Xorg crashes repeatedly

[Carsten Agger]

I've been seeing continued restarts on my Ubuntu 12.04 system, often ocurring several times a day. I don't know what may cause it - I've suspected it could be related to browser media, but the last crash and restart actually occurred from the login screen.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xorg 1:7.6+12ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-38.61-generic 3.2.37
Uname: Linux 3.2.0-38-generic x86_64
NonfreeKernelModules: fglrx
.tmp.unity.support.test.0:

ApportVersion: 2.0.1-0ubuntu17.1
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,decor,grid,place,compiztoolbox,move,mousepoll,gnomecompat,session,wall,regex,resize,imgpng,animation,vpswitch,snap,fade,expo,workarounds,unitymtgrabhandles,scale,ezoom,unityshell]
CompositorRunning: compiz
Date: Wed Feb 27 11:35:24 2013
DistUpgraded: 2012-04-27 11:01:55,113 DEBUG enabling apt cron job
DistroCodename: precise
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
 Advanced Micro Devices [AMD] nee ATI RS780L [Radeon HD 3000] [1002:9616] (prog-if 00 [VGA controller])
   Subsystem: Giga-byte Technology Device [1458:d000]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
JockeyStatus: xorg:fglrx - ATI/AMD proprietary FGLRX graphics driver (Proprietary, Enabled, In use)
MachineType: Gigabyte Technology Co., Ltd. GA-MA78LMT-US2H
MarkForUpload: True
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=da_DK.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-38-generic root=UUID=b3995a77-2c3d-4989-bdd0-0e45c2a6b45a ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg crash
UpgradeStatus: Upgraded to precise on 2012-04-27 (306 days ago)
dmi.bios.date: 08/09/2010
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F9
dmi.board.name: GA-MA78LMT-US2H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF9:bd08/09/2010:svnGigabyteTechnologyCo.,Ltd.:pnGA-MA78LMT-US2H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-MA78LMT-US2H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-MA78LMT-US2H
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz 1:0.9.7.12-0ubuntu1
version.fglrx-installer: fglrx-installer N/A
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.39-0ubuntu0.1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.4-0ubuntu0.3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.4-0ubuntu0.3
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10.11
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1.2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4.3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2