/0x820 [btrfs]
[  503.671748]  [<ffffffff811a0184>] __writeback_single_inode+0x34/0x210
[  503.671751]  [<ffffffff811a0dac>] writeback_sb_inodes+0x19c/0x3d0
[  503.671755]  [<ffffffff811a106e>] __writeback_inodes_wb+0x8e/0xc0
[  503.671759]  [<ffffffff811a12e3>] wb_writeback+0x243/0x2d0
[  503.671763]  [<ffffffff811a2cbc>] bdi_writeback_workfn+0x1ac/0x3b0
[  503.671766]  [<ffffffff810687fd>] process_one_work+0x16d/0x420
[  503.671770]  [<ffffffff810693c6>] worker_thread+0x116/0x3b0
[  503.671773]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  503.671777]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  503.671780] Code: c0 66 66 90 c3 b8 f2 ff ff ff 66 66 90 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f0 81 07 00 00 10 00 f3 90 81 3f 00 00 10 00 <75> f6 f0 81 2f 00 00 10 00 75 e6 c3 0f 1f 44 00 00 f0 ff 07 f3 
[  507.667663] BUG: soft lockup - CPU#6 stuck for 22s! [btrfs-delayed-m:1597]
[  507.667670] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  507.667711] CPU: 6 PID: 1597 Comm: btrfs-delayed-m Tainted: G      D W    3.11.6-4-default #1
[  507.667713] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  507.667716] task: ffff8803fe190380 ti: ffff8803fe3fc000 task.ti: ffff8803fe3fc000
[  507.667718] RIP: 0010:[<ffffffff812ca345>]  [<ffffffff812ca345>] __read_lock_failed+0x5/0x10
[  507.667722] RSP: 0018:ffff8803fe3fda60  EFLAGS: 00000297
[  507.667724] RAX: 0000000197750000 RBX: 0000000000001000 RCX: 0000000000000001
[  507.667726] RDX: ffff880000000000 RSI: ffff8803d1eaa320 RDI: ffff8803d1eaa390
[  507.667728] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8802785ba280
[  507.667730] R10: 000000000000001f R11: 0000000000000000 R12: ffff8803fe3fdad8
[  507.667732] R13: 00000000000004c7 R14: ffffffffa0466a6d R15: ffff880405d7c000
[  507.667734] FS:  0000000000000000(0000) GS:ffff88041fb80000(0000) knlGS:0000000000000000
[  507.667737] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  507.667739] CR2: 00007fb737ed7000 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  507.667741] Stack:
[  507.667742]  ffffffff815670ca ffffffffa049e901 ffff8802b0f06640 0000000000000001
[  507.667745]  ffffffffa0449fc6 ffff8803fe3fdb57 0000000000000000 ffffffff00000001
[  507.667748]  0000000100000000 ffff880404fa6ef0 ffff880200a82978 0000000000000206
[  507.667751] Call Trace:
[  507.667756]  [<ffffffff815670ca>] _raw_read_lock+0xa/0x10
[  507.667766]  [<ffffffffa049e901>] btrfs_try_tree_read_lock+0x21/0x50 [btrfs]
[  507.667802]  [<ffffffffa0449fc6>] btrfs_search_slot+0x816/0x9b0 [btrfs]
[  507.667814]  [<ffffffffa04535a5>] btrfs_lookup_extent_info+0x95/0x460 [btrfs]
[  507.667827]  [<ffffffffa04452df>] update_ref_for_cow+0x1cf/0x3d0 [btrfs]
[  507.667836]  [<ffffffffa0445726>] __btrfs_cow_block+0x246/0x570 [btrfs]
[  507.667854]  [<ffffffffa0445bf8>] btrfs_cow_block+0x118/0x1c0 [btrfs]
[  507.667867]  [<ffffffffa0449c05>] btrfs_search_slot+0x455/0x9b0 [btrfs]
[  507.667879]  [<ffffffffa0461645>] btrfs_lookup_inode+0x25/0xa0 [btrfs]
[  507.667911]  [<ffffffffa04b7e3b>] __btrfs_update_delayed_inode+0x3b/0xe0 [btrfs]
[  507.667952]  [<ffffffffa04b80db>] btrfs_async_run_delayed_root+0x1fb/0x220 [btrfs]
[  507.667994]  [<ffffffffa0497310>] worker_loop+0x140/0x520 [btrfs]
[  507.668023]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  507.668027]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  507.668029] Code: 90 90 90 90 90 90 f0 81 07 00 00 10 00 f3 90 81 3f 00 00 10 00 75 f6 f0 81 2f 00 00 10 00 75 e6 c3 0f 1f 44 00 00 f0 ff 07 f3 90 <83> 3f 01 78 f9 f0 ff 0f 78 f1 c3 57 56 51 41 50 41 51 41 52 41 
[  511.100320] INFO: rcu_sched self-detected stall on CPU { 4}  (t=15000 jiffies g=6230 c=6229 q=0)
[  511.100327] sending NMI to all CPUs:
[  511.100332] NMI backtrace for cpu 4
[  511.100344] CPU: 4 PID: 104 Comm: kworker/u16:7 Tainted: G      D W    3.11.6-4-default #1
[  511.100347] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  511.100352] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
[  511.100356] task: ffff88040513a2c0 ti: ffff88040513c000 task.ti: ffff88040513c000
[  511.100359] RIP: 0010:[<ffffffff812ce3fd>]  [<ffffffff812ce3fd>] find_next_bit+0x9d/0xd0
[  511.100365] RSP: 0018:ffff88041fb03df0  EFLAGS: 00000046
[  511.100368] RAX: 0000000000000000 RBX: ffff88041fb0cfe0 RCX: 0000000000000001
[  511.100372] RDX: 0000000000000001 RSI: 0000000000000200 RDI: 0000000000000000
[  511.100375] RBP: ffff88041fa0d020 R08: ffff88041fb0cfe0 R09: 0000000000000008
[  511.100379] R10: 0000000000000000 R11: ffff88041fb03bb6 R12: 000000000000d060
[  511.100383] R13: 0000000000080000 R14: 00000000000000ff R15: 0000000000000004
[  511.100386] FS:  0000000000000000(0000) GS:ffff88041fb00000(0000) knlGS:0000000000000000
[  511.100390] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  511.100394] CR2: 000000000069c538 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  511.100397] Stack:
[  511.100399]  ffffffff81034cd7 0000000000000008 000000000000d020 0000000200000004
[  511.100404]  0000000000000082 0000000000002710 ffffffff81c41880 ffffffff81c41880
[  511.100409]  ffff88040513c000 0000000000000000 ffff88041fb0e360 ffffffff810302ce
[  511.100414] Call Trace:
[  511.100421]  [<ffffffff81034cd7>] __x2apic_send_IPI_mask+0xb7/0x190
[  511.100427]  [<ffffffff810302ce>] arch_trigger_all_cpu_backtrace+0x4e/0x80
[  511.100433]  [<ffffffff810e78b1>] rcu_check_callbacks+0x301/0x5e0
[  511.100441]  [<ffffffff8105cc5b>] update_process_times+0x3b/0x70
[  511.100447]  [<ffffffff810a772b>] tick_sched_handle.isra.15+0x1b/0x60
[  511.100453]  [<ffffffff810a77a7>] tick_sched_timer+0x37/0x60
[  511.100458]  [<ffffffff81072c52>] __run_hrtimer+0x62/0x1b0
[  511.100463]  [<ffffffff81073409>] hrtimer_interrupt+0xe9/0x220
[  511.100470]  [<ffffffff8102e906>] smp_apic_timer_interrupt+0x36/0x50
[  511.100476]  [<ffffffff8156fcdd>] apic_timer_interrupt+0x6d/0x80
[  511.100483]  [<ffffffff812ca32f>] __write_lock_failed+0xf/0x20
[  511.100488]  [<ffffffff8156712e>] _raw_write_lock+0xe/0x10
[  511.100503]  [<ffffffffa049e951>] btrfs_try_tree_write_lock+0x21/0x70 [btrfs]
[  511.100584]  [<ffffffffa048a54b>] btree_write_cache_pages+0x25b/0x820 [btrfs]
[  511.100645]  [<ffffffff811a0184>] __writeback_single_inode+0x34/0x210
[  511.100651]  [<ffffffff811a0dac>] writeback_sb_inodes+0x19c/0x3d0
[  511.100657]  [<ffffffff811a106e>] __writeback_inodes_wb+0x8e/0xc0
[  511.100663]  [<ffffffff811a12e3>] wb_writeback+0x243/0x2d0
[  511.100669]  [<ffffffff811a2cbc>] bdi_writeback_workfn+0x1ac/0x3b0
[  511.100674]  [<ffffffff810687fd>] process_one_work+0x16d/0x420
[  511.100679]  [<ffffffff810693c6>] worker_thread+0x116/0x3b0
[  511.100684]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  511.100689]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  511.100694] Code: ff ff ff 29 f1 48 d3 ea 48 21 d0 74 41 f3 48 0f bc c0 48 01 f8 f3 c3 0f 1f 80 00 00 00 00 48 c7 c0 ff ff ff ff 48 d3 e0 49 23 00 <48> 83 fe 3f 76 c6 48 85 c0 75 d7 49 83 c0 08 48 83 ee 40 48 83 
[  511.100719] NMI backtrace for cpu 6
[  511.100725] CPU: 6 PID: 1597 Comm: btrfs-delayed-m Tainted: G      D W    3.11.6-4-default #1
[  511.100728] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  511.100732] task: ffff8803fe190380 ti: ffff8803fe3fc000 task.ti: ffff8803fe3fc000
[  511.100735] RIP: 0010:[<ffffffff812ca348>]  [<ffffffff812ca348>] __read_lock_failed+0x8/0x10
[  511.100740] RSP: 0018:ffff8803fe3fda60  EFLAGS: 00000297
[  511.100743] RAX: 0000000197750000 RBX: ffff8803d1eaa320 RCX: 0000000000000001
[  511.100746] RDX: ffff880000000000 RSI: ffff8803d1eaa320 RDI: ffff8803d1eaa390
[  511.100749] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8802785ba280
[  511.100752] R10: 000000000000001f R11: 0000000000000000 R12: ffff8802b0f06648
[  511.100755] R13: ffff880405d7c000 R14: 0000000000000002 R15: 0000000000000000
[  511.100758] FS:  0000000000000000(0000) GS:ffff88041fb80000(0000) knlGS:0000000000000000
[  511.100762] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  511.100765] CR2: 00007fb737ed7000 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  511.100768] Stack:
[  511.100770]  ffffffff815670ca ffffffffa049e901 ffff8802b0f06640 0000000000000001
[  511.100775]  ffffffffa0449fc6 ffff8803fe3fdb57 0000000000000000 ffffffff00000001
[  511.100779]  0000000100000000 ffff880404fa6ef0 ffff880200a82978 0000000000000206
[  511.100784] Call Trace:
[  511.100789]  [<ffffffff815670ca>] _raw_read_lock+0xa/0x10
[  511.100800]  [<ffffffffa049e901>] btrfs_try_tree_read_lock+0x21/0x50 [btrfs]
[  511.100877]  [<ffffffffa0449fc6>] btrfs_search_slot+0x816/0x9b0 [btrfs]
[  511.100900]  [<ffffffffa04535a5>] btrfs_lookup_extent_info+0x95/0x460 [btrfs]
[  511.100928]  [<ffffffffa04452df>] update_ref_for_cow+0x1cf/0x3d0 [btrfs]
[  511.100949]  [<ffffffffa0445726>] __btrfs_cow_block+0x246/0x570 [btrfs]
[  511.100969]  [<ffffffffa0445bf8>] btrfs_cow_block+0x118/0x1c0 [btrfs]
[  511.100989]  [<ffffffffa0449c05>] btrfs_search_slot+0x455/0x9b0 [btrfs]
[  511.101013]  [<ffffffffa0461645>] btrfs_lookup_inode+0x25/0xa0 [btrfs]
[  511.101051]  [<ffffffffa04b7e3b>] __btrfs_update_delayed_inode+0x3b/0xe0 [btrfs]
[  511.101144]  [<ffffffffa04b80db>] btrfs_async_run_delayed_root+0x1fb/0x220 [btrfs]
[  511.101239]  [<ffffffffa0497310>] worker_loop+0x140/0x520 [btrfs]
[  511.101290]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  511.101296]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  511.101300] Code: 90 90 90 f0 81 07 00 00 10 00 f3 90 81 3f 00 00 10 00 75 f6 f0 81 2f 00 00 10 00 75 e6 c3 0f 1f 44 00 00 f0 ff 07 f3 90 83 3f 01 <78> f9 f0 ff 0f 78 f1 c3 57 56 51 41 50 41 51 41 52 41 53 52 48 
[  511.101325] NMI backtrace for cpu 2
[  511.101329] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G      D W    3.11.6-4-default #1
[  511.101332] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  511.101336] task: ffff88040b694700 ti: ffff88040b696000 task.ti: ffff88040b696000
[  511.101339] RIP: 0010:[<ffffffff8131dcf1>]  [<ffffffff8131dcf1>] intel_idle+0xa1/0xf0
[  511.101344] RSP: 0018:ffff88040b697e50  EFLAGS: 00000046
[  511.101347] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
[  511.101350] RDX: 0000000000000000 RSI: ffffffff81c66c60 RDI: 0000000000000002
[  511.101353] RBP: 0000000000000004 R08: 000000000000002d R09: 0000000000000018
[  511.101356] R10: 00000000001183d0 R11: ffff88040b72d028 R12: 0000000000000020
[  511.101359] R13: 0000000000000003 R14: 0000000000000004 R15: ffffffff81c66dd8
[  511.101363] FS:  0000000000000000(0000) GS:ffff88041fa80000(0000) knlGS:0000000000000000
[  511.101366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  511.101369] CR2: 00000000014e1000 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  511.101372] Stack:
[  511.101374]  0000000281009875 ffff88041fa9a100 ffff88040b697ea8 ffffffff81c66c60
[  511.101379]  00000076fa73cf46 ffffffff8143e5ab 0000000000000004 0000000000000004
[  511.101383]  0000000000000000 ffffffff81c66c60 0000000000000002 ffff88041fa9a100
[  511.101388] Call Trace:
[  511.101394]  [<ffffffff8143e5ab>] cpuidle_enter_state+0x3b/0xc0
[  511.101400]  [<ffffffff8143e6ea>] cpuidle_idle_call+0xba/0x1f0
[  511.101406]  [<ffffffff8100b2e5>] arch_cpu_idle+0x5/0x30
[  511.101412]  [<ffffffff8109db28>] cpu_startup_entry+0xc8/0x260
[  511.101418]  [<ffffffff8102c988>] start_secondary+0x208/0x2b0
[  511.101422] Code: 31 d2 48 83 c0 10 48 89 d1 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b9 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <85> 1d 59 8f 94 00 75 0f 48 8d 74 24 04 bf 05 00 00 00 e8 88 78 
[  511.101446] NMI backtrace for cpu 0
[  511.101448] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 1.114 msecs
[  511.101457] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G      D W    3.11.6-4-default #1
[  511.101460] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  511.101464] task: ffffffff81c13440 ti: ffffffff81c00000 task.ti: ffffffff81c00000
[  511.101467] RIP: 0010:[<ffffffff8131dcf1>]  [<ffffffff8131dcf1>] intel_idle+0xa1/0xf0
[  511.101472] RSP: 0018:ffffffff81c01e88  EFLAGS: 00000046
[  511.101475] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
[  511.101479] RDX: 0000000000000000 RSI: ffffffff81c66c60 RDI: 0000000000000000
[  511.101483] RBP: 0000000000000004 R08: 0000000000030d36 R09: 0000000000000008
[  511.101486] R10: 0000000000000f96 R11: 0000000000000000 R12: 0000000000000020
[  511.101489] R13: 0000000000000003 R14: 0000000000000004 R15: ffffffff81c66dd8
[  511.101493] FS:  0000000000000000(0000) GS:ffff88041fa00000(0000) knlGS:0000000000000000
[  511.101496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  511.101500] CR2: 000000000108ba90 CR3: 0000000001c0e000 CR4: 00000000001407f0
[  511.101503] Stack:
[  511.101505]  0000000081009875 ffff88041fa1a100 ffffffff81c01ee0 ffffffff81c66c60
[  511.101510]  000000771d42927c ffffffff8143e5ab 0000000000000004 0000000000000004
[  511.101514]  0000000000000000 ffffffff81c66c60 0000000000000000 ffff88041fa1a100
[  511.101519] Call Trace:
[  511.101525]  [<ffffffff8143e5ab>] cpuidle_enter_state+0x3b/0xc0
[  511.101530]  [<ffffffff8143e6ea>] cpuidle_idle_call+0xba/0x1f0
[  511.101535]  [<ffffffff8100b2e5>] arch_cpu_idle+0x5/0x30
[  511.101540]  [<ffffffff8109db28>] cpu_startup_entry+0xc8/0x260
[  511.101547]  [<ffffffff81cd0ea6>] start_kernel+0x434/0x43f
[  511.101552]  [<ffffffff81cd06b0>] x86_64_start_kernel+0x10c/0x11b
[  511.101556] Code: 31 d2 48 83 c0 10 48 89 d1 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b9 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <85> 1d 59 8f 94 00 75 0f 48 8d 74 24 04 bf 05 00 00 00 e8 88 78 
[  511.101582] NMI backtrace for cpu 1
[  511.101584] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 1.249 msecs
[  511.101594] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G      D W    3.11.6-4-default #1
[  511.101597] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  511.101601] task: ffff88040b6906c0 ti: ffff88040b692000 task.ti: ffff88040b692000
[  511.101604] RIP: 0010:[<ffffffff8131dcf1>]  [<ffffffff8131dcf1>] intel_idle+0xa1/0xf0
[  511.101609] RSP: 0018:ffff88040b693e50  EFLAGS: 00000046
[  511.101612] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
[  511.101615] RDX: 0000000000000000 RSI: ffffffff81c66c60 RDI: 0000000000000001
[  511.101618] RBP: 0000000000000004 R08: 0000000000000f95 R09: ffff88041fa504f8
[  511.101621] R10: 7fffffffffffffff R11: 0000000000000000 R12: 0000000000000020
[  511.101624] R13: 0000000000000003 R14: 0000000000000004 R15: ffffffff81c66dd8
[  511.101628] FS:  0000000000000000(0000) GS:ffff88041fa40000(0000) knlGS:0000000000000000
[  511.101631] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  511.101634] CR2: 00007f37e6f11a10 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  511.101637] Stack:
[  511.101640]  0000000181009875 ffff88041fa5a100 ffff88040b693ea8 ffffffff81c66c60
[  511.101645]  000000771d4296da ffffffff8143e5ab 0000000000000004 0000000000000004
[  511.101650]  0000000000000000 ffffffff81c66c60 0000000000000001 ffff88041fa5a100
[  511.101655] Call Trace:
[  511.101661]  [<ffffffff8143e5ab>] cpuidle_enter_state+0x3b/0xc0
[  511.101667]  [<ffffffff8143e6ea>] cpuidle_idle_call+0xba/0x1f0
[  511.101673]  [<ffffffff8100b2e5>] arch_cpu_idle+0x5/0x30
[  511.101678]  [<ffffffff8109db28>] cpu_startup_entry+0xc8/0x260
[  511.101683]  [<ffffffff8102c988>] start_secondary+0x208/0x2b0
[  511.101687] Code: 31 d2 48 83 c0 10 48 89 d1 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b9 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <85> 1d 59 8f 94 00 75 0f 48 8d 74 24 04 bf 05 00 00 00 e8 88 78 
[  511.101713] NMI backtrace for cpu 5
[  511.101715] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 1.379 msecs
[  511.101721] CPU: 5 PID: 0 Comm: swapper/5 Tainted: G      D W    3.11.6-4-default #1
[  511.101723] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  511.101725] task: ffff88040b6a67c0 ti: ffff88040b6a8000 task.ti: ffff88040b6a8000
[  511.101727] RIP: 0010:[<ffffffff8131dcf1>]  [<ffffffff8131dcf1>] intel_idle+0xa1/0xf0
[  511.101730] RSP: 0018:ffff88040b6a9e50  EFLAGS: 00000046
[  511.101732] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
[  511.101735] RDX: 0000000000000000 RSI: ffffffff81c66c60 RDI: 0000000000000005
[  511.101737] RBP: 0000000000000004 R08: 000000000000005b R09: 0000000000000018
[  511.101739] R10: 00000000000f41df R11: 0000000000000000 R12: 0000000000000020
[  511.101741] R13: 0000000000000003 R14: 0000000000000004 R15: ffffffff81c66dd8
[  511.101744] FS:  0000000000000000(0000) GS:ffff88041fb40000(0000) knlGS:0000000000000000
[  511.101746] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  511.101748] CR2: 000000000069c538 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  511.101750] Stack:
[  511.101752]  0000000581009875 ffff88041fb5a100 ffff88040b6a9ea8 ffffffff81c66c60
[  511.101755]  00000076f9f94012 ffffffff8143e5ab 0000000000000004 0000000000000004
[  511.101758]  0000000000000000 ffffffff81c66c60 0000000000000005 ffff88041fb5a100
[  511.101761] Call Trace:
[  511.101765]  [<ffffffff8143e5ab>] cpuidle_enter_state+0x3b/0xc0
[  511.101769]  [<ffffffff8143e6ea>] cpuidle_idle_call+0xba/0x1f0
[  511.101773]  [<ffffffff8100b2e5>] arch_cpu_idle+0x5/0x30
[  511.101776]  [<ffffffff8109db28>] cpu_startup_entry+0xc8/0x260
[  511.101779]  [<ffffffff8102c988>] start_secondary+0x208/0x2b0
[  511.101782] Code: 31 d2 48 83 c0 10 48 89 d1 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b9 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <85> 1d 59 8f 94 00 75 0f 48 8d 74 24 04 bf 05 00 00 00 e8 88 78 
[  511.101799] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 1.465 msecs
[  511.101800] NMI backtrace for cpu 7
[  511.101802] CPU: 7 PID: 0 Comm: swapper/7 Tainted: G      D W    3.11.6-4-default #1
[  511.101802] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  511.101803] task: ffff88040b6b0040 ti: ffff88040b6b2000 task.ti: ffff88040b6b2000
[  511.101807] RIP: 0010:[<ffffffff8131dcf1>]  [<ffffffff8131dcf1>] intel_idle+0xa1/0xf0
[  511.101808] RSP: 0018:ffff88040b6b3e50  EFLAGS: 00000046
[  511.101808] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
[  511.101809] RDX: 0000000000000000 RSI: ffffffff81c66c60 RDI: 0000000001c0e000
[  511.101810] RBP: 0000000000000004 R08: 0000000000286799 R09: 0000000000000018
[  511.101810] R10: 00000000000d0017 R11: 0000000000000000 R12: 0000000000000020
[  511.101811] R13: 0000000000000003 R14: 0000000000000004 R15: ffffffff81c66dd8
[  511.101812] FS:  0000000000000000(0000) GS:ffff88041fbc0000(0000) knlGS:0000000000000000
[  511.101813] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  511.101814] CR2: 00007ff8b9057162 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  511.101814] Stack:
[  511.101816]  0000000781009875 ffff88041fbda100 ffff88040b6b3ea8 ffffffff81c66c60
[  511.101819]  00000076cd6a01c7 ffffffff8143e5ab 0000000000000004 0000000000000004
[  511.101821]  0000000000000000 ffffffff81c66c60 0000000000000007 ffff88041fbda100
[  511.101821] Call Trace:
[  511.101826]  [<ffffffff8143e5ab>] cpuidle_enter_state+0x3b/0xc0
[  511.101829]  [<ffffffff8143e6ea>] cpuidle_idle_call+0xba/0x1f0
[  511.101832]  [<ffffffff8100b2e5>] arch_cpu_idle+0x5/0x30
[  511.101834]  [<ffffffff8109db28>] cpu_startup_entry+0xc8/0x260
[  511.101837]  [<ffffffff8102c988>] start_secondary+0x208/0x2b0
[  511.101838] Code: 31 d2 48 83 c0 10 48 89 d1 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b9 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <85> 1d 59 8f 94 00 75 0f 48 8d 74 24 04 bf 05 00 00 00 e8 88 78 
[  511.101861] NMI backtrace for cpu 3
[  511.101863] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 1.511 msecs
[  511.101878] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G      D W    3.11.6-4-default #1
[  511.101880] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  511.101883] task: ffff88040b69a740 ti: ffff88040b69c000 task.ti: ffff88040b69c000
[  511.101885] RIP: 0010:[<ffffffff8131dcf1>]  [<ffffffff8131dcf1>] intel_idle+0xa1/0xf0
[  511.101889] RSP: 0018:ffff88040b69de50  EFLAGS: 00000046
[  511.101891] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
[  511.101893] RDX: 0000000000000000 RSI: ffffffff81c66c60 RDI: 0000000000000003
[  511.101895] RBP: 0000000000000004 R08: 0000000000000002 R09: 0000000000000008
[  511.101897] R10: 0000000000000f93 R11: 0000000000000000 R12: 0000000000000020
[  511.101899] R13: 0000000000000003 R14: 0000000000000004 R15: ffffffff81c66dd8
[  511.101901] FS:  0000000000000000(0000) GS:ffff88041fac0000(0000) knlGS:0000000000000000
[  511.101904] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  511.101906] CR2: 00007fab7945a000 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  511.101908] Stack:
[  511.101909]  0000000381009875 ffff88041fada100 ffff88040b69dea8 ffffffff81c66c60
[  511.101913]  000000771840d35e ffffffff8143e5ab 0000000000000004 0000000000000004
[  511.101916]  0000000000000000 ffffffff81c66c60 0000000000000003 ffff88041fada100
[  511.101919] Call Trace:
[  511.101922]  [<ffffffff8143e5ab>] cpuidle_enter_state+0x3b/0xc0
[  511.101926]  [<ffffffff8143e6ea>] cpuidle_idle_call+0xba/0x1f0
[  511.101929]  [<ffffffff8100b2e5>] arch_cpu_idle+0x5/0x30
[  511.101933]  [<ffffffff8109db28>] cpu_startup_entry+0xc8/0x260
[  511.101936]  [<ffffffff8102c988>] start_secondary+0x208/0x2b0
[  511.101939] Code: 31 d2 48 83 c0 10 48 89 d1 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b9 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <85> 1d 59 8f 94 00 75 0f 48 8d 74 24 04 bf 05 00 00 00 e8 88 78 
[  511.101956] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 1.605 msecs
[  535.640426] BUG: soft lockup - CPU#4 stuck for 22s! [kworker/u16:7:104]
[  535.640427] BUG: soft lockup - CPU#6 stuck for 22s! [btrfs-delayed-m:1597]
[  535.640435] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc
[  535.640435] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill i915
[  535.640442]  eeepc_wmi
[  535.640442]  asus_wmi
[  535.640443]  sparse_keymap
[  535.640443]  rfkill
[  535.640443]  i915
[  535.640443]  crc32_pclmul
[  535.640443]  drm_kms_helper
[  535.640444]  crc32c_intel
[  535.640444]  ghash_clmulni_intel
[  535.640444]  drm
[  535.640453]  xhci_hcd
[  535.640453]  aesni_intel
[  535.640453]  ablk_helper
[  535.640454]  e1000
[  535.640454]  cryptd
[  535.640454]  lrw
[  535.640455]  ehci_pci
[  535.640455]  ehci_hcd
[  535.640456]  gf128mul
[  535.640465]  usbcore
[  535.640465]  glue_helper
[  535.640466]  lpc_ich
[  535.640466]  aes_x86_64
[  535.640466]  mfd_core
[  535.640467]  sr_mod
[  535.640467]  cdrom
[  535.640467]  r8169
[  535.640468]  mii
[  535.640468]  usb_common
[  535.640469]  i2c_algo_bit
[  535.640469]  fan
[  535.640469]  thermal
[  535.640470]  mperf
[  535.640470]  button
[  535.640471]  video
[  535.640471]  wmi
[  535.640471]  processor
[  535.640472]  thermal_sys
[  535.640472]  edd
[  535.640472]  squashfs
[  535.640472]  loop

[  535.640474] CPU: 6 PID: 1597 Comm: btrfs-delayed-m Tainted: G      D W    3.11.6-4-default #1
[  535.640474] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  535.640475] task: ffff8803fe190380 ti: ffff8803fe3fc000 task.ti: ffff8803fe3fc000
[  535.640476] RIP: 0010:[<ffffffff812ca348>] 
[  535.640478]  [<ffffffff812ca348>] __read_lock_failed+0x8/0x10
[  535.640478] RSP: 0018:ffff8803fe3fda60  EFLAGS: 00000297
[  535.640479] RAX: 0000000197750000 RBX: 0000000000001000 RCX: 0000000000000001
[  535.640479] RDX: ffff880000000000 RSI: ffff8803d1eaa320 RDI: ffff8803d1eaa390
[  535.640480] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8802785ba280
[  535.640480] R10: 000000000000001f R11: 0000000000000000 R12: ffff8803fe3fdad8
[  535.640481] R13: 00000000000004c7 R14: ffffffffa0466a6d R15: ffff880405d7c000
[  535.640482] FS:  0000000000000000(0000) GS:ffff88041fb80000(0000) knlGS:0000000000000000
[  535.640482] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  535.640483] CR2: 00007fb737ed7000 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  535.640483] Stack:
[  535.640484]  ffffffff815670ca
[  535.640484]  ffffffffa049e901
[  535.640485]  ffff8802b0f06640
[  535.640485]  0000000000000001

[  535.640486]  ffffffffa0449fc6
[  535.640486]  ffff8803fe3fdb57
[  535.640486]  0000000000000000
[  535.640486]  ffffffff00000001

[  535.640487]  0000000100000000
[  535.640487]  ffff880404fa6ef0
[  535.640487]  ffff880200a82978
[  535.640488]  0000000000000206

[  535.640488] Call Trace:

[  535.640492]  [<ffffffff815670ca>] _raw_read_lock+0xa/0x10

[  535.640501]  [<ffffffffa049e901>] btrfs_try_tree_read_lock+0x21/0x50 [btrfs]
[  535.640532]  crc32_pclmul
[  535.640536]  [<ffffffffa0449fc6>] btrfs_search_slot+0x816/0x9b0 [btrfs]
[  535.640539]  drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore

[  535.640543]  glue_helper
[  535.640546]  lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  535.640548] CPU: 4 PID: 104 Comm: kworker/u16:7 Tainted: G      D W    3.11.6-4-default #1
[  535.640548] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  535.640550] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
[  535.640551] task: ffff88040513a2c0 ti: ffff88040513c000 task.ti: ffff88040513c000
[  535.640553] RIP: 0010:[<ffffffff812ca32f>]  [<ffffffff812ca32f>] __write_lock_failed+0xf/0x20
[  535.640554] RSP: 0018:ffff88040513daa0  EFLAGS: 00000287
[  535.640554] RAX: 0000000000000000 RBX: 0000000000001000 RCX: 0000000000000003
[  535.640555] RDX: 0000000000000000 RSI: ffff8803d1eaa354 RDI: ffff8803d1eaa390
[  535.640555] RBP: 0000000000000000 R08: ca40000000000000 R09: a800164865200000
[  535.640556] R10: 57ffd3b7a0721948 R11: 000000000000000b R12: ffff880404e4b8b0
[  535.640556] R13: ffff8804057e4cd0 R14: 000000000089eee0 R15: 0000000000000000
[  535.640557] FS:  0000000000000000(0000) GS:ffff88041fb00000(0000) knlGS:0000000000000000
[  535.640557] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  535.640558] CR2: 000000000069c538 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  535.640558] Stack:
[  535.640559]  ffffffff8156712e ffffffffa049e951 ffffea0005921980 ffffffffa048a54b
[  535.640560]  ffff88041ec03380 ffff88040513db60 ffffffffa0484600 0000000000000000
[  535.640561]  0000000000000000 0000000000000000 ffff88040513dc08 ffff880404e4bc28
[  535.640562] Call Trace:
[  535.640564]  [<ffffffff8156712e>] _raw_write_lock+0xe/0x10
[  535.640572]  [<ffffffffa049e951>] btrfs_try_tree_write_lock+0x21/0x70 [btrfs]
[  535.640596]  [<ffffffffa04535a5>] btrfs_lookup_extent_info+0x95/0x460 [btrfs]
[  535.640606]  [<ffffffffa048a54b>] btree_write_cache_pages+0x25b/0x820 [btrfs]
[  535.640610]  [<ffffffffa04452df>] update_ref_for_cow+0x1cf/0x3d0 [btrfs]
[  535.640619]  [<ffffffffa0445726>] __btrfs_cow_block+0x246/0x570 [btrfs]
[  535.640631]  [<ffffffffa0445bf8>] btrfs_cow_block+0x118/0x1c0 [btrfs]
[  535.640641]  [<ffffffffa0449c05>] btrfs_search_slot+0x455/0x9b0 [btrfs]
[  535.640643]  [<ffffffff811a0184>] __writeback_single_inode+0x34/0x210
[  535.640645]  [<ffffffff811a0dac>] writeback_sb_inodes+0x19c/0x3d0
[  535.640647]  [<ffffffff811a106e>] __writeback_inodes_wb+0x8e/0xc0
[  535.640648]  [<ffffffff811a12e3>] wb_writeback+0x243/0x2d0
[  535.640650]  [<ffffffff811a2cbc>] bdi_writeback_workfn+0x1ac/0x3b0
[  535.640652]  [<ffffffff810687fd>] process_one_work+0x16d/0x420
[  535.640653]  [<ffffffff810693c6>] worker_thread+0x116/0x3b0
[  535.640656]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  535.640658]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  535.640659] Code: c0 66 66 90 c3 b8 f2 ff ff ff 66 66 90 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f0 81 07 00 00 10 00 f3 90 81 3f 00 00 10 

[  535.640672]  [<ffffffffa0461645>] btrfs_lookup_inode+0x25/0xa0 [btrfs]
[  535.640674] 00 <75> f6 f0 81 2f 00 00 10 00 75 e6 c3 0f 1f 44 00 00 f0 ff 07 f3 
[  535.640691]  [<ffffffffa04b7e3b>] __btrfs_update_delayed_inode+0x3b/0xe0 [btrfs]
[  535.640766]  [<ffffffffa04b80db>] btrfs_async_run_delayed_root+0x1fb/0x220 [btrfs]
[  535.640842]  [<ffffffffa0497310>] worker_loop+0x140/0x520 [btrfs]
[  535.640898]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  535.640904]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  535.640908] Code: 90 90 90 f0 81 07 00 00 10 00 f3 90 81 3f 00 00 10 00 75 f6 f0 81 2f 00 00 10 00 75 e6 c3 0f 1f 44 00 00 f0 ff 07 f3 90 83 3f 01 <78> f9 f0 ff 0f 78 f1 c3 57 56 51 41 50 41 51 41 52 41 53 52 48 
[  563.613188] BUG: soft lockup - CPU#6 stuck for 22s! [btrfs-delayed-m:1597]
[  563.613190] BUG: soft lockup - CPU#4 stuck for 22s! [kworker/u16:7:104]
[  563.613191] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc
[  563.613199] Modules linked in:
[  563.613199]  btrfs
[  563.613200]  raid6_pq
[  563.613200]  zlib_deflate
[  563.613201]  xor
[  563.613201]  libcrc32c
[  563.613201]  dm_mod
[  563.613202]  nls_utf8
[  563.613202]  parport_pc
[  563.613202]  parport
[  563.613202]  arc4
[  563.613202]  ecb
[  563.613203]  nfs
[  563.613203]  lockd
[  563.613203]  fscache
[  563.613203]  nls_iso8859_1
[  563.613203]  hid_generic
[  563.613204]  nls_cp437
[  563.613204]  usbhid
[  563.613204]  af_packet
[  563.613205]  sg
[  563.613205]  st
[  563.613214]  usb_storage
[  563.613214]  sunrpc
[  563.613215]  eeepc_wmi
[  563.613215]  asus_wmi
[  563.613216]  sparse_keymap
[  563.613216]  rfkill
[  563.613216]  i915
[  563.613217]  crc32_pclmul
[  563.613226]  drm_kms_helper
[  563.613226]  crc32c_intel
[  563.613227]  ghash_clmulni_intel
[  563.613227]  drm
[  563.613228]  xhci_hcd
[  563.613228]  aesni_intel
[  563.613228]  ablk_helper
[  563.613229]  e1000
[  563.613229]  cryptd
[  563.613229]  lrw
[  563.613230]  ehci_pci
[  563.613230]  ehci_hcd
[  563.613231]  gf128mul
[  563.613231]  usbcore
[  563.613231]  glue_helper
[  563.613232]  lpc_ich
[  563.613232]  aes_x86_64
[  563.613233]  mfd_core
[  563.613233]  sr_mod
[  563.613233]  cdrom
[  563.613233]  r8169
[  563.613234]  mii
[  563.613234]  usb_common
[  563.613234]  i2c_algo_bit
[  563.613235]  fan
[  563.613235]  thermal
[  563.613236]  mperf
[  563.613236]  button
[  563.613236]  video
[  563.613237]  wmi
[  563.613237]  processor
[  563.613238]  thermal_sys
[  563.613238]  edd
[  563.613239]  squashfs
[  563.613239]  loop

[  563.613241] CPU: 6 PID: 1597 Comm: btrfs-delayed-m Tainted: G      D W    3.11.6-4-default #1
[  563.613241] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  563.613242] task: ffff8803fe190380 ti: ffff8803fe3fc000 task.ti: ffff8803fe3fc000
[  563.613243] RIP: 0010:[<ffffffff812ca345>] 
[  563.613245]  [<ffffffff812ca345>] __read_lock_failed+0x5/0x10
[  563.613246] RSP: 0018:ffff8803fe3fda60  EFLAGS: 00000297
[  563.613246] RAX: 0000000197750000 RBX: 0000000000001000 RCX: 0000000000000001
[  563.613247] RDX: ffff880000000000 RSI: ffff8803d1eaa320 RDI: ffff8803d1eaa390
[  563.613247] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8802785ba280
[  563.613248] R10: 000000000000001f R11: 0000000000000000 R12: ffff8803fe3fdad8
[  563.613248] R13: 00000000000004c7 R14: ffffffffa0466a6d R15: ffff880405d7c000
[  563.613249] FS:  0000000000000000(0000) GS:ffff88041fb80000(0000) knlGS:0000000000000000
[  563.613250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  563.613250] CR2: 00007fb737ed7000 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  563.613251] Stack:
[  563.613251]  ffffffff815670ca
[  563.613251]  ffffffffa049e901
[  563.613252]  ffff8802b0f06640
[  563.613252]  0000000000000001

[  563.613253]  ffffffffa0449fc6
[  563.613253]  ffff8803fe3fdb57
[  563.613254]  0000000000000000
[  563.613254]  ffffffff00000001

[  563.613254]  0000000100000000
[  563.613255]  ffff880404fa6ef0
[  563.613255]  ffff880200a82978
[  563.613255]  0000000000000206

[  563.613256] Call Trace:

[  563.613261]  [<ffffffff815670ca>] _raw_read_lock+0xa/0x10

[  563.613272]  [<ffffffffa049e901>] btrfs_try_tree_read_lock+0x21/0x50 [btrfs]
[  563.613300]  eeepc_wmi
[  563.613302]  asus_wmi sparse_keymap

[  563.613303]  rfkill
[  563.613312]  [<ffffffffa0449fc6>] btrfs_search_slot+0x816/0x9b0 [btrfs]
[  563.613304]  i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor

[  563.613323]  [<ffffffffa04535a5>] btrfs_lookup_extent_info+0x95/0x460 [btrfs]
[  563.613325]  thermal_sys
[  563.613326]  edd squashfs loop
[  563.613329] CPU: 4 PID: 104 Comm: kworker/u16:7 Tainted: G      D W    3.11.6-4-default #1
[  563.613334]  [<ffffffffa04452df>] update_ref_for_cow+0x1cf/0x3d0 [btrfs]
[  563.613336] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  563.613341] Workqueue: writeback bdi_writeback_workfn
[  563.613345]  [<ffffffffa0445726>] __btrfs_cow_block+0x246/0x570 [btrfs]
[  563.613348]  (flush-btrfs-1)
[  563.613353]  [<ffffffffa0445bf8>] btrfs_cow_block+0x118/0x1c0 [btrfs]
[  563.613355] task: ffff88040513a2c0 ti: ffff88040513c000 task.ti: ffff88040513c000
[  563.613358] RIP: 0010:[<ffffffff812ca32f>]  [<ffffffff812ca32f>] __write_lock_failed+0xf/0x20

[  563.613363]  [<ffffffffa0449c05>] btrfs_search_slot+0x455/0x9b0 [btrfs]
[  563.613365] RSP: 0018:ffff88040513daa0  EFLAGS: 00000287
[  563.613367] RAX: 0000000000000000 RBX: 0000000000001000 RCX: 0000000000000003
[  563.613374]  [<ffffffffa0461645>] btrfs_lookup_inode+0x25/0xa0 [btrfs]
[  563.613376] RDX: 0000000000000000 RSI: ffff8803d1eaa354 RDI: ffff8803d1eaa390
[  563.613378] RBP: 0000000000000000 R08: ca40000000000000 R09: a800164865200000
[  563.613380] R10: 57ffd3b7a0721948 R11: 000000000000000b R12: ffff880404e4b8b0
[  563.613382] R13: ffff8804057e4cd0 R14: 000000000089eee0 R15: 0000000000000000
[  563.613384] FS:  0000000000000000(0000) GS:ffff88041fb00000(0000) knlGS:0000000000000000
[  563.613391]  [<ffffffffa04b7e3b>] __btrfs_update_delayed_inode+0x3b/0xe0 [btrfs]
[  563.613393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  563.613395] CR2: 000000000069c538 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  563.613397] Stack:
[  563.613398]  ffffffff8156712e ffffffffa049e951 ffffea0005921980 ffffffffa048a54b
[  563.613401]  ffff88041ec03380 ffff88040513db60 ffffffffa0484600 0000000000000000
[  563.613404]  0000000000000000 0000000000000000 ffff88040513dc08 ffff880404e4bc28
[  563.613407] Call Trace:
[  563.613412]  [<ffffffff8156712e>] _raw_write_lock+0xe/0x10
[  563.613421]  [<ffffffffa049e951>] btrfs_try_tree_write_lock+0x21/0x70 [btrfs]
[  563.613430]  [<ffffffffa04b80db>] btrfs_async_run_delayed_root+0x1fb/0x220 [btrfs]
[  563.613458]  [<ffffffffa048a54b>] btree_write_cache_pages+0x25b/0x820 [btrfs]
[  563.613473]  [<ffffffffa0497310>] worker_loop+0x140/0x520 [btrfs]
[  563.613486]  [<ffffffff811a0184>] __writeback_single_inode+0x34/0x210
[  563.613491]  [<ffffffff811a0dac>] writeback_sb_inodes+0x19c/0x3d0
[  563.613494]  [<ffffffff811a106e>] __writeback_inodes_wb+0x8e/0xc0
[  563.613498]  [<ffffffff811a12e3>] wb_writeback+0x243/0x2d0
[  563.613502]  [<ffffffff811a2cbc>] bdi_writeback_workfn+0x1ac/0x3b0
[  563.613503]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  563.613506]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  563.613507] Code: 90 90 90 

[  563.613510]  [<ffffffff810687fd>] process_one_work+0x16d/0x420

[  563.613512]  [<ffffffff810693c6>] worker_thread+0x116/0x3b0

[  563.613514]  [<ffffffff8106f8df>] kthread+0xaf/0xc0

[  563.613516]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  563.613517] Code: 
[  563.613518] c0 
[  563.613518] 66 
[  563.613518] 66 
[  563.613519] 90 
[  563.613519] c3 
[  563.613519] b8 
[  563.613519] f2 
[  563.613519] ff 
[  563.613520] ff 
[  563.613520] ff 
[  563.613520] 66 
[  563.613520] 66 
[  563.613521] 90 
[  563.613521] c3 
[  563.613521] 90 
[  563.613522] 90 
[  563.613522] 90 
[  563.613522] 90 
[  563.613523] 90 
[  563.613523] 90 
[  563.613524] 90 
[  563.613524] 90 
[  563.613524] 90 
[  563.613525] 90 
[  563.613525] 90 
[  563.613525] 90 
[  563.613526] 90 
[  563.613526] 90 
[  563.613526] f0 
[  563.613527] 81 
[  563.613527] 07 
[  563.613528] 00 
[  563.613528] 00 
[  563.613528] 10 
[  563.613529] 00 
[  563.613529] f3 
[  563.613529] 90 
[  563.613530] 81 
[  563.613530] 3f 
[  563.613530] 00 
[  563.613531] 00 
[  563.613531] 10 
[  563.613531] 00 
[  563.613532] <75> 
[  563.613532] f6 
[  563.613532] f0 
[  563.613533] 81 
[  563.613533] 2f 
[  563.613534] 00 
[  563.613534] 00 
[  563.613534] 10 
[  563.613535] 00 
[  563.613535] 75 
[  563.613535] e6 
[  563.613536] c3 
[  563.613536] 0f 
[  563.613536] 1f 
[  563.613537] 44 
[  563.613537] 00 
[  563.613537] 00 
[  563.613538] f0 
[  563.613538] ff 
[  563.613538] 07 
[  563.613539] f3 

[  563.613543] 90 
[  563.613545] 90 90 f0 81 07 00 00 10 00 f3 90 81 3f 00 00 10 00 75 f6 f0 81 2f 00 00 10 00 75 e6 c3 0f 1f 44 00 00 f0 ff 07 f3 90 <83> 3f 01 78 f9 f0 ff 0f 78 f1 c3 57 56 51 41 50 41 51 41 52 41 
[  591.585950] BUG: soft lockup - CPU#6 stuck for 22s! [btrfs-delayed-m:1597]
[  591.585952] BUG: soft lockup - CPU#4 stuck for 22s! [kworker/u16:7:104]
[  591.585953] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi
[  591.585960] Modules linked in:
[  591.585960]  btrfs
[  591.585960]  raid6_pq
[  591.585961]  zlib_deflate
[  591.585961]  xor
[  591.585962]  libcrc32c
[  591.585962]  dm_mod
[  591.585962]  nls_utf8
[  591.585962]  parport_pc
[  591.585962]  parport
[  591.585963]  arc4
[  591.585963]  ecb
[  591.585963]  nfs
[  591.585963]  lockd
[  591.585963]  fscache
[  591.585964]  nls_iso8859_1
[  591.585964]  hid_generic
[  591.585964]  nls_cp437
[  591.585964]  usbhid
[  591.585964]  af_packet
[  591.585965]  sg
[  591.585965]  st
[  591.585965]  usb_storage
[  591.585966]  sunrpc
[  591.585966]  eeepc_wmi
[  591.585967]  asus_wmi
[  591.585967]  sparse_keymap
[  591.585967]  rfkill
[  591.585976]  i915
[  591.585977]  crc32_pclmul
[  591.585977]  drm_kms_helper
[  591.585978]  crc32c_intel
[  591.585978]  ghash_clmulni_intel
[  591.585978]  drm
[  591.585979]  xhci_hcd
[  591.585979]  aesni_intel
[  591.585988]  ablk_helper
[  591.585989]  e1000
[  591.585989]  cryptd
[  591.585989]  lrw
[  591.585990]  ehci_pci
[  591.585990]  ehci_hcd
[  591.585991]  gf128mul
[  591.585991]  usbcore
[  591.585991]  glue_helper
[  591.585992]  lpc_ich
[  591.585992]  aes_x86_64
[  591.585993]  mfd_core
[  591.585993]  sr_mod
[  591.585993]  cdrom
[  591.585993]  r8169
[  591.585993]  mii
[  591.585994]  usb_common
[  591.585994]  i2c_algo_bit
[  591.585994]  fan
[  591.585995]  thermal
[  591.585995]  mperf
[  591.585995]  button
[  591.585996]  video
[  591.585996]  wmi
[  591.585997]  processor
[  591.585997]  thermal_sys
[  591.585997]  edd
[  591.585998]  squashfs
[  591.585998]  loop

[  591.586000] CPU: 6 PID: 1597 Comm: btrfs-delayed-m Tainted: G      D W    3.11.6-4-default #1
[  591.586000] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  591.586001] task: ffff8803fe190380 ti: ffff8803fe3fc000 task.ti: ffff8803fe3fc000
[  591.586001] RIP: 0010:[<ffffffff812ca348>] 
[  591.586003]  [<ffffffff812ca348>] __read_lock_failed+0x8/0x10
[  591.586004] RSP: 0018:ffff8803fe3fda60  EFLAGS: 00000297
[  591.586004] RAX: 0000000197750000 RBX: 0000000000001000 RCX: 0000000000000001
[  591.586005] RDX: ffff880000000000 RSI: ffff8803d1eaa320 RDI: ffff8803d1eaa390
[  591.586005] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8802785ba280
[  591.586006] R10: 000000000000001f R11: 0000000000000000 R12: ffff8803fe3fdad8
[  591.586006] R13: 00000000000004c7 R14: ffffffffa0466a6d R15: ffff880405d7c000
[  591.586007] FS:  0000000000000000(0000) GS:ffff88041fb80000(0000) knlGS:0000000000000000
[  591.586008] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  591.586009] CR2: 00007fb737ed7000 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  591.586009] Stack:
[  591.586009]  ffffffff815670ca
[  591.586009]  ffffffffa049e901
[  591.586010]  ffff8802b0f06640
[  591.586010]  0000000000000001

[  591.586011]  ffffffffa0449fc6
[  591.586011]  ffff8803fe3fdb57
[  591.586012]  0000000000000000
[  591.586012]  ffffffff00000001

[  591.586013]  0000000100000000
[  591.586013]  ffff880404fa6ef0
[  591.586014]  ffff880200a82978
[  591.586014]  0000000000000206

[  591.586015] Call Trace:

[  591.586017]  [<ffffffff815670ca>] _raw_read_lock+0xa/0x10

[  591.586025]  [<ffffffffa049e901>] btrfs_try_tree_read_lock+0x21/0x50 [btrfs]

[  591.586058]  [<ffffffffa0449fc6>] btrfs_search_slot+0x816/0x9b0 [btrfs]
[  591.586062]  sparse_keymap
[  591.586064]  rfkill

[  591.586068]  [<ffffffffa04535a5>] btrfs_lookup_extent_info+0x95/0x460 [btrfs]
[  591.586070]  i915
[  591.586072]  crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich

[  591.586080]  aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  591.586081] CPU: 4 PID: 104 Comm: kworker/u16:7 Tainted: G      D W    3.11.6-4-default #1
[  591.586082] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  591.586084] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
[  591.586084] task: ffff88040513a2c0 ti: ffff88040513c000 task.ti: ffff88040513c000
[  591.586086] RIP: 0010:[<ffffffff812ca32f>]  [<ffffffff812ca32f>] __write_lock_failed+0xf/0x20
[  591.586087] RSP: 0018:ffff88040513daa0  EFLAGS: 00000287
[  591.586087] RAX: 0000000000000000 RBX: 0000000000001000 RCX: 0000000000000003
[  591.586088] RDX: 0000000000000000 RSI: ffff8803d1eaa354 RDI: ffff8803d1eaa390
[  591.586088] RBP: 0000000000000000 R08: ca40000000000000 R09: a800164865200000
[  591.586089] R10: 57ffd3b7a0721948 R11: 000000000000000b R12: ffff880404e4b8b0
[  591.586089] R13: ffff8804057e4cd0 R14: 000000000089eee0 R15: 0000000000000000
[  591.586090] FS:  0000000000000000(0000) GS:ffff88041fb00000(0000) knlGS:0000000000000000
[  591.586090] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  591.586091] CR2: 000000000069c538 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  591.586091] Stack:
[  591.586092]  ffffffff8156712e ffffffffa049e951 ffffea0005921980 ffffffffa048a54b
[  591.586093]  ffff88041ec03380 ffff88040513db60 ffffffffa0484600 0000000000000000
[  591.586094]  0000000000000000 0000000000000000 ffff88040513dc08 ffff880404e4bc28
[  591.586095] Call Trace:
[  591.586097]  [<ffffffff8156712e>] _raw_write_lock+0xe/0x10
[  591.586104]  [<ffffffffa049e951>] btrfs_try_tree_write_lock+0x21/0x70 [btrfs]
[  591.586129]  [<ffffffffa04452df>] update_ref_for_cow+0x1cf/0x3d0 [btrfs]
[  591.586139]  [<ffffffffa048a54b>] btree_write_cache_pages+0x25b/0x820 [btrfs]
[  591.586143]  [<ffffffffa0445726>] __btrfs_cow_block+0x246/0x570 [btrfs]
[  591.586151]  [<ffffffffa0445bf8>] btrfs_cow_block+0x118/0x1c0 [btrfs]
[  591.586163]  [<ffffffffa0449c05>] btrfs_search_slot+0x455/0x9b0 [btrfs]
[  591.586176]  [<ffffffffa0461645>] btrfs_lookup_inode+0x25/0xa0 [btrfs]
[  591.586177]  [<ffffffff811a0184>] __writeback_single_inode+0x34/0x210
[  591.586179]  [<ffffffff811a0dac>] writeback_sb_inodes+0x19c/0x3d0
[  591.586181]  [<ffffffff811a106e>] __writeback_inodes_wb+0x8e/0xc0
[  591.586183]  [<ffffffff811a12e3>] wb_writeback+0x243/0x2d0
[  591.586185]  [<ffffffff811a2cbc>] bdi_writeback_workfn+0x1ac/0x3b0
[  591.586186]  [<ffffffff810687fd>] process_one_work+0x16d/0x420
[  591.586188]  [<ffffffff810693c6>] worker_thread+0x116/0x3b0
[  591.586189]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  591.586191]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  591.586192] Code: c0 66 66 90 c3 b8 f2 ff ff ff 66 66 90 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f0 81 07 00 00 10 00 f3 90 81 3f 00 00 10 00 <75> f6 f0 81 2f 00 00 10 00 75 e6 c3 0f 1f 44 00 00 f0 ff 07 f3 
[  591.586212]  [<ffffffffa04b7e3b>] __btrfs_update_delayed_inode+0x3b/0xe0 [btrfs]
[  591.586280]  [<ffffffffa04b80db>] btrfs_async_run_delayed_root+0x1fb/0x220 [btrfs]
[  591.586358]  [<ffffffffa0497310>] worker_loop+0x140/0x520 [btrfs]
[  591.586414]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  591.586420]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  591.586425] Code: 90 90 90 f0 81 07 00 00 10 00 f3 90 81 3f 00 00 10 00 75 f6 f0 81 2f 00 00 10 00 75 e6 c3 0f 1f 44 00 00 f0 ff 07 f3 90 83 3f 01 <78> f9 f0 ff 0f 78 f1 c3 57 56 51 41 50 41 51 41 52 41 53 52 48 
[  619.558713] BUG: soft lockup - CPU#6 stuck for 23s! [btrfs-delayed-m:1597]
[  619.558714] BUG: soft lockup - CPU#4 stuck for 23s! [kworker/u16:7:104]
[  619.558716] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi
[  619.558723] Modules linked in:
[  619.558723]  btrfs
[  619.558724]  raid6_pq
[  619.558724]  zlib_deflate
[  619.558725]  xor
[  619.558725]  libcrc32c
[  619.558725]  dm_mod
[  619.558725]  nls_utf8
[  619.558725]  parport_pc
[  619.558726]  parport
[  619.558726]  arc4
[  619.558726]  ecb
[  619.558726]  nfs
[  619.558726]  lockd
[  619.558727]  fscache
[  619.558727]  nls_iso8859_1
[  619.558727]  hid_generic
[  619.558727]  nls_cp437
[  619.558727]  usbhid
[  619.558728]  af_packet
[  619.558728]  sg
[  619.558728]  st
[  619.558729]  usb_storage
[  619.558729]  sunrpc
[  619.558730]  eeepc_wmi
[  619.558730]  asus_wmi
[  619.558730]  sparse_keymap
[  619.558739]  rfkill
[  619.558740]  i915
[  619.558740]  crc32_pclmul
[  619.558741]  drm_kms_helper
[  619.558741]  crc32c_intel
[  619.558741]  ghash_clmulni_intel
[  619.558742]  drm
[  619.558742]  xhci_hcd
[  619.558751]  aesni_intel
[  619.558752]  ablk_helper
[  619.558752]  e1000
[  619.558752]  cryptd
[  619.558753]  lrw
[  619.558753]  ehci_pci
[  619.558754]  ehci_hcd
[  619.558754]  gf128mul
[  619.558754]  usbcore
[  619.558755]  glue_helper
[  619.558755]  lpc_ich
[  619.558756]  aes_x86_64
[  619.558756]  mfd_core
[  619.558756]  sr_mod
[  619.558756]  cdrom
[  619.558756]  r8169
[  619.558757]  mii
[  619.558757]  usb_common
[  619.558758]  i2c_algo_bit
[  619.558758]  fan
[  619.558758]  thermal
[  619.558759]  mperf
[  619.558759]  button
[  619.558760]  video
[  619.558760]  wmi
[  619.558760]  processor
[  619.558761]  thermal_sys
[  619.558761]  edd
[  619.558761]  squashfs
[  619.558762]  loop

[  619.558763] CPU: 6 PID: 1597 Comm: btrfs-delayed-m Tainted: G      D W    3.11.6-4-default #1
[  619.558764] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  619.558764] task: ffff8803fe190380 ti: ffff8803fe3fc000 task.ti: ffff8803fe3fc000
[  619.558765] RIP: 0010:[<ffffffff812ca348>] 
[  619.558767]  [<ffffffff812ca348>] __read_lock_failed+0x8/0x10
[  619.558768] RSP: 0018:ffff8803fe3fda60  EFLAGS: 00000297
[  619.558768] RAX: 0000000197750000 RBX: 0000000000001000 RCX: 0000000000000001
[  619.558769] RDX: ffff880000000000 RSI: ffff8803d1eaa320 RDI: ffff8803d1eaa390
[  619.558770] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8802785ba280
[  619.558770] R10: 000000000000001f R11: 0000000000000000 R12: ffff8803fe3fdad8
[  619.558771] R13: 00000000000004c7 R14: ffffffffa0466a6d R15: ffff880405d7c000
[  619.558772] FS:  0000000000000000(0000) GS:ffff88041fb80000(0000) knlGS:0000000000000000
[  619.558772] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  619.558773] CR2: 00007fb737ed7000 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  619.558773] Stack:
[  619.558773]  ffffffff815670ca
[  619.558774]  ffffffffa049e901
[  619.558774]  ffff8802b0f06640
[  619.558774]  0000000000000001

[  619.558775]  ffffffffa0449fc6
[  619.558776]  ffff8803fe3fdb57
[  619.558776]  0000000000000000
[  619.558776]  ffffffff00000001

[  619.558777]  0000000100000000
[  619.558777]  ffff880404fa6ef0
[  619.558778]  ffff880200a82978
[  619.558778]  0000000000000206

[  619.558779] Call Trace:

[  619.558782]  [<ffffffff815670ca>] _raw_read_lock+0xa/0x10

[  619.558791]  [<ffffffffa049e901>] btrfs_try_tree_read_lock+0x21/0x50 [btrfs]

[  619.558826]  [<ffffffffa0449fc6>] btrfs_search_slot+0x816/0x9b0 [btrfs]
[  619.558828]  sparse_keymap
[  619.558830]  rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd

[  619.558836]  [<ffffffffa04535a5>] btrfs_lookup_extent_info+0x95/0x460 [btrfs]
[  619.558838]  aesni_intel
[  619.558840]  ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit

[  619.558847]  fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  619.558847] CPU: 4 PID: 104 Comm: kworker/u16:7 Tainted: G      D W    3.11.6-4-default #1
[  619.558848] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  619.558851] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
[  619.558851] task: ffff88040513a2c0 ti: ffff88040513c000 task.ti: ffff88040513c000
[  619.558853] RIP: 0010:[<ffffffff812ca329>]  [<ffffffff812ca329>] __write_lock_failed+0x9/0x20
[  619.558854] RSP: 0018:ffff88040513daa0  EFLAGS: 00000287
[  619.558854] RAX: 0000000000000000 RBX: 0000000000001000 RCX: 0000000000000003
[  619.558854] RDX: 0000000000000000 RSI: ffff8803d1eaa354 RDI: ffff8803d1eaa390
[  619.558855] RBP: 0000000000000000 R08: ca40000000000000 R09: a800164865200000
[  619.558855] R10: 57ffd3b7a0721948 R11: 000000000000000b R12: ffff880404e4b8b0
[  619.558856] R13: ffff8804057e4cd0 R14: 000000000089eee0 R15: 0000000000000000
[  619.558856] FS:  0000000000000000(0000) GS:ffff88041fb00000(0000) knlGS:0000000000000000
[  619.558857] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  619.558857] CR2: 000000000069c538 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  619.558858] Stack:
[  619.558859]  ffffffff8156712e ffffffffa049e951 ffffea0005921980 ffffffffa048a54b
[  619.558860]  ffff88041ec03380 ffff88040513db60 ffffffffa0484600 0000000000000000
[  619.558861]  0000000000000000 0000000000000000 ffff88040513dc08 ffff880404e4bc28
[  619.558861] Call Trace:
[  619.558864]  [<ffffffff8156712e>] _raw_write_lock+0xe/0x10
[  619.558871]  [<ffffffffa049e951>] btrfs_try_tree_write_lock+0x21/0x70 [btrfs]
[  619.558897]  [<ffffffffa04452df>] update_ref_for_cow+0x1cf/0x3d0 [btrfs]
[  619.558906]  [<ffffffffa048a54b>] btree_write_cache_pages+0x25b/0x820 [btrfs]
[  619.558910]  [<ffffffffa0445726>] __btrfs_cow_block+0x246/0x570 [btrfs]
[  619.558918]  [<ffffffffa0445bf8>] btrfs_cow_block+0x118/0x1c0 [btrfs]
[  619.558931]  [<ffffffffa0449c05>] btrfs_search_slot+0x455/0x9b0 [btrfs]
[  619.558943]  [<ffffffffa0461645>] btrfs_lookup_inode+0x25/0xa0 [btrfs]
[  619.558944]  [<ffffffff811a0184>] __writeback_single_inode+0x34/0x210
[  619.558946]  [<ffffffff811a0dac>] writeback_sb_inodes+0x19c/0x3d0
[  619.558948]  [<ffffffff811a106e>] __writeback_inodes_wb+0x8e/0xc0
[  619.558950]  [<ffffffff811a12e3>] wb_writeback+0x243/0x2d0
[  619.558952]  [<ffffffff811a2cbc>] bdi_writeback_workfn+0x1ac/0x3b0
[  619.558954]  [<ffffffff810687fd>] process_one_work+0x16d/0x420
[  619.558956]  [<ffffffff810693c6>] worker_thread+0x116/0x3b0
[  619.558957]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  619.558959]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  619.558960] Code: 66 90 48 89 01 31 c0 66 66 90 c3 b8 f2 ff ff ff 66 66 90 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f0 81 07 00 00 10 00 f3 90 <81> 3f 00 00 10 00 75 f6 f0 81 2f 00 00 10 00 75 e6 c3 0f 1f 44 
[  619.558980]  [<ffffffffa04b7e3b>] __btrfs_update_delayed_inode+0x3b/0xe0 [btrfs]
[  619.559045]  [<ffffffffa04b80db>] btrfs_async_run_delayed_root+0x1fb/0x220 [btrfs]
[  619.559123]  [<ffffffffa0497310>] worker_loop+0x140/0x520 [btrfs]
[  619.559178]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  619.559185]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  619.559189] Code: 90 90 90 f0 81 07 00 00 10 00 f3 90 81 3f 00 00 10 00 75 f6 f0 81 2f 00 00 10 00 75 e6 c3 0f 1f 44 00 00 f0 ff 07 f3 90 83 3f 01 <78> f9 f0 ff 0f 78 f1 c3 57 56 51 41 50 41 51 41 52 41 53 52 48 
[  647.531476] BUG: soft lockup - CPU#6 stuck for 23s! [btrfs-delayed-m:1597]
[  647.531477] BUG: soft lockup - CPU#4 stuck for 23s! [kworker/u16:7:104]
[  647.531478] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st usb_storage sunrpc eeepc_wmi asus_wmi sparse_keymap rfkill
[  647.531486] Modules linked in:
[  647.531486]  btrfs
[  647.531486]  raid6_pq
[  647.531487]  zlib_deflate
[  647.531487]  xor
[  647.531487]  libcrc32c
[  647.531487]  dm_mod
[  647.531487]  nls_utf8
[  647.531488]  parport_pc
[  647.531488]  parport
[  647.531488]  arc4
[  647.531488]  ecb
[  647.531488]  nfs
[  647.531489]  lockd
[  647.531489]  fscache
[  647.531489]  nls_iso8859_1
[  647.531489]  hid_generic
[  647.531489]  nls_cp437
[  647.531490]  usbhid
[  647.531491]  af_packet
[  647.531491]  sg
[  647.531491]  st
[  647.531492]  usb_storage
[  647.531492]  sunrpc
[  647.531493]  eeepc_wmi
[  647.531493]  asus_wmi
[  647.531493]  sparse_keymap
[  647.531494]  rfkill
[  647.531494]  i915
[  647.531503]  crc32_pclmul
[  647.531504]  drm_kms_helper
[  647.531504]  crc32c_intel
[  647.531505]  ghash_clmulni_intel
[  647.531505]  drm
[  647.531505]  xhci_hcd
[  647.531506]  aesni_intel
[  647.531506]  ablk_helper
[  647.531515]  e1000
[  647.531515]  cryptd
[  647.531516]  lrw
[  647.531516]  ehci_pci
[  647.531517]  ehci_hcd
[  647.531517]  gf128mul
[  647.531517]  usbcore
[  647.531518]  glue_helper
[  647.531518]  lpc_ich
[  647.531519]  aes_x86_64
[  647.531519]  mfd_core
[  647.531519]  sr_mod
[  647.531520]  cdrom
[  647.531520]  r8169
[  647.531521]  mii
[  647.531521]  usb_common
[  647.531521]  i2c_algo_bit
[  647.531522]  fan
[  647.531522]  thermal
[  647.531523]  mperf
[  647.531523]  button
[  647.531523]  video
[  647.531524]  wmi
[  647.531524]  processor
[  647.531525]  thermal_sys
[  647.531525]  edd
[  647.531525]  squashfs
[  647.531526]  loop

[  647.531527] CPU: 6 PID: 1597 Comm: btrfs-delayed-m Tainted: G      D W    3.11.6-4-default #1
[  647.531528] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  647.531529] task: ffff8803fe190380 ti: ffff8803fe3fc000 task.ti: ffff8803fe3fc000
[  647.531529] RIP: 0010:[<ffffffff812ca348>] 
[  647.531532]  [<ffffffff812ca348>] __read_lock_failed+0x8/0x10
[  647.531532] RSP: 0018:ffff8803fe3fda60  EFLAGS: 00000297
[  647.531533] RAX: 0000000197750000 RBX: 0000000000001000 RCX: 0000000000000001
[  647.531534] RDX: ffff880000000000 RSI: ffff8803d1eaa320 RDI: ffff8803d1eaa390
[  647.531534] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8802785ba280
[  647.531535] R10: 000000000000001f R11: 0000000000000000 R12: ffff8803fe3fdad8
[  647.531535] R13: 00000000000004c7 R14: ffffffffa0466a6d R15: ffff880405d7c000
[  647.531536] FS:  0000000000000000(0000) GS:ffff88041fb80000(0000) knlGS:0000000000000000
[  647.531537] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  647.531537] CR2: 00007fb737ed7000 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  647.531538] Stack:
[  647.531538]  ffffffff815670ca
[  647.531539]  ffffffffa049e901
[  647.531539]  ffff8802b0f06640
[  647.531540]  0000000000000001

[  647.531540]  ffffffffa0449fc6
[  647.531540]  ffff8803fe3fdb57
[  647.531540]  0000000000000000
[  647.531541]  ffffffff00000001

[  647.531541]  0000000100000000
[  647.531542]  ffff880404fa6ef0
[  647.531542]  ffff880200a82978
[  647.531542]  0000000000000206

[  647.531543] Call Trace:

[  647.531547]  [<ffffffff815670ca>] _raw_read_lock+0xa/0x10

[  647.531556]  [<ffffffffa049e901>] btrfs_try_tree_read_lock+0x21/0x50 [btrfs]
[  647.531585]  i915
[  647.531590]  [<ffffffffa0449fc6>] btrfs_search_slot+0x816/0x9b0 [btrfs]
[  647.531591]  crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd

[  647.531605]  [<ffffffffa04535a5>] btrfs_lookup_extent_info+0x95/0x460 [btrfs]
[  647.531607]  squashfs
[  647.531609]  loop
[  647.531611] CPU: 4 PID: 104 Comm: kworker/u16:7 Tainted: G      D W    3.11.6-4-default #1
[  647.531614] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  647.531617]  [<ffffffffa04452df>] update_ref_for_cow+0x1cf/0x3d0 [btrfs]
[  647.531623] Workqueue: writeback bdi_writeback_workfn
[  647.531627]  [<ffffffffa0445726>] __btrfs_cow_block+0x246/0x570 [btrfs]
[  647.531630]  (flush-btrfs-1)
[  647.531635]  [<ffffffffa0445bf8>] btrfs_cow_block+0x118/0x1c0 [btrfs]
[  647.531637] task: ffff88040513a2c0 ti: ffff88040513c000 task.ti: ffff88040513c000
[  647.531640] RIP: 0010:[<ffffffff812ca329>]  [<ffffffff812ca329>] __write_lock_failed+0x9/0x20

[  647.531645]  [<ffffffffa0449c05>] btrfs_search_slot+0x455/0x9b0 [btrfs]
[  647.531647] RSP: 0018:ffff88040513daa0  EFLAGS: 00000287
[  647.531649] RAX: 0000000000000000 RBX: 0000000000001000 RCX: 0000000000000003
[  647.531655]  [<ffffffffa0461645>] btrfs_lookup_inode+0x25/0xa0 [btrfs]
[  647.531658] RDX: 0000000000000000 RSI: ffff8803d1eaa354 RDI: ffff8803d1eaa390
[  647.531660] RBP: 0000000000000000 R08: ca40000000000000 R09: a800164865200000
[  647.531662] R10: 57ffd3b7a0721948 R11: 000000000000000b R12: ffff880404e4b8b0
[  647.531664] R13: ffff8804057e4cd0 R14: 000000000089eee0 R15: 0000000000000000
[  647.531666] FS:  0000000000000000(0000) GS:ffff88041fb00000(0000) knlGS:0000000000000000
[  647.531672]  [<ffffffffa04b7e3b>] __btrfs_update_delayed_inode+0x3b/0xe0 [btrfs]
[  647.531675] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  647.531677] CR2: 000000000069c538 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  647.531679] Stack:
[  647.531680]  ffffffff8156712e ffffffffa049e951 ffffea0005921980 ffffffffa048a54b
[  647.531683]  ffff88041ec03380 ffff88040513db60 ffffffffa0484600 0000000000000000
[  647.531686]  0000000000000000 0000000000000000 ffff88040513dc08 ffff880404e4bc28
[  647.531689] Call Trace:
[  647.531693]  [<ffffffff8156712e>] _raw_write_lock+0xe/0x10
[  647.531702]  [<ffffffffa049e951>] btrfs_try_tree_write_lock+0x21/0x70 [btrfs]
[  647.531712]  [<ffffffffa04b80db>] btrfs_async_run_delayed_root+0x1fb/0x220 [btrfs]
[  647.531739]  [<ffffffffa048a54b>] btree_write_cache_pages+0x25b/0x820 [btrfs]
[  647.531755]  [<ffffffffa0497310>] worker_loop+0x140/0x520 [btrfs]
[  647.531766]  [<ffffffff811a0184>] __writeback_single_inode+0x34/0x210
[  647.531771]  [<ffffffff811a0dac>] writeback_sb_inodes+0x19c/0x3d0
[  647.531775]  [<ffffffff811a106e>] __writeback_inodes_wb+0x8e/0xc0
[  647.531779]  [<ffffffff811a12e3>] wb_writeback+0x243/0x2d0
[  647.531782]  [<ffffffff811a2cbc>] bdi_writeback_workfn+0x1ac/0x3b0
[  647.531785]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  647.531787]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  647.531788] Code: 90 90 90 f0 

[  647.531791]  [<ffffffff810687fd>] process_one_work+0x16d/0x420

[  647.531793]  [<ffffffff810693c6>] worker_thread+0x116/0x3b0

[  647.531795]  [<ffffffff8106f8df>] kthread+0xaf/0xc0

[  647.531797]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  647.531798] Code: 
[  647.531798] 66 
[  647.531799] 90 
[  647.531799] 48 
[  647.531800] 89 
[  647.531800] 01 
[  647.531800] 31 
[  647.531800] c0 
[  647.531800] 66 
[  647.531800] 66 
[  647.531801] 90 
[  647.531801] c3 
[  647.531801] b8 
[  647.531802] f2 
[  647.531802] ff 
[  647.531802] ff 
[  647.531803] ff 
[  647.531803] 66 
[  647.531803] 66 
[  647.531804] 90 
[  647.531804] c3 
[  647.531804] 90 
[  647.531805] 90 
[  647.531805] 90 
[  647.531806] 90 
[  647.531806] 90 
[  647.531806] 90 
[  647.531807] 90 
[  647.531807] 90 
[  647.531807] 90 
[  647.531808] 90 
[  647.531808] 90 
[  647.531808] 90 
[  647.531809] 90 
[  647.531809] 90 
[  647.531809] f0 
[  647.531810] 81 
[  647.531810] 07 
[  647.531810] 00 
[  647.531811] 00 
[  647.531811] 10 
[  647.531812] 00 
[  647.531812] f3 
[  647.531812] 90 
[  647.531813] <81> 
[  647.531813] 3f 
[  647.531813] 00 
[  647.531814] 00 
[  647.531814] 10 
[  647.531814] 00 
[  647.531815] 75 
[  647.531815] f6 
[  647.531815] f0 
[  647.531816] 81 
[  647.531816] 2f 
[  647.531817] 00 
[  647.531817] 00 
[  647.531817] 10 
[  647.531818] 00 
[  647.531818] 75 
[  647.531818] e6 
[  647.531819] c3 
[  647.531819] 0f 
[  647.531819] 1f 
[  647.531820] 44 

[  647.531824] 81 
[  647.531826] 07 00 00 10 00 f3 90 81 3f 00 00 10 00 75 f6 f0 81 2f 00 00 10 00 75 e6 c3 0f 1f 44 00 00 f0 ff 07 f3 90 83 3f 01 <78> f9 f0 ff 0f 78 f1 c3 57 56 51 41 50 41 51 41 52 41 53 52 48 
[  675.504237] BUG: soft lockup - CPU#6 stuck for 23s! [btrfs-delayed-m:1597]
[  675.504238] BUG: soft lockup - CPU#4 stuck for 23s! [kworker/u16:7:104]
[  675.504239] Modules linked in:
[  675.504240] Modules linked in:
[  675.504240]  btrfs
[  675.504241]  btrfs
[  675.504241]  raid6_pq
[  675.504242]  raid6_pq
[  675.504242]  zlib_deflate
[  675.504243]  zlib_deflate
[  675.504243]  xor
[  675.504243]  xor
[  675.504244]  libcrc32c
[  675.504244]  libcrc32c
[  675.504245]  dm_mod
[  675.504245]  dm_mod
[  675.504245]  nls_utf8
[  675.504246]  nls_utf8
[  675.504246]  parport_pc
[  675.504247]  parport_pc
[  675.504247]  parport
[  675.504247]  parport
[  675.504248]  arc4
[  675.504248]  arc4
[  675.504248]  ecb
[  675.504249]  ecb
[  675.504249]  nfs
[  675.504250]  nfs
[  675.504250]  lockd
[  675.504251]  lockd
[  675.504251]  fscache
[  675.504252]  fscache
[  675.504252]  nls_iso8859_1
[  675.504252]  nls_iso8859_1
[  675.504253]  hid_generic
[  675.504253]  hid_generic
[  675.504254]  nls_cp437
[  675.504254]  nls_cp437
[  675.504255]  usbhid
[  675.504255]  usbhid
[  675.504264]  af_packet
[  675.504264]  af_packet
[  675.504265]  sg
[  675.504265]  sg
[  675.504266]  st
[  675.504266]  st
[  675.504266]  usb_storage
[  675.504267]  usb_storage
[  675.504267]  sunrpc
[  675.504276]  sunrpc
[  675.504276]  eeepc_wmi
[  675.504277]  eeepc_wmi
[  675.504277]  asus_wmi
[  675.504277]  asus_wmi
[  675.504278]  sparse_keymap
[  675.504278]  sparse_keymap
[  675.504278]  rfkill
[  675.504279]  rfkill
[  675.504279]  i915
[  675.504279]  i915
[  675.504280]  crc32_pclmul
[  675.504280]  crc32_pclmul
[  675.504280]  drm_kms_helper
[  675.504281]  drm_kms_helper
[  675.504281]  crc32c_intel
[  675.504282]  crc32c_intel
[  675.504282]  ghash_clmulni_intel
[  675.504283]  ghash_clmulni_intel drm
[  675.504283]  drm
[  675.504283]  xhci_hcd
[  675.504284]  xhci_hcd
[  675.504284]  aesni_intel
[  675.504285]  aesni_intel
[  675.504285]  ablk_helper
[  675.504285]  ablk_helper
[  675.504286]  e1000
[  675.504286]  e1000
[  675.504286]  cryptd
[  675.504287]  cryptd
[  675.504287]  lrw
[  675.504288]  lrw
[  675.504288]  ehci_pci
[  675.504289]  ehci_pci
[  675.504289]  ehci_hcd
[  675.504289]  ehci_hcd
[  675.504290]  gf128mul
[  675.504290]  gf128mul
[  675.504290]  usbcore
[  675.504291]  usbcore
[  675.504291]  glue_helper
[  675.504291]  glue_helper
[  675.504292]  lpc_ich
[  675.504292]  lpc_ich
[  675.504293]  aes_x86_64
[  675.504293]  aes_x86_64
[  675.504294]  mfd_core
[  675.504294]  mfd_core
[  675.504294]  sr_mod
[  675.504295]  sr_mod
[  675.504295]  cdrom
[  675.504295]  cdrom
[  675.504296]  r8169
[  675.504296]  r8169
[  675.504296]  mii
[  675.504297]  mii
[  675.504298]  usb_common
[  675.504298]  usb_common
[  675.504299]  i2c_algo_bit
[  675.504299]  i2c_algo_bit
[  675.504299]  fan
[  675.504300]  fan
[  675.504300]  thermal
[  675.504300]  thermal
[  675.504301]  mperf
[  675.504301]  mperf
[  675.504301]  button
[  675.504302]  button
[  675.504302]  video
[  675.504302]  video
[  675.504303]  wmi
[  675.504304]  wmi
[  675.504304]  processor
[  675.504304]  processor
[  675.504305]  thermal_sys
[  675.504305]  thermal_sys
[  675.504305]  edd
[  675.504306]  edd
[  675.504306]  squashfs
[  675.504307]  squashfs
[  675.504307]  loop

[  675.504308]  loop
[  675.504309] CPU: 4 PID: 104 Comm: kworker/u16:7 Tainted: G      D W    3.11.6-4-default #1
[  675.504310] CPU: 6 PID: 1597 Comm: btrfs-delayed-m Tainted: G      D W    3.11.6-4-default #1
[  675.504311] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  675.504311] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  675.504314] task: ffff8803fe190380 ti: ffff8803fe3fc000 task.ti: ffff8803fe3fc000
[  675.504316] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)

[  675.504318] RIP: 0010:[<ffffffff812ca348>]  [<ffffffff812ca348>] __read_lock_failed+0x8/0x10
[  675.504319] task: ffff88040513a2c0 ti: ffff88040513c000 task.ti: ffff88040513c000
[  675.504320] RSP: 0018:ffff8803fe3fda60  EFLAGS: 00000297
[  675.504321] RAX: 0000000197750000 RBX: 0000000000001000 RCX: 0000000000000001
[  675.504323] RIP: 0010:[<ffffffff812ca329>]  [<ffffffff812ca329>] __write_lock_failed+0x9/0x20
[  675.504324] RDX: ffff880000000000 RSI: ffff8803d1eaa320 RDI: ffff8803d1eaa390
[  675.504324] RSP: 0018:ffff88040513daa0  EFLAGS: 00000287
[  675.504325] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8802785ba280
[  675.504325] RAX: 0000000000000000 RBX: 0000000000001000 RCX: 0000000000000003
[  675.504326] R10: 000000000000001f R11: 0000000000000000 R12: ffff8803fe3fdad8
[  675.504327] RDX: 0000000000000000 RSI: ffff8803d1eaa354 RDI: ffff8803d1eaa390
[  675.504327] R13: 00000000000004c7 R14: ffffffffa0466a6d R15: ffff880405d7c000
[  675.504328] RBP: 0000000000000000 R08: ca40000000000000 R09: a800164865200000
[  675.504329] FS:  0000000000000000(0000) GS:ffff88041fb80000(0000) knlGS:0000000000000000
[  675.504329] R10: 57ffd3b7a0721948 R11: 000000000000000b R12: ffff880404e4b8b0
[  675.504330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  675.504330] R13: ffff8804057e4cd0 R14: 000000000089eee0 R15: 0000000000000000
[  675.504331] CR2: 00007fb737ed7000 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  675.504332] FS:  0000000000000000(0000) GS:ffff88041fb00000(0000) knlGS:0000000000000000
[  675.504332] Stack:
[  675.504333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  675.504334] CR2: 000000000069c538 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  675.504335] Stack:
[  675.504335]  ffffffff815670ca ffffffffa049e901 ffff8802b0f06640
[  675.504336]  ffffffff8156712e
[  675.504336]  0000000000000001

[  675.504337]  ffffffffa049e951 ffffea0005921980
[  675.504338]  ffffffffa0449fc6
[  675.504338]  ffffffffa048a54b

[  675.504339]  ffff8803fe3fdb57 0000000000000000
[  675.504340]  ffff88041ec03380
[  675.504340]  ffffffff00000001

[  675.504341]  ffff88040513db60 ffffffffa0484600
[  675.504342]  0000000100000000
[  675.504342]  0000000000000000

[  675.504343]  ffff880404fa6ef0 ffff880200a82978
[  675.504344]  0000000000000000
[  675.504344]  0000000000000206

[  675.504345] Call Trace:
[  675.504346]  0000000000000000 ffff88040513dc08 ffff880404e4bc28
[  675.504346] Call Trace:
[  675.504350]  [<ffffffff8156712e>] _raw_write_lock+0xe/0x10
[  675.504352]  [<ffffffff815670ca>] _raw_read_lock+0xa/0x10
[  675.504362]  [<ffffffffa049e951>] btrfs_try_tree_write_lock+0x21/0x70 [btrfs]
[  675.504371]  [<ffffffffa049e901>] btrfs_try_tree_read_lock+0x21/0x50 [btrfs]
[  675.504402]  [<ffffffffa048a54b>] btree_write_cache_pages+0x25b/0x820 [btrfs]
[  675.504428]  [<ffffffffa0449fc6>] btrfs_search_slot+0x816/0x9b0 [btrfs]
[  675.504430]  [<ffffffff811a0184>] __writeback_single_inode+0x34/0x210
[  675.504432]  [<ffffffff811a0dac>] writeback_sb_inodes+0x19c/0x3d0
[  675.504434]  [<ffffffff811a106e>] __writeback_inodes_wb+0x8e/0xc0
[  675.504436]  [<ffffffff811a12e3>] wb_writeback+0x243/0x2d0
[  675.504438]  [<ffffffff811a2cbc>] bdi_writeback_workfn+0x1ac/0x3b0
[  675.504440]  [<ffffffff810687fd>] process_one_work+0x16d/0x420
[  675.504445]  [<ffffffffa04535a5>] btrfs_lookup_extent_info+0x95/0x460 [btrfs]
[  675.504447]  [<ffffffff810693c6>] worker_thread+0x116/0x3b0
[  675.504448]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  675.504451]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  675.504460] Code: 66 90 48 89 01 31 c0 66 66 90 c3 b8 f2 ff ff ff 66 66 90 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f0 81 07 00 00 10 00 f3 90 <81> 3f 00 00 10 00 75 f6 f0 81 2f 
[  675.504465]  [<ffffffffa04452df>] update_ref_for_cow+0x1cf/0x3d0 [btrfs]
[  675.504467] 00 00 10 00 75 e6 c3 0f 1f 44 
[  675.504479]  [<ffffffffa0445726>] __btrfs_cow_block+0x246/0x570 [btrfs]
[  675.504492]  [<ffffffffa0445bf8>] btrfs_cow_block+0x118/0x1c0 [btrfs]
[  675.504506]  [<ffffffffa0449c05>] btrfs_search_slot+0x455/0x9b0 [btrfs]
[  675.504522]  [<ffffffffa0461645>] btrfs_lookup_inode+0x25/0xa0 [btrfs]
[  675.504551]  [<ffffffffa04b7e3b>] __btrfs_update_delayed_inode+0x3b/0xe0 [btrfs]
[  675.504621]  [<ffffffffa04b80db>] btrfs_async_run_delayed_root+0x1fb/0x220 [btrfs]
[  675.504691]  [<ffffffffa0497310>] worker_loop+0x140/0x520 [btrfs]
[  675.504742]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  675.504744]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  675.504761] Code: 90 90 90 f0 81 07 00 00 10 00 f3 90 81 3f 00 00 10 00 75 f6 f0 81 2f 00 00 10 00 75 e6 c3 0f 1f 44 00 00 f0 ff 07 f3 90 83 3f 01 <78> f9 f0 ff 0f 78 f1 c3 57 56 51 41 50 41 51 41 52 41 53 52 48 
[  690.937210] INFO: rcu_sched self-detected stall on CPU { 4}  (t=60003 jiffies g=6230 c=6229 q=0)
[  690.937217] sending NMI to all CPUs:
[  690.937222] NMI backtrace for cpu 6
[  690.937237] CPU: 6 PID: 1597 Comm: btrfs-delayed-m Tainted: G      D W    3.11.6-4-default #1
[  690.937240] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  690.937244] task: ffff8803fe190380 ti: ffff8803fe3fc000 task.ti: ffff8803fe3fc000
[  690.937247] RIP: 0010:[<ffffffff812ca345>]  [<ffffffff812ca345>] __read_lock_failed+0x5/0x10
[  690.937252] RSP: 0018:ffff8803fe3fda60  EFLAGS: 00000297
[  690.937255] RAX: 0000000197750000 RBX: ffff8803d1eaa320 RCX: 0000000000000001
[  690.937258] RDX: ffff880000000000 RSI: ffff8803d1eaa320 RDI: ffff8803d1eaa390
[  690.937261] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8802785ba280
[  690.937264] R10: 000000000000001f R11: 0000000000000000 R12: ffff8802b0f06648
[  690.937267] R13: ffff880405d7c000 R14: 0000000000000002 R15: 0000000000000000
[  690.937271] FS:  0000000000000000(0000) GS:ffff88041fb80000(0000) knlGS:0000000000000000
[  690.937274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  690.937277] CR2: 00007fb737ed7000 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  690.937280] Stack:
[  690.937282]  ffffffff815670ca ffffffffa049e901 ffff8802b0f06640 0000000000000001
[  690.937287]  ffffffffa0449fc6 ffff8803fe3fdb57 0000000000000000 ffffffff00000001
[  690.937291]  0000000100000000 ffff880404fa6ef0 ffff880200a82978 0000000000000206
[  690.937296] Call Trace:
[  690.937301]  [<ffffffff815670ca>] _raw_read_lock+0xa/0x10
[  690.937315]  [<ffffffffa049e901>] btrfs_try_tree_read_lock+0x21/0x50 [btrfs]
[  690.937393]  [<ffffffffa0449fc6>] btrfs_search_slot+0x816/0x9b0 [btrfs]
[  690.937416]  [<ffffffffa04535a5>] btrfs_lookup_extent_info+0x95/0x460 [btrfs]
[  690.937444]  [<ffffffffa04452df>] update_ref_for_cow+0x1cf/0x3d0 [btrfs]
[  690.937464]  [<ffffffffa0445726>] __btrfs_cow_block+0x246/0x570 [btrfs]
[  690.937485]  [<ffffffffa0445bf8>] btrfs_cow_block+0x118/0x1c0 [btrfs]
[  690.937505]  [<ffffffffa0449c05>] btrfs_search_slot+0x455/0x9b0 [btrfs]
[  690.937529]  [<ffffffffa0461645>] btrfs_lookup_inode+0x25/0xa0 [btrfs]
[  690.937567]  [<ffffffffa04b7e3b>] __btrfs_update_delayed_inode+0x3b/0xe0 [btrfs]
[  690.937661]  [<ffffffffa04b80db>] btrfs_async_run_delayed_root+0x1fb/0x220 [btrfs]
[  690.937756]  [<ffffffffa0497310>] worker_loop+0x140/0x520 [btrfs]
[  690.937824]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  690.937830]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  690.937834] Code: 90 90 90 90 90 90 f0 81 07 00 00 10 00 f3 90 81 3f 00 00 10 00 75 f6 f0 81 2f 00 00 10 00 75 e6 c3 0f 1f 44 00 00 f0 ff 07 f3 90 <83> 3f 01 78 f9 f0 ff 0f 78 f1 c3 57 56 51 41 50 41 51 41 52 41 
[  690.937859] NMI backtrace for cpu 4
[  690.937865] CPU: 4 PID: 104 Comm: kworker/u16:7 Tainted: G      D W    3.11.6-4-default #1
[  690.937868] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  690.937873] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
[  690.937876] task: ffff88040513a2c0 ti: ffff88040513c000 task.ti: ffff88040513c000
[  690.937880] RIP: 0010:[<ffffffff812ce3a8>]  [<ffffffff812ce3a8>] find_next_bit+0x48/0xd0
[  690.937885] RSP: 0018:ffff88041fb03df0  EFLAGS: 00000082
[  690.937888] RAX: 0000000000000000 RBX: ffff88041fb0cfe0 RCX: 0000000000000001
[  690.937891] RDX: ffff88041fb0cff8 RSI: 0000000000000180 RDI: 0000000000000080
[  690.937894] RBP: ffff88041fa0d020 R08: ffff88041fb0cfe8 R09: 0000000000000008
[  690.937897] R10: 0000000000000000 R11: ffff88041fb03bb6 R12: 000000000000d060
[  690.937900] R13: 0000000000080000 R14: 00000000000000ff R15: 0000000000000004
[  690.937904] FS:  0000000000000000(0000) GS:ffff88041fb00000(0000) knlGS:0000000000000000
[  690.937907] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  690.937910] CR2: 000000000069c538 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  690.937913] Stack:
[  690.937916]  ffffffff81034cd7 0000000000000008 000000000000d020 0000000200000004
[  690.937921]  0000000000000082 0000000000002710 ffffffff81c41880 ffffffff81c41880
[  690.937925]  ffff88040513c000 0000000000000000 ffff88041fb0e360 ffffffff810302ce
[  690.937930] Call Trace:
[  690.937937]  [<ffffffff81034cd7>] __x2apic_send_IPI_mask+0xb7/0x190
[  690.937943]  [<ffffffff810302ce>] arch_trigger_all_cpu_backtrace+0x4e/0x80
[  690.937950]  [<ffffffff810e78b1>] rcu_check_callbacks+0x301/0x5e0
[  690.937957]  [<ffffffff8105cc5b>] update_process_times+0x3b/0x70
[  690.937963]  [<ffffffff810a772b>] tick_sched_handle.isra.15+0x1b/0x60
[  690.937968]  [<ffffffff810a77a7>] tick_sched_timer+0x37/0x60
[  690.937973]  [<ffffffff81072c52>] __run_hrtimer+0x62/0x1b0
[  690.937979]  [<ffffffff81073409>] hrtimer_interrupt+0xe9/0x220
[  690.937985]  [<ffffffff8102e906>] smp_apic_timer_interrupt+0x36/0x50
[  690.937991]  [<ffffffff8156fcdd>] apic_timer_interrupt+0x6d/0x80
[  690.937997]  [<ffffffff812ca329>] __write_lock_failed+0x9/0x20
[  690.938003]  [<ffffffff8156712e>] _raw_write_lock+0xe/0x10
[  690.938016]  [<ffffffffa049e951>] btrfs_try_tree_write_lock+0x21/0x70 [btrfs]
[  690.938096]  [<ffffffffa048a54b>] btree_write_cache_pages+0x25b/0x820 [btrfs]
[  690.938158]  [<ffffffff811a0184>] __writeback_single_inode+0x34/0x210
[  690.938163]  [<ffffffff811a0dac>] writeback_sb_inodes+0x19c/0x3d0
[  690.938169]  [<ffffffff811a106e>] __writeback_inodes_wb+0x8e/0xc0
[  690.938175]  [<ffffffff811a12e3>] wb_writeback+0x243/0x2d0
[  690.938181]  [<ffffffff811a2cbc>] bdi_writeback_workfn+0x1ac/0x3b0
[  690.938186]  [<ffffffff810687fd>] process_one_work+0x16d/0x420
[  690.938191]  [<ffffffff810693c6>] worker_thread+0x116/0x3b0
[  690.938196]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  690.938202]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  690.938206] Code: 48 29 fe 83 e1 3f 75 6b 48 f7 c6 c0 ff ff ff 0f 84 93 00 00 00 49 8b 00 49 8d 50 08 48 85 c0 74 0f eb 3f 48 83 c2 08 48 8b 42 f8 <48> 85 c0 75 32 48 83 ee 40 48 83 c7 40 48 f7 c6 c0 ff ff ff 75 
[  690.938231] NMI backtrace for cpu 2
[  690.938238] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G      D W    3.11.6-4-default #1
[  690.938241] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  690.938245] task: ffff88040b694700 ti: ffff88040b696000 task.ti: ffff88040b696000
[  690.938248] RIP: 0010:[<ffffffff8131dcf1>]  [<ffffffff8131dcf1>] intel_idle+0xa1/0xf0
[  690.938253] RSP: 0018:ffff88040b697e50  EFLAGS: 00000046
[  690.938256] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
[  690.938259] RDX: 0000000000000000 RSI: ffffffff81c66c60 RDI: 0000000000000002
[  690.938262] RBP: 0000000000000004 R08: 000000000000002d R09: 0000000000000018
[  690.938265] R10: 000000000023e37e R11: ffff88040b72d428 R12: 0000000000000020
[  690.938268] R13: 0000000000000003 R14: 0000000000000004 R15: ffffffff81c66dd8
[  690.938272] FS:  0000000000000000(0000) GS:ffff88041fa80000(0000) knlGS:0000000000000000
[  690.938275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  690.938278] CR2: 00007fa8e5fcb920 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  690.938281] Stack:
[  690.938283]  0000000281009875 ffff88041fa9a100 ffff88040b697ea8 ffffffff81c66c60
[  690.938288]  000000a0e3499476 ffffffff8143e5ab 0000000000000004 0000000000000004
[  690.938292]  0000000000000000 ffffffff81c66c60 0000000000000002 ffff88041fa9a100
[  690.938296] Call Trace:
[  690.938303]  [<ffffffff8143e5ab>] cpuidle_enter_state+0x3b/0xc0
[  690.938308]  [<ffffffff8143e6ea>] cpuidle_idle_call+0xba/0x1f0
[  690.938314]  [<ffffffff8100b2e5>] arch_cpu_idle+0x5/0x30
[  690.938320]  [<ffffffff8109db28>] cpu_startup_entry+0xc8/0x260
[  690.938326]  [<ffffffff8102c988>] start_secondary+0x208/0x2b0
[  690.938329] Code: 31 d2 48 83 c0 10 48 89 d1 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b9 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <85> 1d 59 8f 94 00 75 0f 48 8d 74 24 04 bf 05 00 00 00 e8 88 78 
[  690.938355] NMI backtrace for cpu 3
[  690.938362] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G      D W    3.11.6-4-default #1
[  690.938365] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  690.938369] task: ffff88040b69a740 ti: ffff88040b69c000 task.ti: ffff88040b69c000
[  690.938372] RIP: 0010:[<ffffffff8143fa30>]  [<ffffffff8143fa30>] menu_select+0x1a0/0x3f0
[  690.938378] RSP: 0018:ffff88040b69de70  EFLAGS: 00000087
[  690.938381] RAX: 0000000000001f28 RBX: ffffffff81c66c60 RCX: 0000000000000008
[  690.938384] RDX: 0000000000000f95 RSI: 0000000000000f94 RDI: 0000000000000003
[  690.938387] RBP: ffff88040b69dea8 R08: 0000000000000f95 R09: ffff88041fad04f8
[  690.938390] R10: 7fffffffffffffff R11: 0000000000000000 R12: 0000000000000002
[  690.938393] R13: 0000000000000f94 R14: 0000000000000000 R15: ffff88041fad04e0
[  690.938397] FS:  0000000000000000(0000) GS:ffff88041fac0000(0000) knlGS:0000000000000000
[  690.938400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  690.938403] CR2: 00007faaa34e4000 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  690.938406] Stack:
[  690.938409]  7735940000000001 ffff88041fada100 ffff88040b69dfd8 ffff88040b69dfd8
[  690.938414]  00000000fffffff0 ffffffff81c66c60 0000000000000000 ffff88041fada100
[  690.938418]  ffffffff8143e697 ffff88040b69dfd8 ffff88040b69dfd8 ffff88040b69dfd8
[  690.938424] Call Trace:
[  690.938431]  [<ffffffff8143e697>] cpuidle_idle_call+0x67/0x1f0
[  690.938437]  [<ffffffff8100b2e5>] arch_cpu_idle+0x5/0x30
[  690.938442]  [<ffffffff8109db28>] cpu_startup_entry+0xc8/0x260
[  690.938448]  [<ffffffff8102c988>] start_secondary+0x208/0x2b0
[  690.938452] Code: 48 0f af c2 48 05 00 10 00 00 48 c1 e8 0d 49 89 47 10 66 0f 1f 84 00 00 00 00 00 31 c9 45 31 ed 45 31 e4 31 c0 66 0f 1f 44 00 00 <42> 8b b4 39 80 00 00 00 4c 39 d6 7f 0e 48 01 f0 41 83 c4 01 49 
[  690.938478] NMI backtrace for cpu 7
[  690.938482] CPU: 7 PID: 0 Comm: swapper/7 Tainted: G      D W    3.11.6-4-default #1
[  690.938484] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  690.938486] task: ffff88040b6b0040 ti: ffff88040b6b2000 task.ti: ffff88040b6b2000
[  690.938489] RIP: 0010:[<ffffffff8131dcf1>]  [<ffffffff8131dcf1>] intel_idle+0xa1/0xf0
[  690.938492] RSP: 0018:ffff88040b6b3e50  EFLAGS: 00000046
[  690.938494] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
[  690.938497] RDX: 0000000000000000 RSI: ffffffff81c66c60 RDI: 0000000000000007
[  690.938499] RBP: 0000000000000004 R08: 000000000000002c R09: 0000000000000014
[  690.938501] R10: 00000000000d0016 R11: ffff88040b0c5428 R12: 0000000000000020
[  690.938503] R13: 0000000000000003 R14: 0000000000000004 R15: ffffffff81c66dd8
[  690.938505] FS:  0000000000000000(0000) GS:ffff88041fbc0000(0000) knlGS:0000000000000000
[  690.938508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  690.938510] CR2: 000000000069c538 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  690.938512] Stack:
[  690.938513]  0000000781009875 ffff88041fbda100 ffff88040b6b3ea8 ffffffff81c66c60
[  690.938516]  000000a089e17392 ffffffff8143e5ab 0000000000000004 0000000000000004
[  690.938519]  0000000000000000 ffffffff81c66c60 0000000000000007 ffff88041fbda100
[  690.938522] Call Trace:
[  690.938526]  [<ffffffff8143e5ab>] cpuidle_enter_state+0x3b/0xc0
[  690.938530]  [<ffffffff8143e6ea>] cpuidle_idle_call+0xba/0x1f0
[  690.938533]  [<ffffffff8100b2e5>] arch_cpu_idle+0x5/0x30
[  690.938537]  [<ffffffff8109db28>] cpu_startup_entry+0xc8/0x260
[  690.938540]  [<ffffffff8102c988>] start_secondary+0x208/0x2b0
[  690.938543] Code: 31 d2 48 83 c0 10 48 89 d1 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b9 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <85> 1d 59 8f 94 00 75 0f 48 8d 74 24 04 bf 05 00 00 00 e8 88 78 
[  690.938559] NMI backtrace for cpu 0
[  690.938566] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G      D W    3.11.6-4-default #1
[  690.938569] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  690.938574] task: ffffffff81c13440 ti: ffffffff81c00000 task.ti: ffffffff81c00000
[  690.938585] RIP: 0010:[<ffffffff8131dcf1>]  [<ffffffff8131dcf1>] intel_idle+0xa1/0xf0
[  690.938590] RSP: 0018:ffffffff81c01e88  EFLAGS: 00000046
[  690.938593] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
[  690.938596] RDX: 0000000000000000 RSI: ffffffff81c66c60 RDI: 0000000000000000
[  690.938599] RBP: 0000000000000004 R08: 0000000000005db7 R09: ffff88041fa10500
[  690.938602] R10: 7fffffffffffffff R11: 0000000000000000 R12: 0000000000000020
[  690.938605] R13: 0000000000000003 R14: 0000000000000004 R15: ffffffff81c66dd8
[  690.938609] FS:  0000000000000000(0000) GS:ffff88041fa00000(0000) knlGS:0000000000000000
[  690.938612] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  690.938615] CR2: 00007faaa34e4000 CR3: 0000000001c0e000 CR4: 00000000001407f0
[  690.938618] Stack:
[  690.938620]  0000000081009875 ffff88041fa1a100 ffffffff81c01ee0 ffffffff81c66c60
[  690.938625]  000000a106cfb0ee ffffffff8143e5ab 0000000000000004 0000000000000004
[  690.938630]  0000000000000000 ffffffff81c66c60 0000000000000000 ffff88041fa1a100
[  690.938634] Call Trace:
[  690.938640]  [<ffffffff8143e5ab>] cpuidle_enter_state+0x3b/0xc0
[  690.938645]  [<ffffffff8143e6ea>] cpuidle_idle_call+0xba/0x1f0
[  690.938650]  [<ffffffff8100b2e5>] arch_cpu_idle+0x5/0x30
[  690.938656]  [<ffffffff8109db28>] cpu_startup_entry+0xc8/0x260
[  690.938661]  [<ffffffff81cd0ea6>] start_kernel+0x434/0x43f
[  690.938667]  [<ffffffff81cd06b0>] x86_64_start_kernel+0x10c/0x11b
[  690.938671] Code: 31 d2 48 83 c0 10 48 89 d1 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b9 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <85> 1d 59 8f 94 00 75 0f 48 8d 74 24 04 bf 05 00 00 00 e8 88 78 
[  690.938696] NMI backtrace for cpu 5
[  690.938703] CPU: 5 PID: 0 Comm: swapper/5 Tainted: G      D W    3.11.6-4-default #1
[  690.938706] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  690.938710] task: ffff88040b6a67c0 ti: ffff88040b6a8000 task.ti: ffff88040b6a8000
[  690.938713] RIP: 0010:[<ffffffff8131dcf1>]  [<ffffffff8131dcf1>] intel_idle+0xa1/0xf0
[  690.938718] RSP: 0018:ffff88040b6a9e50  EFLAGS: 00000046
[  690.938721] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
[  690.938724] RDX: 0000000000000000 RSI: ffffffff81c66c60 RDI: 0000000000000005
[  690.938727] RBP: 0000000000000004 R08: 000000000000005b R09: 0000000000000018
[  690.938730] R10: 00000000000f41df R11: 0000000000000000 R12: 0000000000000020
[  690.938733] R13: 0000000000000003 R14: 0000000000000004 R15: ffffffff81c66dd8
[  690.938737] FS:  0000000000000000(0000) GS:ffff88041fb40000(0000) knlGS:0000000000000000
[  690.938740] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  690.938743] CR2: 000000000069c538 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  690.938746] Stack:
[  690.938748]  0000000581009875 ffff88041fb5a100 ffff88040b6a9ea8 ffffffff81c66c60
[  690.938753]  000000a0e2cf481a ffffffff8143e5ab 0000000000000004 0000000000000004
[  690.938758]  0000000000000000 ffffffff81c66c60 0000000000000005 ffff88041fb5a100
[  690.938763] Call Trace:
[  690.938769]  [<ffffffff8143e5ab>] cpuidle_enter_state+0x3b/0xc0
[  690.938776]  [<ffffffff8143e6ea>] cpuidle_idle_call+0xba/0x1f0
[  690.938781]  [<ffffffff8100b2e5>] arch_cpu_idle+0x5/0x30
[  690.938786]  [<ffffffff8109db28>] cpu_startup_entry+0xc8/0x260
[  690.938792]  [<ffffffff8102c988>] start_secondary+0x208/0x2b0
[  690.938795] Code: 31 d2 48 83 c0 10 48 89 d1 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b9 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <85> 1d 59 8f 94 00 75 0f 48 8d 74 24 04 bf 05 00 00 00 e8 88 78 
[  690.938821] NMI backtrace for cpu 1
[  690.938825] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G      D W    3.11.6-4-default #1
[  690.938828] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  690.938830] task: ffff88040b6906c0 ti: ffff88040b692000 task.ti: ffff88040b692000
[  690.938832] RIP: 0010:[<ffffffff8131dcf1>]  [<ffffffff8131dcf1>] intel_idle+0xa1/0xf0
[  690.938835] RSP: 0018:ffff88040b693e50  EFLAGS: 00000046
[  690.938837] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000001
[  690.938840] RDX: 0000000000000000 RSI: ffffffff81c66c60 RDI: 0000000000000001
[  690.938842] RBP: 0000000000000004 R08: 0000000000000f95 R09: ffff88041fa504f8
[  690.938844] R10: 7fffffffffffffff R11: ffff88040b6d5028 R12: 0000000000000020
[  690.938846] R13: 0000000000000003 R14: 0000000000000004 R15: ffffffff81c66dd8
[  690.938848] FS:  0000000000000000(0000) GS:ffff88041fa40000(0000) knlGS:0000000000000000
[  690.938851] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  690.938853] CR2: 00000000010d6008 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  690.938855] Stack:
[  690.938856]  0000000181009875 ffff88041fa5a100 ffff88040b693ea8 ffffffff81c66c60
[  690.938859]  000000a0de84f332 ffffffff8143e5ab 0000000000000004 0000000000000004
[  690.938862]  0000000000000000 ffffffff81c66c60 0000000000000001 ffff88041fa5a100
[  690.938865] Call Trace:
[  690.938869]  [<ffffffff8143e5ab>] cpuidle_enter_state+0x3b/0xc0
[  690.938872]  [<ffffffff8143e6ea>] cpuidle_idle_call+0xba/0x1f0
[  690.938876]  [<ffffffff8100b2e5>] arch_cpu_idle+0x5/0x30
[  690.938879]  [<ffffffff8109db28>] cpu_startup_entry+0xc8/0x260
[  690.938883]  [<ffffffff8102c988>] start_secondary+0x208/0x2b0
[  690.938885] Code: 31 d2 48 83 c0 10 48 89 d1 0f 01 c8 0f ae f0 65 48 8b 04 25 30 b9 00 00 48 8b 80 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <85> 1d 59 8f 94 00 75 0f 48 8d 74 24 04 bf 05 00 00 00 e8 88 78 
[  690.938902] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 1.661 msecs
[  715.465327] BUG: soft lockup - CPU#6 stuck for 23s! [btrfs-delayed-m:1597]
[  715.465329] BUG: soft lockup - CPU#4 stuck for 23s! [kworker/u16:7:104]
[  715.465330] Modules linked in: btrfs raid6_pq zlib_deflate xor libcrc32c dm_mod nls_utf8 parport_pc parport arc4 ecb nfs lockd fscache nls_iso8859_1 hid_generic nls_cp437 usbhid af_packet sg st
[  715.465336] Modules linked in:
[  715.465336]  btrfs
[  715.465337]  raid6_pq
[  715.465338]  zlib_deflate
[  715.465338]  xor
[  715.465339]  libcrc32c
[  715.465339]  dm_mod
[  715.465339]  nls_utf8
[  715.465339]  parport_pc
[  715.465340]  parport
[  715.465340]  arc4
[  715.465340]  ecb
[  715.465340]  nfs
[  715.465340]  lockd
[  715.465341]  fscache
[  715.465341]  nls_iso8859_1
[  715.465341]  hid_generic
[  715.465341]  nls_cp437
[  715.465341]  usbhid
[  715.465342]  af_packet
[  715.465342]  sg
[  715.465342]  st
[  715.465343]  usb_storage
[  715.465343]  sunrpc
[  715.465343]  eeepc_wmi
[  715.465344]  asus_wmi
[  715.465344]  sparse_keymap
[  715.465345]  rfkill
[  715.465354]  i915
[  715.465354]  crc32_pclmul
[  715.465355]  drm_kms_helper
[  715.465355]  crc32c_intel
[  715.465355]  ghash_clmulni_intel
[  715.465356]  drm
[  715.465356]  xhci_hcd
[  715.465357]  aesni_intel
[  715.465366]  ablk_helper
[  715.465366]  e1000
[  715.465366]  cryptd
[  715.465367]  lrw
[  715.465367]  ehci_pci
[  715.465368]  ehci_hcd
[  715.465368]  gf128mul
[  715.465368]  usbcore
[  715.465369]  glue_helper
[  715.465369]  lpc_ich
[  715.465370]  aes_x86_64
[  715.465370]  mfd_core
[  715.465370]  sr_mod
[  715.465371]  cdrom
[  715.465371]  r8169
[  715.465371]  mii
[  715.465371]  usb_common
[  715.465371]  i2c_algo_bit
[  715.465372]  fan
[  715.465372]  thermal
[  715.465373]  mperf
[  715.465373]  button
[  715.465373]  video
[  715.465374]  wmi
[  715.465374]  processor
[  715.465374]  thermal_sys
[  715.465375]  edd
[  715.465375]  squashfs
[  715.465376]  loop

[  715.465377] CPU: 6 PID: 1597 Comm: btrfs-delayed-m Tainted: G      D W    3.11.6-4-default #1
[  715.465377] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  715.465378] task: ffff8803fe190380 ti: ffff8803fe3fc000 task.ti: ffff8803fe3fc000
[  715.465379] RIP: 0010:[<ffffffff812ca348>] 
[  715.465380]  [<ffffffff812ca348>] __read_lock_failed+0x8/0x10
[  715.465381] RSP: 0018:ffff8803fe3fda60  EFLAGS: 00000297
[  715.465381] RAX: 0000000197750000 RBX: 0000000000001000 RCX: 0000000000000001
[  715.465382] RDX: ffff880000000000 RSI: ffff8803d1eaa320 RDI: ffff8803d1eaa390
[  715.465382] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8802785ba280
[  715.465383] R10: 000000000000001f R11: 0000000000000000 R12: ffff8803fe3fdad8
[  715.465384] R13: 00000000000004c7 R14: ffffffffa0466a6d R15: ffff880405d7c000
[  715.465384] FS:  0000000000000000(0000) GS:ffff88041fb80000(0000) knlGS:0000000000000000
[  715.465385] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  715.465385] CR2: 00007fb737ed7000 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  715.465386] Stack:
[  715.465386]  ffffffff815670ca
[  715.465387]  ffffffffa049e901
[  715.465387]  ffff8802b0f06640
[  715.465387]  0000000000000001

[  715.465388]  ffffffffa0449fc6
[  715.465388]  ffff8803fe3fdb57
[  715.465389]  0000000000000000
[  715.465389]  ffffffff00000001

[  715.465390]  0000000100000000
[  715.465390]  ffff880404fa6ef0
[  715.465390]  ffff880200a82978
[  715.465391]  0000000000000206

[  715.465391] Call Trace:

[  715.465394]  [<ffffffff815670ca>] _raw_read_lock+0xa/0x10

[  715.465401]  [<ffffffffa049e901>] btrfs_try_tree_read_lock+0x21/0x50 [btrfs]

[  715.465434]  [<ffffffffa0449fc6>] btrfs_search_slot+0x816/0x9b0 [btrfs]
[  715.465438]  usb_storage
[  715.465440]  sunrpc

[  715.465449]  [<ffffffffa04535a5>] btrfs_lookup_extent_info+0x95/0x460 [btrfs]
[  715.465440]  eeepc_wmi asus_wmi sparse_keymap rfkill i915 crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel drm xhci_hcd aesni_intel ablk_helper e1000 cryptd lrw ehci_pci ehci_hcd gf128mul usbcore glue_helper lpc_ich aes_x86_64 mfd_core sr_mod cdrom r8169 mii usb_common i2c_algo_bit fan thermal mperf button video wmi processor thermal_sys edd squashfs loop
[  715.465457] CPU: 4 PID: 104 Comm: kworker/u16:7 Tainted: G      D W    3.11.6-4-default #1
[  715.465460]  [<ffffffffa04452df>] update_ref_for_cow+0x1cf/0x3d0 [btrfs]
[  715.465463] Hardware name: System manufacturer System Product Name/P8Z77-V LX, BIOS 1902 04/12/2013
[  715.465466] Workqueue: writeback bdi_writeback_workfn
[  715.465470]  [<ffffffffa0445726>] __btrfs_cow_block+0x246/0x570 [btrfs]
[  715.465473]  (flush-btrfs-1)
[  715.465478]  [<ffffffffa0445bf8>] btrfs_cow_block+0x118/0x1c0 [btrfs]
[  715.465479] task: ffff88040513a2c0 ti: ffff88040513c000 task.ti: ffff88040513c000
[  715.465481] RIP: 0010:[<ffffffff812ca32f>]  [<ffffffff812ca32f>] __write_lock_failed+0xf/0x20
[  715.465481] RSP: 0018:ffff88040513daa0  EFLAGS: 00000287
[  715.465482] RAX: 0000000000000000 RBX: 0000000000001000 RCX: 0000000000000003
[  715.465482] RDX: 0000000000000000 RSI: ffff8803d1eaa354 RDI: ffff8803d1eaa390
[  715.465482] RBP: 0000000000000000 R08: ca40000000000000 R09: a800164865200000
[  715.465483] R10: 57ffd3b7a0721948 R11: 000000000000000b R12: ffff880404e4b8b0
[  715.465483] R13: ffff8804057e4cd0 R14: 000000000089eee0 R15: 0000000000000000
[  715.465484] FS:  0000000000000000(0000) GS:ffff88041fb00000(0000) knlGS:0000000000000000
[  715.465485] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  715.465485] CR2: 000000000069c538 CR3: 0000000001c0e000 CR4: 00000000001407e0
[  715.465485] Stack:
[  715.465487]  ffffffff8156712e ffffffffa049e951 ffffea0005921980 ffffffffa048a54b
[  715.465488]  ffff88041ec03380 ffff88040513db60 ffffffffa0484600 0000000000000000
[  715.465489]  0000000000000000 0000000000000000 ffff88040513dc08 ffff880404e4bc28
[  715.465489] Call Trace:
[  715.465492]  [<ffffffff8156712e>] _raw_write_lock+0xe/0x10
[  715.465499]  [<ffffffffa049e951>] btrfs_try_tree_write_lock+0x21/0x70 [btrfs]
[  715.465527]  [<ffffffffa0449c05>] btrfs_search_slot+0x455/0x9b0 [btrfs]
[  715.465533]  [<ffffffffa048a54b>] btree_write_cache_pages+0x25b/0x820 [btrfs]
[  715.465546]  [<ffffffffa0461645>] btrfs_lookup_inode+0x25/0xa0 [btrfs]
[  715.465558]  [<ffffffff811a0184>] __writeback_single_inode+0x34/0x210
[  715.465564]  [<ffffffffa04b7e3b>] __btrfs_update_delayed_inode+0x3b/0xe0 [btrfs]
[  715.465568]  [<ffffffff811a0dac>] writeback_sb_inodes+0x19c/0x3d0
[  715.465572]  [<ffffffff811a106e>] __writeback_inodes_wb+0x8e/0xc0
[  715.465576]  [<ffffffff811a12e3>] wb_writeback+0x243/0x2d0
[  715.465579]  [<ffffffff811a2cbc>] bdi_writeback_workfn+0x1ac/0x3b0
[  715.465582]  [<ffffffff810687fd>] process_one_work+0x16d/0x420
[  715.465586]  [<ffffffff810693c6>] worker_thread+0x116/0x3b0
[  715.465589]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  715.465592]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  715.465595] Code: c0 66 66 90 c3 b8 f2 ff ff ff 66 66 90 c3 

[  715.465604]  [<ffffffffa04b80db>] btrfs_async_run_delayed_root+0x1fb/0x220 [btrfs]
[  715.465606] 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f0 81 07 00 00 10 00 f3 90 81 3f 00 00 10 00 <75> f6 f0 81 2f 00 00 10 00 75 e6 c3 0f 1f 44 00 00 f0 ff 07 f3 
[  715.465661]  [<ffffffffa0497310>] worker_loop+0x140/0x520 [btrfs]
[  715.465716]  [<ffffffff8106f8df>] kthread+0xaf/0xc0
[  715.465722]  [<ffffffff8156ee3c>] ret_from_fork+0x7c/0xb0
[  715.465726] Code: 90 90 90 f0 81 07 00 00 10 00 f3 90 81 3f 00 00 10 00 75 f6 f0 81 2f 00 00 10 00 75 e6 c3 0f 1f 44 00 00 f0 ff 07 f3 90 83 3f 01 <78> f9 f0 ff 0f 78 f1 c3 57 56 51 41 50 41 51 41 52 41 53 52 48