Just happened again. Here are the logs from this time. Note that in the syslog there are entries from pulse audio and wpasupplicant after the big scary bug that I thought was killing the system. I'm thinking these errors I am posting, although the lines immediately prior to the restart in the logs, might not immeadiately cause the panics. What do I know though...
Panic 2: Kern.log Jan 16 15:36:51 austin-laptop kernel: [ 3987.532522] CE: hpet increasing min_delta_ns to 22500 nsec Jan 16 15:39:45 austin-laptop kernel: [ 4162.105371] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105389] IP: [<ffffffff811272d9>] pipe_read+0xf9/0x4c0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105410] PGD dbd06067 PUD dbd05067 PMD 0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105421] Oops: 0000 [#1] SMP Jan 16 15:39:45 austin-laptop kernel: [ 4162.105429] last sysfs file: /sys/devices/LNXSYSTM:00/device:00/PNP0C0A:00/power_supply/BAT0/charge_full Jan 16 15:39:45 austin-laptop kernel: [ 4162.105438] CPU 1 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105443] Modules linked in: binfmt_misc ppdev vboxnetadp vboxnetflt vboxdrv joydev snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm lib80211_crypt_tkip psmouse iptable_filter serio_raw dell_wmi ip_tables x_tables snd_seq_dummy pcmcia snd_seq_oss dell_laptop dcdbas wl(P) lib80211 snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore snd_page_alloc hfsplus hfs nvidia(P) yenta_socket rsrc_nonstatic pcmcia_core lp parport dm_raid45 xor ohci1394 ieee1394 tg3 intel_agp video output Jan 16 15:39:45 austin-laptop kernel: [ 4162.105550] Pid: 2269, comm: nautilus Tainted: P 2.6.31-17-generic #54-Ubuntu Latitude D630 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105557] RIP: 0010:[<ffffffff811272d9>] [<ffffffff811272d9>] pipe_read+0xf9/0x4c0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105568] RSP: 0018:ffff8800dbcb7d08 EFLAGS: 00010286 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105574] RAX: ffff880103c37c50 RBX: 0000000000000000 RCX: ffff880103c37ca8 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105580] RDX: 0000000000000000 RSI: ffff880103c37ca8 RDI: ffff880103c37c00 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105586] RBP: ffff8800dbcb7db8 R08: ffffffff8111f110 R09: 0000000000000000 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105592] R10: 00007fffa1935df0 R11: 0000000000000202 R12: ffff8800db711900 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105598] R13: ffff8800dbcb7eb8 R14: ffff8800dbcb7f48 R15: 0000000000d4eea0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105606] FS: 00007f39f56ca800(0000) GS:ffff88002803d000(0000) knlGS:0000000000000000 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105619] CR2: 0000000000000018 CR3: 00000000dbd03000 CR4: 00000000000006e0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105625] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105631] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105639] Process nautilus (pid: 2269, threadinfo ffff8800dbcb6000, task ffff880104a38000) Jan 16 15:39:45 austin-laptop kernel: [ 4162.105644] Stack: Jan 16 15:39:45 austin-laptop kernel: [ 4162.105648] ffff8800dbcb3a80 ffff880037d72308 ffff880103c37c48 ffff880037d89600 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105657] <0> ffff8800db711900 0000000200000000 ffff8800dbcb7d40 0000000000000000 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105668] <0> ffff880103c37ca8 0000000000000000 ffff8800dbcb7eb8 0000000000000002 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105680] Call Trace: Jan 16 15:39:45 austin-laptop kernel: [ 4162.105694] [<ffffffff8111f202>] do_sync_read+0xf2/0x130 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105705] [<ffffffff81078b20>] ? autoremove_wake_function+0x0/0x40 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105718] [<ffffffff81220b51>] ? security_file_permission+0x11/0x20 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105727] [<ffffffff8111f7e5>] vfs_read+0xb5/0x1a0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105737] [<ffffffff8152c7b4>] ? do_page_fault+0x194/0x370 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105746] [<ffffffff8111fdec>] sys_read+0x4c/0x80 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105757] [<ffffffff81012002>] system_call_fastpath+0x16/0x1b Jan 16 15:39:45 austin-laptop kernel: [ 4162.105762] Code: 7c ff ff ff 48 8d 04 92 48 89 55 a8 48 c1 e0 03 48 8d 4c 01 58 48 03 45 c8 48 89 4d 90 48 89 ce 48 8b 50 68 48 89 55 98 8b 58 64 <ff> 52 18 85 c0 0f 85 77 01 00 00 48 8b 45 a0 48 83 78 08 00 75 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105853] RIP [<ffffffff811272d9>] pipe_read+0xf9/0x4c0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105862] RSP <ffff8800dbcb7d08> Jan 16 15:39:45 austin-laptop kernel: [ 4162.105866] CR2: 0000000000000018 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105873] ---[ end trace 4bcda03944980221 ]--- Messages: Jan 16 15:36:51 austin-laptop kernel: [ 3987.532522] CE: hpet increasing min_delta_ns to 22500 nsec Jan 16 15:39:45 austin-laptop kernel: [ 4162.105410] PGD dbd06067 PUD dbd05067 PMD 0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105438] CPU 1 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105443] Modules linked in: binfmt_misc ppdev vboxnetadp vboxnetflt vboxdrv joydev snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm lib80211_crypt_tkip psmouse iptable_filter serio_raw dell_wmi ip_tables x_tables snd_seq_dummy pcmcia snd_seq_oss dell_laptop dcdbas wl(P) lib80211 snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore snd_page_alloc hfsplus hfs nvidia(P) yenta_socket rsrc_nonstatic pcmcia_core lp parport dm_raid45 xor ohci1394 ieee1394 tg3 intel_agp video output Jan 16 15:39:45 austin-laptop kernel: [ 4162.105550] Pid: 2269, comm: nautilus Tainted: P 2.6.31-17-generic #54-Ubuntu Latitude D630 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105557] RIP: 0010:[<ffffffff811272d9>] [<ffffffff811272d9>] pipe_read+0xf9/0x4c0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105568] RSP: 0018:ffff8800dbcb7d08 EFLAGS: 00010286 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105574] RAX: ffff880103c37c50 RBX: 0000000000000000 RCX: ffff880103c37ca8 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105580] RDX: 0000000000000000 RSI: ffff880103c37ca8 RDI: ffff880103c37c00 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105586] RBP: ffff8800dbcb7db8 R08: ffffffff8111f110 R09: 0000000000000000 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105592] R10: 00007fffa1935df0 R11: 0000000000000202 R12: ffff8800db711900 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105598] R13: ffff8800dbcb7eb8 R14: ffff8800dbcb7f48 R15: 0000000000d4eea0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105606] FS: 00007f39f56ca800(0000) GS:ffff88002803d000(0000) knlGS:0000000000000000 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105619] CR2: 0000000000000018 CR3: 00000000dbd03000 CR4: 00000000000006e0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105625] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105631] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105639] Process nautilus (pid: 2269, threadinfo ffff8800dbcb6000, task ffff880104a38000) Jan 16 15:39:45 austin-laptop kernel: [ 4162.105648] ffff8800dbcb3a80 ffff880037d72308 ffff880103c37c48 ffff880037d89600 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105657] <0> ffff8800db711900 0000000200000000 ffff8800dbcb7d40 0000000000000000 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105668] <0> ffff880103c37ca8 0000000000000000 ffff8800dbcb7eb8 0000000000000002 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105694] [<ffffffff8111f202>] do_sync_read+0xf2/0x130 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105705] [<ffffffff81078b20>] ? autoremove_wake_function+0x0/0x40 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105718] [<ffffffff81220b51>] ? security_file_permission+0x11/0x20 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105727] [<ffffffff8111f7e5>] vfs_read+0xb5/0x1a0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105737] [<ffffffff8152c7b4>] ? do_page_fault+0x194/0x370 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105746] [<ffffffff8111fdec>] sys_read+0x4c/0x80 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105757] [<ffffffff81012002>] system_call_fastpath+0x16/0x1b Jan 16 15:39:45 austin-laptop kernel: [ 4162.105862] RSP <ffff8800dbcb7d08> Jan 16 15:39:45 austin-laptop kernel: [ 4162.105873] ---[ end trace 4bcda03944980221 ]--- syslog: Jan 16 15:39:45 austin-laptop kernel: [ 4162.105371] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105389] IP: [<ffffffff811272d9>] pipe_read+0xf9/0x4c0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105410] PGD dbd06067 PUD dbd05067 PMD 0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105421] Oops: 0000 [#1] SMP Jan 16 15:39:45 austin-laptop kernel: [ 4162.105429] last sysfs file: /sys/devices/LNXSYSTM:00/device:00/PNP0C0A:00/power_supply/BAT0/charge_full Jan 16 15:39:45 austin-laptop kernel: [ 4162.105438] CPU 1 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105443] Modules linked in: binfmt_misc ppdev vboxnetadp vboxnetflt vboxdrv joydev snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm lib80211_crypt_tkip psmouse iptable_filter serio_raw dell_wmi ip_tables x_tables snd_seq_dummy pcmcia snd_seq_oss dell_laptop dcdbas wl(P) lib80211 snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore snd_page_alloc hfsplus hfs nvidia(P) yenta_socket rsrc_nonstatic pcmcia_core lp parport dm_raid45 xor ohci1394 ieee1394 tg3 intel_agp video output Jan 16 15:39:45 austin-laptop kernel: [ 4162.105550] Pid: 2269, comm: nautilus Tainted: P 2.6.31-17-generic #54-Ubuntu Latitude D630 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105557] RIP: 0010:[<ffffffff811272d9>] [<ffffffff811272d9>] pipe_read+0xf9/0x4c0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105568] RSP: 0018:ffff8800dbcb7d08 EFLAGS: 00010286 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105574] RAX: ffff880103c37c50 RBX: 0000000000000000 RCX: ffff880103c37ca8 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105580] RDX: 0000000000000000 RSI: ffff880103c37ca8 RDI: ffff880103c37c00 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105586] RBP: ffff8800dbcb7db8 R08: ffffffff8111f110 R09: 0000000000000000 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105592] R10: 00007fffa1935df0 R11: 0000000000000202 R12: ffff8800db711900 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105598] R13: ffff8800dbcb7eb8 R14: ffff8800dbcb7f48 R15: 0000000000d4eea0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105606] FS: 00007f39f56ca800(0000) GS:ffff88002803d000(0000) knlGS:0000000000000000 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105619] CR2: 0000000000000018 CR3: 00000000dbd03000 CR4: 00000000000006e0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105625] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105631] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105639] Process nautilus (pid: 2269, threadinfo ffff8800dbcb6000, task ffff880104a38000) Jan 16 15:39:45 austin-laptop kernel: [ 4162.105644] Stack: Jan 16 15:39:45 austin-laptop kernel: [ 4162.105648] ffff8800dbcb3a80 ffff880037d72308 ffff880103c37c48 ffff880037d89600 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105657] <0> ffff8800db711900 0000000200000000 ffff8800dbcb7d40 0000000000000000 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105668] <0> ffff880103c37ca8 0000000000000000 ffff8800dbcb7eb8 0000000000000002 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105680] Call Trace: Jan 16 15:39:45 austin-laptop kernel: [ 4162.105694] [<ffffffff8111f202>] do_sync_read+0xf2/0x130 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105705] [<ffffffff81078b20>] ? autoremove_wake_function+0x0/0x40 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105718] [<ffffffff81220b51>] ? security_file_permission+0x11/0x20 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105727] [<ffffffff8111f7e5>] vfs_read+0xb5/0x1a0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105737] [<ffffffff8152c7b4>] ? do_page_fault+0x194/0x370 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105746] [<ffffffff8111fdec>] sys_read+0x4c/0x80 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105757] [<ffffffff81012002>] system_call_fastpath+0x16/0x1b Jan 16 15:39:45 austin-laptop kernel: [ 4162.105762] Code: 7c ff ff ff 48 8d 04 92 48 89 55 a8 48 c1 e0 03 48 8d 4c 01 58 48 03 45 c8 48 89 4d 90 48 89 ce 48 8b 50 68 48 89 55 98 8b 58 64 <ff> 52 18 85 c0 0f 85 77 01 00 00 48 8b 45 a0 48 83 78 08 00 75 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105853] RIP [<ffffffff811272d9>] pipe_read+0xf9/0x4c0 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105862] RSP <ffff8800dbcb7d08> Jan 16 15:39:45 austin-laptop kernel: [ 4162.105866] CR2: 0000000000000018 Jan 16 15:39:45 austin-laptop kernel: [ 4162.105873] ---[ end trace 4bcda03944980221 ]--- Jan 16 15:40:03 austin-laptop pulseaudio[2142]: alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write! Jan 16 15:40:03 austin-laptop pulseaudio[2142]: alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers. Jan 16 15:40:03 austin-laptop pulseaudio[2142]: alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail. Jan 16 15:40:20 austin-laptop wpa_supplicant[1187]: CTRL-EVENT-SCAN-RESULTS Jan 16 15:42:20 austin-laptop wpa_supplicant[1187]: CTRL-EVENT-SCAN-RESULTS Jan 16 15:44:20 austin-laptop wpa_supplicant[1187]: CTRL-EVENT-SCAN-RESULTS -- BUG: unable to handle kernel NULL pointer dereference at (null) https://bugs.launchpad.net/bugs/508508 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
