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[Pasi Tarhonen <893838@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

I did fresh install to my laptop today (11.10 i386) and run all the
updates. Just after removing Acer AOD250 from external display
connection (on-the-fly without first disabling ext display) the GPU
locks up (blank screen, just cursor showing up). I did ssh login and
system seems to be running just fine - but dmesg list shows that GPU is
locked up.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: xorg 1:7.6+7ubuntu7
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
.tmp.unity.support.test.0:
 
.tmp.unity.support.test.1:
 
ApportVersion: 1.23-0ubuntu4
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,decor,resize,move,place,regex,vpswitch,compiztoolbox,session,gnomecompat,imgpng,snap,obs,unitymtgrabhandles,mousepoll,grid,animation,workarounds,wall,expo,fade,ezoom,scale,unityshell]
CompositorRunning: compiz
Date: Wed Nov 23 03:20:00 2011
DistUpgraded: Fresh install
DistroCodename: oneiric
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
GpuHangFrequency: This is the first time
GpuHangReproducibility: I don't know
GpuHangStarted: Immediately after installing this version of Ubuntu
GraphicsCard:
 Intel Corporation Mobile 945GME Express Integrated Graphics Controller [8086:27ae] (rev 03) (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:022f]
   Subsystem: Acer Incorporated [ALI] Device [1025:022f]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
MachineType: Acer Aspire one
ProcEnviron:
 LANG=fi_FI.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=469e0303-56f5-49c9-a26a-de3047b35208 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/18/2010
dmi.bios.vendor: Acer
dmi.bios.version: V1.29
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Aspire one
dmi.board.vendor: Acer
dmi.board.version: V1.29
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.29
dmi.modalias: dmi:bvnAcer:bvrV1.29:bd12/18/2010:svnAcer:pnAspireone:pvrV1.29:rvnAcer:rnAspireone:rvrV1.29:cvnAcer:ct10:cvrV1.29:
dmi.product.name: Aspire one
dmi.product.version: V1.29
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu5
version.libdrm2: libdrm2 2.4.26-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20110811.g93fc084-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

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


** Tags: apport-bug compiz-0.9 freeze i386 oneiric regression-update running-unity ubuntu

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https://bugs.launchpad.net/bugs/893838

Title:
  Xorg freeze

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