Public bug reported:
I'm able to reproduce the lockup reliably when using vncviewer
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xorg 1:7.6+12ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
CompizPlugins:
[core,bailer,detection,composite,opengl,compiztoolbox,decor,snap,move,gnomecompat,imgpng,regex,grid,resize,place,unitymtgrabhandles,animation,workarounds,mousepoll,expo,vpswitch,session,wall,ezoom,fade,scale,unityshell]
CompositorRunning: None
Date: Mon Apr 30 11:11:30 2012
DistUpgraded: 2012-04-27 12:29:21,023 DEBUG enabling apt cron job
DistroCodename: precise
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
GpuHangFrequency: Several times a week
GpuHangReproducibility: Yes, I can easily reproduce it
GpuHangStarted: Immediately after installing this version of Ubuntu
GraphicsCard:
Intel Corporation 2nd Generation Core Processor Family Integrated Graphics
Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Sony Corporation Device [104d:907b]
Advanced Micro Devices [AMD] nee ATI Seymour [Radeon HD 6400M Series]
[1002:6760] (rev ff) (prog-if ff)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110930)
MachineType: Sony Corporation VPCSB2C5E
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic
root=UUID=d4bbd7c4-dc64-42f6-a165-073e9b828c86 ro pcie_aspm=force
i915.i915_enable_rc6=1
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: Upgraded to precise on 2012-04-27 (2 days ago)
dmi.bios.date: 04/25/2011
dmi.bios.vendor: INSYDE
dmi.bios.version: R1031H4
dmi.board.asset.tag: N/A
dmi.board.name: VAIO
dmi.board.vendor: Sony Corporation
dmi.board.version: N/A
dmi.chassis.asset.tag: N/A
dmi.chassis.type: 10
dmi.chassis.vendor: Sony Corporation
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnINSYDE:bvrR1031H4:bd04/25/2011:svnSonyCorporation:pnVPCSB2C5E:pvrC609LHCC:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
dmi.product.name: VPCSB2C5E
dmi.product.version: C609LHCC
dmi.sys.vendor: Sony Corporation
version.compiz: compiz 1:0.9.7.6-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu35
version.libdrm2: libdrm2 2.4.32-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1
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
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug freeze precise regression-update ubuntu
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/991791
Title:
Xorg freeze
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