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[Bug 966744] Re: [i965] Resume from suspend leaves me with black screen or a screen of the desktop before it suspended. Compiz hung in intel_update_renderbuffers() from intel_prepare_render() from brw_draw_prims()


** Changed in: compiz
       Status: Confirmed => Invalid

** No longer affects: oem-priority/precise

** No longer affects: oem-priority

** Description changed:

  This happens intermittently. Sometimes upon resume, all I see is a black
  screen and the cursor. the mouse and keyboard respond (the mouse moves)
  but nothing changes.  Switching to console and back doesn't fix it.
  Killing Compiz also does not fix the issue. Further, if one has password
  lock disabled on resume the user will be stuck with a frozen display of
  whatever was last shown on the screen before suspend. The mouse cursor
  still changes as you hover over various elements but the display is
  frozen solid. One can switch to another TTY via ctrl+alt+F1 but killing
  the X session is the only way to get back to the desktop.
  Attempts to replace compiz have been fruitless. Trying the 3.4 kernel
  also did not fix the issue.
  BTW, I haven nothing connected to the laptop when I resume and before
  suspend.  This is a very annoying issue because the only way to recover
  is to reboot, which means all the open files will be lost.
  It was discovered that switching to a tty, killing compiz, then invoking 'metacity --replace' would successfully switch over to metacity. Attempting to invoke 'compiz --replace' afterwards would put the state right back where it was (frozen screen, etc.) and output error messages saying something similar to "invalid configuration, this should never happen, you should probably raise a bug report about it". After killing Compiz again and invoking compiz --replace yet again I can get basic window management back (though unity --replace still does not work as it whines about unclean exit states). So one still needs to start over again to get it all functioning properly.
  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: unity 5.8.0-0ubuntu2
  ProcVersionSignature: Ubuntu 3.2.0-20.33-generic 3.2.12
  Uname: Linux 3.2.0-20-generic x86_64
  ApportVersion: 1.95-0ubuntu1
  Architecture: amd64
  CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
  CompositorRunning: compiz
  Date: Tue Mar 27 21:47:25 2012
  DistUpgraded: Fresh install
  DistroCodename: precise
  DistroVariant: ubuntu
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120124)
  MachineType: LENOVO 32492HU
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-20-generic root=UUID=8afc43b9-4675-46b0-8bf8-49bfd422c2c7 ro quiet splash i915.i915_enable_rc6=1 vt.handoff=7
  SourcePackage: unity
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/29/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6QET67WW (1.37 )
  dmi.board.name: 32492HU
  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:bvr6QET67WW(1.37):bd06/29/2011:svnLENOVO:pn32492HU:pvrThinkPadX201:rvnLENOVO:rn32492HU:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 32492HU
  dmi.product.version: ThinkPad X201
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:
  version.ia32-libs: ia32-libs 20090808ubuntu35
  version.libdrm2: libdrm2 2.4.32-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu2
  version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu7
  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 1:0.0.16+git20111201+b5534a1-1build2
+ X-HWE-Bug: Bug #1004771

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  [i965] Resume from suspend leaves me with black screen or a screen of
  the desktop before it suspended. Compiz hung in
  intel_update_renderbuffers() from intel_prepare_render() from

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