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[bugbot <753977@xxxxxxxxxxxxxxxxxx>]

** Description changed:

  Binary package hint: xorg
  
  This happens to me after the latest batch of updates.
  
  The desktop freezes completely, sometimes even the mouse cursor. As far
  as I can tell, it happens only if the computer is left unattended for a
  while.
  
  The freeze happens under following circumstances:
  *) The laptop is left alone for a couple of minutes
  *) The screensaver is not yet active (since I don't use one).
  *) It does not matter which programs are running, I tried just logging in and doing nothing, freeze still happens.
  *) It seems to happen in conjunction with unity somehow, since I experienced no crash using the classic desktop.
  
  Logging in to another tty still works fine and if I restart gdm I can
  log in just fine and work again until the next freeze occurs.
  
  If something else is needed, I'll be glad to help.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: xorg 1:7.6+4ubuntu3
  ProcVersionSignature: Ubuntu 2.6.38-8.41-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  Architecture: amd64
  CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,unitymtgrabhandles,scale,session,unityshell]
  DRM.card0.DP.1:
   status: disconnected
   enabled: disabled
   dpms: Off
   modes: 
   edid-base64:
  DRM.card0.DP.2:
   status: disconnected
   enabled: disabled
   dpms: Off
   modes: 
   edid-base64:
  DRM.card0.DP.3:
   status: disconnected
   enabled: disabled
   dpms: Off
   modes: 
   edid-base64:
  DRM.card0.HDMI.A.1:
   status: disconnected
   enabled: disabled
   dpms: Off
   modes: 
   edid-base64:
  DRM.card0.HDMI.A.2:
   status: disconnected
   enabled: disabled
   dpms: Off
   modes: 
   edid-base64:
  DRM.card0.LVDS.1:
   status: connected
   enabled: enabled
   dpms: On
   modes: 1440x900 1440x900
   edid-base64: AP///////wAwrjZAAAAAAAASAQOAHhN46uWVk1ZPkCgoUFQAAAABAQEBAQEBAQEBAQEBAQEBwSmg5FGEGjAwIDYAL74QAAAZ3iKgLFGEfjAwIDYAL74QAAAZAAAADwCVCjKVCigeCQBMo0JUAAAA/gBMVE4xNDFCVDA4MDAxAMs=
  DRM.card0.VGA.1:
   status: disconnected
   enabled: disabled
   dpms: Off
   modes: 
   edid-base64:
  Date: Thu Apr  7 21:21:36 2011
  DistUpgraded: Log time: 2011-03-30 10:45:54.800688
  DistroCodename: natty
  DistroVariant: ubuntu
  DkmsStatus:
   virtualbox-ose, 4.0.4, 2.6.38-8-generic, x86_64: installed 
   virtualbox-ose, 4.0.4, 2.6.38-7-generic, x86_64: installed
  GraphicsCard:
   Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller])
     Subsystem: Lenovo Device [17aa:20e4]
     Subsystem: Lenovo Device [17aa:20e4]
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  MachineType: LENOVO 2815W14
  ProcEnviron:
   LANG=de_AT.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=581c4519-aa9e-41be-9d72-7267f41e924f ro quiet splash vt.handoff=7
  Renderer: Unknown
  SourcePackage: xorg
  Symptom: display
  Title: Xorg freeze
  UpgradeStatus: Upgraded to natty on 2011-03-30 (8 days ago)
  dmi.bios.date: 11/27/2009
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6HET27WW (1.12 )
  dmi.board.name: 2815W14
  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:bvr6HET27WW(1.12):bd11/27/2009:svnLENOVO:pn2815W14:pvrThinkPadT400s:rvnLENOVO:rn2815W14:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2815W14
  dmi.product.version: ThinkPad T400s
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.4+bzr20110406-0ubuntu1
  version.ia32-libs: ia32-libs 20090808ubuntu11
  version.libdrm2: libdrm2 2.4.23-1ubuntu6
  version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.1-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1-0ubuntu3
  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 2:2.14.0-4ubuntu6
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu6
+ 
+ [lspci]
+ 00:00.0 Host bridge [0600]: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub [8086:2a40] (rev 07)
+     	Subsystem: Lenovo Device [17aa:20e0]
+ 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller])
+     	Subsystem: Lenovo Device [17aa:20e4]

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https://bugs.launchpad.net/bugs/753977

Title:
  [gm45] Xorg freeze - regression starting around Apr 3rd-4th, 2011