Public bug reported:
My X server crashed, and didn't manage to start back up properly. I had
to reboot, and after doing so, found this in the log.
Mar 18 13:11:05 perseus kernel: [32902.428216] [drm:i915_get_vblank_counter]
*ERROR* trying to get vblank count for disabled pipe 1
Mar 18 13:11:05 perseus kernel: [32902.559235] compiz.real[4206]: segfault at
20 ip 000000000041031e sp 00007fffc47bd130 error 4 in compiz.real[400000+3c000]
Mar 18 13:11:07 perseus kernel: [32902.851144] wlan0: disassociating by local
choice (reason=3)
Mar 18 13:11:07 perseus kernel: [32902.868011] wlan0: deauthenticated
Mar 18 13:11:07 perseus kernel: [32903.722009] npviewer.bin[4744]: segfault at
f556d030 ip 00000000f78bb9e0 sp 00000000fffd0c04 error 4 in
libpthread-2.9.so[f78
b4000+15000]
Mar 18 13:12:36 perseus kernel: [32993.457983] general protection fault: 0000
[#1] SMP
Mar 18 13:12:36 perseus kernel: [32993.457988] last sysfs file:
/sys/devices/pci0000:00/0000:00:1c.1/0000:03:00.0/rfkill/rfkill2/state
Mar 18 13:12:36 perseus kernel: [32993.457991] Dumping ftrace buffer:
Mar 18 13:12:36 perseus kernel: [32993.457993] (ftrace buffer empty)
Mar 18 13:12:36 perseus kernel: [32993.457995] CPU 0
Mar 18 13:12:36 perseus kernel: [32993.457996] Modules linked in: aes_x86_64
aes_generic ppp_deflate zlib_deflate bsd_comp ppp_async crc_ccitt sierra
lirc_atiusb lirc_dev ati_remote udf crc_itu_t usb_storage i915 drm ppdev bridge
stp bnep kvm_intel kvm tun input_polldev sbp2 lp parport joydev arc4
snd_hda_intel ecb snd_pcm_oss snd_mixer_oss snd_pcm snd_timer iwlagn iwlcore
pcmcia snd mac80211 thinkpad_acpi soundcore sdhci_pci iTCO_wdt led_class
ricoh_mmc sdhci yenta_socket rsrc_nonstatic pcmcia_core iTCO_vendor_support
intel_agp cfg80211 nvram snd_page_alloc pcspkr psmouse serio_raw video output
ohci1394 ieee1394 ehci_hcd uhci_hcd e1000e fbcon tileblit font bitblit
softcursor
Mar 18 13:12:36 perseus kernel: [32993.458038] Pid: 25272, comm: Xorg Not
tainted 2.6.28-9-generic #31-Ubuntu
Mar 18 13:12:36 perseus kernel: [32993.458040] RIP: 0010:[<ffffffff802bae3f>]
[<ffffffff802bae3f>] activate_page+0xbf/0x170
Mar 18 13:12:36 perseus kernel: [32993.458047] RSP: 0018:ffff8800ad807d28
EFLAGS: 00010002
Mar 18 13:12:36 perseus kernel: [32993.458049] RAX: 0000000100002354 RBX:
0000000000000001 RCX: 0000000000000013
Mar 18 13:12:36 perseus kernel: [32993.458051] RDX: 1257bc0e00002350 RSI:
ffffe200016b0080 RDI: ffffffff808ff580
Mar 18 13:12:36 perseus kernel: [32993.458053] RBP: ffff8800ad807d68 R08:
0000000000000004 R09: ffff880001101080
Mar 18 13:12:36 perseus kernel: [32993.458054] R10: 0000000000000002 R11:
0000000000000000 R12: ffffffff80901a00
Mar 18 13:12:36 perseus kernel: [32993.458056] R13: 0000000000000000 R14:
ffffe200016b0080 R15: ffffffff808ff580
Mar 18 13:12:36 perseus kernel: [32993.458058] FS: 00007f53c1387700(0000)
GS:ffffffff80a90000(0000) knlGS:0000000000000000
Mar 18 13:12:36 perseus kernel: [32993.458060] CS: 0010 DS: 0000 ES: 0000 CR0:
000000008005003b
Mar 18 13:12:36 perseus kernel: [32993.458062] CR2: 00000000007cbfa0 CR3:
00000000add71000 CR4: 00000000000026a0
Mar 18 13:12:36 perseus kernel: [32993.458063] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Mar 18 13:12:36 perseus kernel: [32993.458065] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Mar 18 13:12:36 perseus kernel: [32993.458067] Process Xorg (pid: 25272,
threadinfo ffff8800ad806000, task ffff8800ab012cc0)
Mar 18 13:12:36 perseus kernel: [32993.458069] Stack:
Mar 18 13:12:36 perseus kernel: [32993.458070] ffff8800ab052140
0000000000000000 00000003bb834800 ffffe200016b0080
Mar 18 13:12:36 perseus kernel: [32993.458074] ffff8800bb88d7e0
0000000000008000 ffff8800bb834800 ffff8800bb834800
Mar 18 13:12:36 perseus kernel: [32993.458077] ffff8800ad807d88
ffffffff802baf4b 0000000000008000 00000000000047e0
Mar 18 13:12:36 perseus kernel: [32993.458081] Call Trace:
Mar 18 13:12:36 perseus kernel: [32993.458082] [<ffffffff802baf4b>]
mark_page_accessed+0x5b/0x70
Mar 18 13:12:36 perseus kernel: [32993.458086] [<ffffffffa0399465>]
i915_gem_object_free_page_list+0x45/0xb0 [i915]
Mar 18 13:12:36 perseus kernel: [32993.458093] [<ffffffffa039a81f>]
i915_gem_object_unbind+0x7f/0x130 [i915]
Mar 18 13:12:36 perseus kernel: [32993.458099] [<ffffffffa039c082>]
i915_gem_idle+0x1e2/0x310 [i915]
Mar 18 13:12:36 perseus kernel: [32993.458104] [<ffffffffa039c203>]
i915_gem_leavevt_ioctl+0x23/0x50 [i915]
Mar 18 13:12:36 perseus kernel: [32993.458109] [<ffffffffa037780a>]
drm_ioctl+0x10a/0x330 [drm]
Mar 18 13:12:36 perseus kernel: [32993.458120] [<ffffffffa039c1e0>] ?
i915_gem_leavevt_ioctl+0x0/0x50 [i915]
Mar 18 13:12:36 perseus kernel: [32993.458125] [<ffffffff802f62fd>]
vfs_ioctl+0x7d/0xa0
Mar 18 13:12:36 perseus kernel: [32993.458129] [<ffffffff802f6665>]
do_vfs_ioctl+0x75/0x230
Mar 18 13:12:36 perseus kernel: [32993.458132] [<ffffffff802f68b9>]
sys_ioctl+0x99/0xa0
Mar 18 13:12:36 perseus kernel: [32993.458135] [<ffffffff8021253a>]
system_call_fastpath+0x16/0x1b
Mar 18 13:12:36 perseus kernel: [32993.458139] Code: 89 ff 19 d2 83 e2 02 83 c2
01 83 f8 01 45 19 c0 89 55 d4 49 8b 56 28 41 83 e0 02 41 83 c0 02 83 f8 01 49
8b 46 30 19 db 83 e3 01 <48> 89 42 08 48 89 10 8b 75 d4 49 c7 46 28 00 01 10 00
49 c7 46
Mar 18 13:12:36 perseus kernel: [32993.458168] RIP [<ffffffff802bae3f>]
activate_page+0xbf/0x170
Mar 18 13:12:36 perseus kernel: [32993.458171] RSP <ffff8800ad807d28>
Mar 18 13:12:36 perseus kernel: [32993.458173] ---[ end trace db7075183547a6cc
]---
ProblemType: Bug
Architecture: amd64
DistroRelease: Ubuntu 9.04
MachineType: LENOVO 6465CTO
Package: linux-image-2.6.28-9-generic 2.6.28-9.31
ProcCmdLine: root=UUID=305dde78-d20a-4248-aaf4-09447b7c5791 ro quiet splash
ProcEnviron:
LC_COLLATE=C
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/zsh
ProcVersionSignature: Ubuntu 2.6.28-9.31-generic
SourcePackage: linux
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug
--
general protection fault in i915_gem_leavevt_ioctl
https://bugs.launchpad.net/bugs/344812
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