A similar crash happened to me right now. The laptop (Lenovo T420s) was idle at the time.
Xubuntu 12.04, 3.2.0-39-generic #62-Ubuntu Mar 25 12:47:37 feline kernel: [16716.034608] BUG: unable to handle kernel paging request at ffff8885ffffff20 Mar 25 12:47:37 feline kernel: [16716.034633] IP: [<ffffffff81216a7a>] ext4_da_page_release_reservation+0x4a/0xf0 Mar 25 12:47:37 feline kernel: [16716.034656] PGD 0 Mar 25 12:47:37 feline kernel: [16716.034663] Oops: 0000 [#1] SMP Mar 25 12:47:37 feline kernel: [16716.034673] CPU 1 Mar 25 12:47:37 feline kernel: [16716.034679] Modules linked in: acpi_call(O) bbswitch(O) bnep rfcomm hdaps(O) thinkpad_ec(O) parport_pc ppdev snd_hda_codec_conexant snd_hda_intel snd_hda_codec snd_hwdep thi nkpad_acpi snd_pcm snd_seq_midi arc4 snd_rawmidi snd_seq_midi_event snd_seq snd_timer uvcvideo videodev qcserial snd_seq_device v4l2_compat_ioctl32 usb_wwan joydev usbserial iwl wifi btusb bluetooth snd mac80211 psmouse cfg80211 serio_raw snd_page_alloc mei(C) tpm_tis mac_hid soundcore nvram wmi lp parport dm_crypt usbhid hid i915 sdhci_pci sdhci e1000e drm_kms_helper drm i2c_algo_bit video [last unloaded: ipmi_msghandler] Mar 25 12:47:37 feline kernel: [16716.034849] Mar 25 12:47:37 feline kernel: [16716.034855] Pid: 3219, comm: URL Classifier Tainted: G C O 3.2.0-39-generic #62-Ubuntu LENOVO 4170CTO/4170CTO Mar 25 12:47:37 feline kernel: [16716.034882] RIP: 0010:[<ffffffff81216a7a>] [<ffffffff81216a7a>] ext4_da_page_release_reservation+0x4a/0xf0 Mar 25 12:47:37 feline kernel: [16716.034907] RSP: 0018:ffff88022d811c78 EFLAGS: 00010287 Mar 25 12:47:37 feline kernel: [16716.034921] RAX: ffff8885ffffff00 RBX: 0000000000000000 RCX: 0000000000001091 Mar 25 12:47:37 feline kernel: [16716.034938] RDX: 0000000000001091 RSI: 0000000000000000 RDI: ffff8801e36df000 Mar 25 12:47:37 feline kernel: [16716.034955] RBP: ffff88022d811ca8 R08: 0000000000000002 R09: 0000000000000002 Mar 25 12:47:37 feline kernel: [16716.034972] R10: ffffea0006dcf4dc R11: 000000000000000d R12: ffff8801d537cfc0 Mar 25 12:47:37 feline kernel: [16716.034990] R13: ffff88022b1c8c00 R14: ffffea0006fd0340 R15: 0000000000000000 Mar 25 12:47:37 feline kernel: [16716.035007] FS: 00007f0cb04ff700(0000) GS:ffff88023e240000(0000) knlGS:0000000000000000 Mar 25 12:47:37 feline kernel: [16716.035027] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Mar 25 12:47:37 feline kernel: [16716.035041] CR2: ffff8885ffffff20 CR3: 000000022fe82000 CR4: 00000000000406e0 Mar 25 12:47:37 feline kernel: [16716.035059] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Mar 25 12:47:37 feline kernel: [16716.035076] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Mar 25 12:47:37 feline kernel: [16716.035094] Process URL Classifier (pid: 3219, threadinfo ffff88022d810000, task ffff88020b232e00) Mar 25 12:47:37 feline kernel: [16716.035116] Stack: Mar 25 12:47:37 feline kernel: [16716.035121] ffffea0007cc90c0 ffffea0006fd0340 0000000000000000 ffff8801d537d100 Mar 25 12:47:37 feline kernel: [16716.035141] 0000000000000000 0000000000000000 ffff88022d811cc8 ffffffff81216e8f Mar 25 12:47:37 feline kernel: [16716.035161] ffffea0006fd0340 ffff8801d537d100 ffff88022d811ce8 ffffffff811263be Mar 25 12:47:37 feline kernel: [16716.035181] Call Trace: Mar 25 12:47:37 feline kernel: [16716.035189] [<ffffffff81216e8f>] ext4_da_invalidatepage+0x2f/0x50 Mar 25 12:47:37 feline kernel: [16716.035207] [<ffffffff811263be>] truncate_inode_page+0x8e/0xa0 Mar 25 12:47:37 feline kernel: [16716.035223] [<ffffffff8112653a>] truncate_inode_pages_range+0x16a/0x4c0 Mar 25 12:47:37 feline kernel: [16716.035240] [<ffffffff811268a5>] truncate_inode_pages+0x15/0x20 Mar 25 12:47:37 feline kernel: [16716.035256] [<ffffffff8121d067>] ext4_evict_inode+0x117/0x480 Mar 25 12:47:37 feline kernel: [16716.035272] [<ffffffff81193f58>] evict+0xb8/0x1c0 Mar 25 12:47:37 feline kernel: [16716.035285] [<ffffffff81194148>] iput_final+0xe8/0x210 Mar 25 12:47:37 feline kernel: [16716.035298] [<ffffffff811942ae>] iput+0x3e/0x50 Mar 25 12:47:37 feline kernel: [16716.035311] [<ffffffff81188cb3>] do_unlinkat+0x153/0x1d0 Mar 25 12:47:37 feline kernel: [16716.035327] [<ffffffff8117e52a>] ? sys_newlstat+0x2a/0x40 Mar 25 12:47:37 feline kernel: [16716.035342] [<ffffffff81189886>] sys_unlink+0x16/0x20 Mar 25 12:47:37 feline kernel: [16716.035356] [<ffffffff81665f82>] system_call_fastpath+0x16/0x1b Mar 25 12:47:37 feline kernel: [16716.035371] Code: 20 49 8b 44 24 28 4c 8b a8 b0 02 00 00 48 8b 07 f6 c4 08 0f 84 b3 00 00 00 48 8b 7f 30 31 d2 31 db 48 89 f8 eb 05 0f 1f 00 89 ca <8b> 48 20 01 d1 48 39 f2 72 15 48 8b 10 80 e6 02 74 0d 83 c3 01 Mar 25 12:47:37 feline kernel: [16716.036357] RIP [<ffffffff81216a7a>] ext4_da_page_release_reservation+0x4a/0xf0 Mar 25 12:47:37 feline kernel: [16716.037289] RSP <ffff88022d811c78> Mar 25 12:47:37 feline kernel: [16716.038210] CR2: ffff8885ffffff20 Mar 25 12:47:38 feline kernel: [16716.280911] ---[ end trace 97938297ef3bb5a5 ]--- Mar 25 12:56:06 feline kernel: [17223.433029] BUG: unable to handle kernel paging request at ffffc4fdda9d8fff Mar 25 12:56:06 feline kernel: [17223.434034] IP: [<ffffffff81165a8a>] kmem_cache_alloc+0x5a/0x140 Mar 25 12:56:06 feline kernel: [17223.435010] PGD 0 Mar 25 12:56:06 feline kernel: [17223.435995] Oops: 0000 [#2] SMP -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/986182 Title: general protection fault: 0000 [#2] SMP To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/986182/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
