Bug 108471

[105602.574579] ------------[ cut here ]------------
[105602.574609] kernel BUG at drivers/block/nvme-core.c:721!
[105602.574635] invalid opcode: 0000 [#1] SMP
[105602.574663] Modules linked in: nbd rpcsec_gss_krb5 nfsv4 ip_set ip6table_filter ip6_tables iptable_filter ip_tables x_tables nfsd auth_rpcgss nfs_acl nfs lockd grace fscache sunrpc ib_iser rdma_cm iw_cm iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfnetlink_log nfnetlink zfs(PO) zunicode(PO) zcommon(PO) znvpair(PO) spl(O) zavl(PO) intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel snd_pcm aes_x86_64 lrw snd_timer snd gf128mul soundcore iTCO_wdt input_leds gpio_ich glue_helper psmouse shpchp ablk_helper iTCO_vendor_support 8250_fintek i5500_temp ioatdma cryptd pcspkr serio_raw i7core_edac lpc_ich edac_core i2c_i801 mac_hid vhost_net vhost macvtap macvlan ib_ipoib ib_cm ib_umad mlx4_ib ib_sa ib_mad ib_core ib_addr autofs4 raid10 hid_generic
[105602.575073]  usbmouse usbkbd usbhid hid bcache igb i2c_algo_bit dca ahci ptp libahci pps_core mlx4_core nvme
[105602.575145] CPU: 1 PID: 21994 Comm: kvm Tainted: P          IO    4.2.2-1-pve #1
[105602.575188] Hardware name: Supermicro X8DTG-D/X8DTG-D, BIOS 080016  02/23/2011
[105602.575231] task: ffff880083f62580 ti: ffff88052ed68000 task.ti: ffff88052ed68000
[105602.575274] RIP: 0010:[<ffffffffc0002b69>]  [<ffffffffc0002b69>] nvme_queue_rq+0x9b9/0x9f0 [nvme]
[105602.575326] RSP: 0018:ffff88052ed6bbb8  EFLAGS: 00010286
[105602.575351] RAX: 0000000000000000 RBX: ffff880c01d908a0 RCX: ffff880266376e00
[105602.575394] RDX: 0000000000000001 RSI: 0000000000000246 RDI: 0000000000000246
[105602.575436] RBP: ffff88052ed6bc68 R08: 0000000000001000 R09: 0000000000000200
[105602.575478] R10: 0000000b4221d000 R11: ffff880bf528df20 R12: ffff880bffc26600
[105602.575520] R13: 00000000fffffa00 R14: ffff880bffd61680 R15: ffff880bf528dec0
[105602.575563] FS:  00007feb409a1b40(0000) GS:ffff880c0f040000(0000) knlGS:0000000000000000
[105602.575607] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[105602.575633] CR2: 00007ff6e0a9f25a CR3: 0000000b6b676000 CR4: 00000000000026e0
[105602.575675] Stack:
[105602.575695]  0000000000000ff8 ffff880bf528df60 0000200002cddd78 000000000019c931
[105602.575744]  ffff880036033500 ffff880bf528df20 0000000b4221c000 ffff880c00001200
[105602.575793]  ffff880c00001000 0000000000001000 0000000100002000 ffff880bf528df00
[105602.575842] Call Trace:
[105602.575870]  [<ffffffff81388602>] __blk_mq_run_hw_queue+0x1d2/0x360
[105602.575898]  [<ffffffff8138841a>] blk_mq_run_hw_queue+0x8a/0xa0
[105602.575926]  [<ffffffff81389886>] blk_mq_insert_requests+0xc6/0x120
[105602.575953]  [<ffffffff8138a489>] blk_mq_flush_plug_list+0x119/0x130
[105602.575982]  [<ffffffff81380337>] blk_flush_plug_list+0xc7/0x220
[105602.576009]  [<ffffffff813807d9>] blk_finish_plug+0x29/0x40
[105602.576039]  [<ffffffff8123a498>] do_io_submit+0x2b8/0x4f0
[105602.576066]  [<ffffffff8123a6e0>] SyS_io_submit+0x10/0x20
[105602.576094]  [<ffffffff817cfd72>] entry_SYSCALL_64_fastpath+0x16/0x75
[105602.576122] Code: 48 8b 7d a8 89 75 88 44 89 45 90 e8 22 8d 3b c1 44 8b 4d 80 49 89 c3 4c 8b 50 10 44 8b 68 18 8b 75 88 44 8b 45 90 e9 d3 fc ff ff <0f> 0b 48 8b 05 8e 9a c1 c1 e9 cd fe ff ff 8b 45 a0 44 29 c8 89
[105602.576319] RIP  [<ffffffffc0002b69>] nvme_queue_rq+0x9b9/0x9f0 [nvme]
[105602.576350]  RSP <ffff88052ed6bbb8>
[105602.576603] ---[ end trace b73815bde097ed53 ]---