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[Carsten Agger <agger@xxxxxxxxxx>]

Public bug reported:

Binary package hint: xorg

I've been getting random X crashes in Ubuntu 11.04 the last few days.
This occurs both at work and at home, i.e. on a Lenovo T series Thinkpad
and on an Acer Aspire 58x-series (if memory serves).

This is the backtrace in the Xorg.log from the most recent one:

Backtrace:
[   182.057] 0: /usr/bin/X (xorg_backtrace+0x3b) [0x80eab1b]
[   182.057] 1: /usr/bin/X (0x8048000+0x5fac8) [0x80a7ac8]
[   182.057] 2: (vdso) (__kernel_rt_sigreturn+0x0) [0xc6440c]
[   182.057] 3: /usr/bin/X (_CallCallbacks+0x3e) [0x8074e1e]
[   182.057] 4: /usr/bin/X (WriteToClient+0x267) [0x80a7607]
[   182.057] 5: /usr/lib/xorg/modules/extensions/libdri2.so                 (ProcDRI2WaitMSCReply+0x62) [0xc07bf2]
[   182.057] 6: /usr/lib/xorg/modules/extensions/libdri2.so (DRI2WaitMSCComplete+0x75) [0xc05fc5]
[   182.057] 7: /usr/lib/xorg/modules/drivers/intel_drv.so (0x2fd000+0x2261c)         
[0x31f61c]
[   182.057] 8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x2fd000+0x87c2)      [0x3057c2]
[   182.057] 9: /lib/i386-linux-gnu/libdrm.so.2 (drmHandleEvent+0xf5) [0xd23665]
[   182.057] 10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x2fd000+0x7927) [0x304927]
[   182.057] 11: /usr/bin/X (WakeupHandler+0x52) [0x8074602]
[   182.057] 12: /usr/bin/X (WaitForSomething+0x1ba) [0x80a1f3a]
[   182.057] 13: /usr/bin/X (0x8048000+0x27f1e) [0x806ff1e]
[   182.057] 14: /usr/bin/X (0x8048000+0x1a81c) [0x806281c]
[   182.057] 15: /lib/i386-linux-gnu/libc.so.6 (__libc_start_main+0xe7) [0x152e37]
[   182.057] 16: /usr/bin/X (0x8048000+0x1a411) [0x8062411]
[   182.057] Segmentation fault at address 0xb7464008
[   182.057]
Caught signal 11 (Segmentation fault). Server aborting
[   182.057]
Please consult the The X.Org Foundation support
     at http://wiki.x.org

I'm using Unity on both computers. The X crashes started about May 3rd
or 4th. Maybe a broken update? The two computers have different graphics
cards.

I first tried to get technical support at ask-ubuntu
(http://askubuntu.com/questions/40250/random-x-crashes-in-ubuntu-11-04),
but Jorge Castro asked me to file a bug.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: xorg 1:7.6+4ubuntu3
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,unitymtgrabhandles,scale,session,unityshell]
CompositorRunning: compiz
DRM.card0.DVI.D.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes: 
 edid-base64:
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: Off
 modes: 1280x800 1280x800
 edid-base64: AP///////wAwrlBAAAAAAAAQAQOAIRV46gMVl1dSjCchUFQAAAABAQEBAQEBAQEBAQEBAQEBxxsAoFAgFzAwIDYAS88QAAAZJhcAoFAgFzAwIDYAS88QAAAZAAAADwCBCjKBCigUAQBMo1gzAAAA/gBMVE4xNTRYMy1MMDIKACk=
DRM.card0.VGA.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1680x1050 1600x1200 1280x1024 1280x1024 1440x900 1280x960 1152x864 1024x768 1024x768 1024x768 832x624 800x600 800x600 800x600 800x600 640x480 640x480 640x480 640x480 720x400
 edid-base64: AP///////wAEaaAiAQEBAQoUAQMeLx547pKgplVImiYSUFS/7wBxT4GAgUCVAKlAswABAQEBITmQMGIaJ0BosDYA2SgRAAAcAAAA/QA4TB5TEQAKICAgICAgAAAA/ABWVzIyNQogICAgICAgAAAA/wBBM0xNUVMwMDI0ODQKADI=
Date: Tue May 10 09:39:56 2011
DistUpgraded: Log time: 2011-04-29 15:07:38.200593
DistroCodename: natty
DistroVariant: ubuntu
EcryptfsInUse: Yes
GraphicsCard:
 Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (primary) [8086:2a02] (rev 0c) (prog-if 00 [VGA controller])
   Subsystem: Lenovo T61 [17aa:20b5]
   Subsystem: Lenovo T61 [17aa:20b5]
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
MachineType: LENOVO 64669MG
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcEnviron:
 LANGUAGE=da_DK:en_GB:en
 PATH=(custom, user)
 LANG=da_DK.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=7883b104-1aa0-4e95-8337-6f9c58068293 ro quiet splash vt.handoff=7
Renderer: Unknown
SourcePackage: xorg
Symptom: display
Title: Xorg crash
UpgradeStatus: Upgraded to natty on 2011-04-29 (10 days ago)
dmi.bios.date: 02/20/2008
dmi.bios.vendor: LENOVO
dmi.bios.version: 7LETB2WW (2.12 )
dmi.board.name: 64669MG
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7LETB2WW(2.12):bd02/20/2008:svnLENOVO:pn64669MG:pvrThinkPadT61:rvnLENOVO:rn64669MG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 64669MG
dmi.product.version: ThinkPad T61
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.4+bzr20110415-0ubuntu2
version.libdrm2: libdrm2 2.4.23-1ubuntu6
version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.2-0ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.2-0ubuntu2
version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu3
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu7.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu7

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug compiz-0.9 crash i386 natty running-unity ubuntu

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https://bugs.launchpad.net/bugs/780358

Title:
  Random X crashes in Ubuntu 11.04