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[Vsevolod Velichko <781804@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Binary package hint: xserver-xorg-video-intel

Since the natty dev-version (somewhere between alpha and beta) my session - both unity and gnome-classic - suddenly logouts in absolutely different cases, it can appear even when there is only urxvt open.
Since apport isn't able to catch such crashes, I couldn't report it earlier, but when I tried lightdm today, I've found the backtrace in it's log (now I see, that gdm is also writing it):
----
Backtrace:
0: /usr/bin/X (xorg_backtrace+0x3b) [0x80eab1b]
1: /usr/bin/X (0x8048000+0x5fac8) [0x80a7ac8]
2: (vdso) (__kernel_rt_sigreturn+0x0) [0x77d40c]
3: /usr/bin/X (_CallCallbacks+0x3e) [0x8074e1e]
4: /usr/bin/X (WriteToClient+0x267) [0x80a7607]
5: /usr/lib/xorg/modules/extensions/libdri2.so (ProcDRI2WaitMSCReply+0x62) [0x660bf2]
6: /usr/lib/xorg/modules/extensions/libdri2.so (DRI2WaitMSCComplete+0x75) [0x65efc5]
7: /usr/lib/xorg/modules/drivers/intel_drv.so (0x1b7000+0x226bc) [0x1d96bc]
8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x1b7000+0x87d2) [0x1bf7d2]
9: /lib/i386-linux-gnu/libdrm.so.2 (drmHandleEvent+0xf5) [0x58f665]
10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x1b7000+0x7937) [0x1be937]
11: /usr/bin/X (WakeupHandler+0x52) [0x8074602]
12: /usr/bin/X (WaitForSomething+0x1ba) [0x80a1f3a]
13: /usr/bin/X (0x8048000+0x27f1e) [0x806ff1e]
14: /usr/bin/X (0x8048000+0x1a81c) [0x806281c]
15: /lib/i386-linux-gnu/libc.so.6 (__libc_start_main+0xe7) [0x84ce37]
16: /usr/bin/X (0x8048000+0x1a411) [0x8062411]
Segmentation fault at address 0xb4b44008

Caught signal 11 (Segmentation fault). Server aborting
----

It appears so often, that really drives me mad :(

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: xserver-xorg-video-intel 2:2.14.0-4ubuntu7.1
ProcVersionSignature: Ubuntu 2.6.38-9.43-generic 2.6.38.4
Uname: Linux 2.6.38-9-generic i686
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,place,gnomecompat,fade,workarounds,resize,expo,move,mousepoll,snap,scale,ring,session,ezoom]
CompositorRunning: compiz
DRM.card0.DP.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes: 
 edid-base64:
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1280x800
 edid-base64: AP///////wBMo0FNAAAAAAASAQOAGhB4Cof1lFdPjCcnUFQAAAABAQEBAQEBAQEBAQEBAQEBEhsASVAgNjAQMBMABaMQAAAZAAAADwAAAAAAAAAAACOHAmQAAAAA/gBTQU1TVU5HCiAgICAgAAAA/gAxMjFBVDA5LUgwMQogAB4=
DRM.card0.VGA.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1280x1024 1280x1024 1152x864 1024x768 1024x768 1024x768 832x624 800x600 800x600 800x600 800x600 640x480 640x480 640x480 640x480 720x400
 edid-base64: AP///////wBMLX8BNzFTRykQAQNsIht4KjahollMlyQXUVa/74CBgHFPAQEBAQEBAQEBAQEBMCoAmFEAKkAwcBMAUg4RAAAeAAAA/QA4Sx5RDgAKICAgICAgAAAA/ABTeW5jTWFzdGVyCiAgAAAA/wBIVkZMQTAwMDg2CiAgADQ=
DRM.card1.HDMI.A.1:
 status: disconnected
 enabled: disabled
 dpms: On
 modes: 
 edid-base64:
DRM.card1.LVDS.2:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1280x800 1280x720 1152x768 1024x768 800x600 848x480 720x480 640x480
 edid-base64:
DRM.card1.VGA.2:
 status: connected
 enabled: disabled
 dpms: On
 modes: 
 edid-base64:
Date: Thu May 12 20:42:07 2011
DistUpgraded: Log time: 2011-01-07 01:23:16.274282
DistroCodename: natty
DistroVariant: ubuntu
DkmsStatus:
 virtualbox-ose, 4.0.4, 2.6.38-8-generic, i686: installed 
 virtualbox-ose, 4.0.4, 2.6.38-9-generic, i686: installed
GraphicsCard:
 Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company Device [103c:3661]
 ATI Technologies Inc M93 [Mobility Radeon HD 4500 Series] [1002:9555] (rev ff) (prog-if ff)
MachineType: Hewlett-Packard HP TouchSmart tm2 Notebook PC
ProcEnviron:
 LANGUAGE=pl_PL:pl:ru:ru_RU:en_GB:en
 PATH=(custom, user)
 LANG=pl_PL.utf8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-9-generic root=UUID=f4a4d9f8-488c-41fe-aa01-f07e1ac2d460 ro crashkernel=384M-2G:64M,2G-:128M quiet splash video=uvesafb:mode_option=1024x768-24,mtrr=3,scroll=ywrap vt.handoff=7
Renderer: Unknown
SourcePackage: xserver-xorg-video-intel
UpgradeStatus: Upgraded to natty on 2011-01-06 (125 days ago)
dmi.bios.date: 11/22/2010
dmi.bios.vendor: Insyde
dmi.bios.version: F.0B
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 3661
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 47.1B
dmi.chassis.asset.tag: CNU0060FTZ
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnInsyde:bvrF.0B:bd11/22/2010:svnHewlett-Packard:pnHPTouchSmarttm2NotebookPC:pvr049E100000200800000120000:rvnHewlett-Packard:rn3661:rvrKBCVersion47.1B:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: HP TouchSmart tm2 Notebook PC
dmi.product.version: 049E100000200800000120000
dmi.sys.vendor: Hewlett-Packard
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 N/A

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug compiz-0.9 i386 natty needs-reassignment regression-update ubuntu unity-2d

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https://bugs.launchpad.net/bugs/781804

Title:
  Error in driver causes numerous sudden "logouts"