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[Alan Pope  <alan@xxxxxxxxxx>]

*** This bug is a duplicate of bug 1421575 ***
    https://bugs.launchpad.net/bugs/1421575

** This bug has been marked a duplicate of bug 1421575
   Desktop corruption when changing monitor config

** Information type changed from Private to Public

-- 
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Packages, which is subscribed to compiz in Ubuntu.
https://bugs.launchpad.net/bugs/1118648

Title:
  compiz crashed with SIGSEGV in do_blit_copypixels()

Status in compiz package in Ubuntu:
  Won't Fix

Bug description:
  Removed laptop from docking station (it's been attached/detached a few
  times today) and the screen went crazy. Flickering and corruption all
  over the place, but coming back to a stable screen now and then. I
  tried to 'reset' things with display properties to change resolution
  but then compiz barfed.

  ProblemType: Crash
  DistroRelease: Ubuntu 13.04
  Package: compiz-core 1:0.9.9~daily13.02.04-0ubuntu1
  ProcVersionSignature: Ubuntu 3.8.0-4.8-generic 3.8.0-rc6
  Uname: Linux 3.8.0-4-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.8-0ubuntu4
  Architecture: amd64
  CompizPlugins: [core,composite,opengl,compiztoolbox,decor,grid,imgpng,gnomecompat,scale,workarounds,mousepoll,regex,wall,move,place,vpswitch,resize,unitymtgrabhandles,snap,session,expo,ezoom,unityshell]
  CompositorRunning: compiz
  CrashCounter: 1
  Date: Thu Feb  7 18:56:35 2013
  DistUpgraded: 2013-01-18 10:34:11,775 DEBUG enabling apt cron job
  DistroCodename: raring
  DistroVariant: ubuntu
  DkmsStatus:
   vboxhost, 4.2.4, 3.2.0-36-generic, x86_64: installed
   vboxhost, 4.2.4, 3.5.0-22-generic, x86_64: installed
   vboxhost, 4.2.4, 3.8.0-3-generic, x86_64: installed
   vboxhost, 4.2.4, 3.8.0-4-generic, x86_64: installed
  EcryptfsInUse: Yes
  ExecutablePath: /usr/bin/compiz
  GraphicsCard:
   Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Lenovo Device [17aa:21da]
  InstallationDate: Installed on 2012-06-29 (222 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  MachineType: LENOVO 4287CTO
  MarkForUpload: True
  ProcCmdline: compiz
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-4-generic root=UUID=c8438547-b9fb-46af-8012-4663c77c70e7 ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7f8747b54d4d:	mov    0x230(%rsi),%rsi
   PC (0x7f8747b54d4d) ok
   source "0x230(%rsi)" (0x00000230) not located in a known VMA region (needed readable region)!
   destination "%rsi" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: compiz
  StacktraceTop:
   ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
   ?? () from /usr/lib/x86_64-linux-gnu/libdricore9.0.2.so.1
   GLXDoubleBuffer::copyFrontToBack() const () from /usr/lib/compiz/libopengl.so
   PrivateGLScreen::paintOutputs(std::list<CompOutput*, std::allocator<CompOutput*> >&, unsigned int, CompRegion const&) () from /usr/lib/compiz/libopengl.so
   CompositeScreen::paint(std::list<CompOutput*, std::allocator<CompOutput*> >&, unsigned int) () from /usr/lib/compiz/libcomposite.so
  Title: compiz crashed with SIGSEGV in GLXDoubleBuffer::copyFrontToBack()
  UpgradeStatus: Upgraded to raring on 2013-01-18 (20 days ago)
  UserGroups: adm cdrom dialout dip libvirtd lpadmin plugdev sambashare sudo
  dmi.bios.date: 12/05/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8DET67WW (1.37 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 4287CTO
  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:bvr8DET67WW(1.37):bd12/05/2012:svnLENOVO:pn4287CTO:pvrThinkPadX220:rvnLENOVO:rn4287CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 4287CTO
  dmi.product.version: ThinkPad X220
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.9~daily13.02.04-0ubuntu1
  version.ia32-libs: ia32-libs 20090808ubuntu36
  version.libdrm2: libdrm2 2.4.41-0ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.0.2-0ubuntu1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.0.2-0ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.13.2-0ubuntu1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.0-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.6-0ubuntu2
  xserver.bootTime: Thu Feb  7 07:42:35 2013
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.13.2-0ubuntu1
  xserver.video_driver: intel

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