Oops Crash.

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[  344.388322] kjournald starting.  Commit interval 5 seconds
[  344.388705] EXT3-fs (sda8): using internal journal
[  344.388709] EXT3-fs (sda8): mounted filesystem with ordered data mode
[  358.801993] type=1400 audit(1403753465.554:32): apparmor="DENIED" operation="capable" parent=1 profile="/usr/sbin/cupsd" pid=1090 comm="cupsd" pid=1090 comm="cupsd" capability=36  capname="block_suspend"
[ 2223.820869] BUG: unable to handle kernel NULL pointer dereference at 00000000000008b2
[ 2223.820991] IP: [<ffffffff811ce585>] ep_poll+0x75/0x380
[ 2223.821063] PGD 0
[ 2223.821093] Oops: 0000 [#1] SMP
[ 2223.821144] CPU 0
[ 2223.821171] Modules linked in: pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) rfcomm bnep bluetooth parport_pc ppdev binfmt_misc snd_hda_codec_hdmi kvm_amd kvm usblp asus_atk0110 snd_hda_codec_via microcode snd_seq_midi snd_rawmidi snd_hda_intel snd_hda_codec psmouse serio_raw snd_hwdep k10temp snd_pcm snd_seq_midi_event edac_core edac_mce_amd sp5100_tco snd_seq i2c_piix4 snd_timer snd_seq_device wmi mac_hid snd radeon ttm drm_kms_helper drm i2c_algo_bit soundcore snd_page_alloc shpchp hwmon_vid lp parport hid_generic usbhid hid usb_storage pata_atiixp ahci libahci atl1e firewire_ohci firewire_core crc_itu_t [last unloaded: ipmi_msghandler]
[ 2223.822147]
[ 2223.822151] Pid: 3204, comm: Chrome_IOThread Tainted: G           O 3.5.0-49-generic #74~precise1-Ubuntu System manufacturer System Product Name/M4A78T-E
[ 2223.822336] RIP: 0010:[<ffffffff811ce585>]  [<ffffffff811ce585>] ep_poll+0x75/0x380
[ 2223.822436] RSP: 0018:ffff8801c2a6de88  EFLAGS: 00010297
[ 2223.822505] RAX: 00000000000008b2 RBX: ffff8801d521d900 RCX: 0000000225c17d03
[ 2223.822595] RDX: 000000003317130f RSI: 0000000000000000 RDI: 0000000000000000
[ 2223.822685] RBP: ffff8801c2a6df38 R08: 00000000000003e8 R09: 0000000000000000
[ 2223.822776] R10: 000000000000004a R11: 0000000000000293 R12: 0000000000000020
[ 2223.822865] R13: 0000000000000020 R14: 000000000000004a R15: 000000000001210f
[ 2223.822955] FS:  00007ffe31dc8700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
[ 2223.823058] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2223.823131] CR2: 00000000000008b2 CR3: 00000001d3287000 CR4: 00000000000007f0
[ 2223.823220] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2223.823310] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 2223.823401] Process Chrome_IOThread (pid: 3204, threadinfo ffff8801c2a6c000, task ffff8801d10b5c40)
[ 2223.823514] Stack:
[ 2223.823541]  ffff880100000000 00000123bc607c00 00000001c2a6ded8 0000000000000000
[ 2223.823647]  00000000000008b2 000000003317130f 0000000004000001 00007ffe31dc7800
[ 2223.823754]  ffff8801c2a6dee8 ffffffff810b05be ffff8801c2a6df08 ffffffff811cde41
[ 2223.823860] Call Trace:
[ 2223.823896]  [<ffffffff810b05be>] ? do_futex+0x12e/0x1b0
[ 2223.823966]  [<ffffffff811cde41>] ? ep_remove+0xb1/0xd0
[ 2223.824033]  [<ffffffff811cf1a5>] sys_epoll_wait+0xc5/0xe0
[ 2223.824106]  [<ffffffff816a8029>] system_call_fastpath+0x16/0x1b
[ 2223.824183] Code: 70 ff ff ff 48 89 45 b0 e8 f9 d6 fc ff 49 89 c7 48 8b 45 b0 48 b9 03 7d c1 25 02 00 00 00 48 8b 55 b8 48 39 c8 0f 8f fb 02 00 00 <48> 69 c0 00 ca 9a 3b 48 01 d0 48 8d 4d c0 4c 8d 73 58 48 89 45
[ 2223.824650] RIP  [<ffffffff811ce585>] ep_poll+0x75/0x380
[ 2223.824723]  RSP <ffff8801c2a6de88>
[ 2223.824767] CR2: 00000000000008b2
[ 2223.858835] ---[ end trace 9ea0b530747c909d ]---