Created attachment 111751 [details] dmesg output $ uname -a Linux localhost.localdomain 3.11.5-302.fc20.x86_64+debug #1 SMP Wed Oct 16 18:00:48 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux $ lspci 00:00.0 Host bridge: Intel Corporation 4th Gen Core Processor DRAM Controller (rev 06) 00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller (rev 06) 00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller (rev 06) 00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI (rev 04) 00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1 (rev 04) 00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 (rev 04) 00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #1 (rev d4) 00:1c.2 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #3 (rev d4) 00:1c.3 PCI bridge: Intel Corporation 82801 PCI Bridge (rev d4) 00:1c.4 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #5 (rev d4) 00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #1 (rev 04) 00:1f.0 ISA bridge: Intel Corporation Z87 Express LPC Controller (rev 04) 00:1f.2 SATA controller: Intel Corporation 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] (rev 04) 00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family SMBus Controller (rev 04) 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 06) 03:00.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 41) 04:01.0 Multimedia audio controller: Creative Labs SB Audigy (rev 04) 04:01.1 Input device controller: Creative Labs SB Audigy Game Port (rev 04) 04:01.2 FireWire (IEEE 1394): Creative Labs SB Audigy FireWire Port (rev 04) 05:00.0 Audio device: Creative Labs Device 0012 (rev 01) $ lsusb Bus 002 Device 002: ID 8087:8000 Intel Corp. Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:8008 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 066: ID 2109:0811 Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 004: ID 12d1:1506 Huawei Technologies Co., Ltd. Modem/Networkcard Bus 003 Device 007: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode) Bus 003 Device 006: ID 046d:c52b Logitech, Inc. Unifying Receiver Bus 003 Device 008: ID 04d9:1503 Holtek Semiconductor, Inc. Shortboard Lefty Bus 003 Device 005: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB Bus 003 Device 003: ID 1a40:0201 Terminus Technology Inc. FE 2.1 7-port Hub Bus 003 Device 002: ID 2109:0811 Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub [14123.888795] BUG: unable to handle kernel NULL pointer dereference at 00000000000001d4 [14123.889907] IP: [<ffffffff81214ded>] mntput+0xd/0x40 [14123.890481] PGD 4f3f06067 PUD 0 [14123.891057] Oops: 0000 [#1] SMP [14123.891771] Modules linked in: btrfs zlib_deflate raid6_pq xor hfsplus hfs minix vfat msdos fat jfs xfs libcrc32c reiserfs nls_utf8 isofs fuse nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE ip6t_REJECT xt_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw bnep iTCO_wdt iTCO_vendor_support ppdev snd_hda_codec_ca0132 x86_pkg_temp_thermal coretemp kvm_intel kvm crc32_pclmul crc32c_intel hid_logitech_dj ghash_clmulni_intel option usb_wwan microcode cdc_ncm usbnet usb_storage btusb bluetooth rfkill serio_raw i2c_i801 [14123.894111] snd_hda_codec_realtek snd_emu10k1 firewire_ohci snd_util_mem snd_hda_codec_hdmi snd_rawmidi firewire_core snd_ac97_codec emu10k1_gp crc_itu_t snd_hda_intel snd_hda_codec ac97_bus gameport snd_seq r8169 snd_hwdep snd_seq_device snd_pcm mii lpc_ich mfd_core shpchp snd_page_alloc snd_timer snd soundcore mei_me mei parport_pc parport acpi_cpufreq mperf binfmt_misc nfsd auth_rpcgss nfs_acl lockd sunrpc i915 i2c_algo_bit drm_kms_helper drm i2c_core video [14123.896440] CPU: 2 PID: 3096 Comm: chrome Tainted: G W 3.11.5-302.fc20.x86_64+debug #1 [14123.897216] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F8 08/03/2013 [14123.898006] task: ffff88075ddec960 ti: ffff880759420000 task.ti: ffff880759420000 [14123.898800] RIP: 0010:[<ffffffff81214ded>] [<ffffffff81214ded>] mntput+0xd/0x40 [14123.899605] RSP: 0018:ffff880759421ed0 EFLAGS: 00010206 [14123.900434] RAX: 0000000000000100 RBX: ffff88075e1fd198 RCX: ffff880759420000 [14123.901368] RDX: 0000000000000080 RSI: ffffffffffffff92 RDI: 0000000000000100 [14123.902245] RBP: ffff880759421ee0 R08: 0000000000000000 R09: 0000000000000001 [14123.903084] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88075e1fd180 [14123.903903] R13: ffff88075e1fd180 R14: ffff88075ddec960 R15: ffff88075e1fd180 [14123.904730] FS: 00007f359f103a40(0000) GS:ffff88081e000000(0000) knlGS:0000000000000000 [14123.905577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [14123.906431] CR2: 00000000000001d4 CR3: 000000075940e000 CR4: 00000000001407e0 [14123.907269] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [14123.908203] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [14123.909608] Stack: [14123.913002] ffffffff811fc57e ffff88075e1fcf38 ffff880759421f18 ffffffff811195ac [14123.916187] ffff880759421f58 0000000000000001 00007fff619fe1f0 ffffffffffffff92 [14123.919550] 00007f35a3bdab00 ffff880759421f40 ffffffff8102734d 0000000021b973a6 [14123.922786] Call Trace: [14123.925995] [<ffffffff811fc57e>] ? path_put+0x1e/0x30 [14123.927014] [<ffffffff811195ac>] __audit_syscall_exit+0x11c/0x2a0 [14123.928104] [<ffffffff8102734d>] syscall_trace_leave+0x8d/0x140 [14123.928977] [<ffffffff8173c0f7>] int_check_syscall_exit_work+0x34/0x3d [14123.929856] Code: 00 00 00 00 00 00 00 e8 c2 56 e9 ff 4c 89 e7 e8 4a 81 ee ff e9 fa fe ff ff 0f 1f 44 00 00 0f 1f 44 00 00 48 85 ff 48 89 f8 74 1a <44> 8b 88 d4 00 00 00 55 48 8d 7f e0 48 89 e5 45 85 c9 75 08 e8 [14123.930854] RIP [<ffffffff81214ded>] mntput+0xd/0x40 [14123.931810] RSP <ffff880759421ed0> [14123.932725] CR2: 00000000000001d4 [14123.939632] ---[ end trace e11fe7ce05a9bd8d ]---
*** This bug has been marked as a duplicate of bug 64521 ***