*** This bug is a duplicate of bug 729979 ***
    https://bugs.launchpad.net/bugs/729979

** This bug is no longer a duplicate of bug 938658
   [nvidia] Restoring minimized applications presents blank window
** This bug has been marked a duplicate of bug 729979
   [nvidia] Windows appear blank white

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https://bugs.launchpad.net/bugs/969900

Title:
  Minimizing maximized window and restoring it again causes window to be
  all white

Status in “unity” package in Ubuntu:
  Confirmed

Bug description:
  Steps to reproduce:

  1. Maximize any window.
  2. Minimize it.
  3. Switch to that window back clicking at dock button or with alt-tab 
switcher.

  The window restored but content remains all white. Global menu working
  fine. If you restore the window to original position it displays
  correctly again.

  I don't know if it Unity or Compiz or video driver regression there
  was update a day ago and after that update I found this bug.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: unity 5.8.0-0ubuntu2
  ProcVersionSignature: Ubuntu 3.2.0-21.34-generic 3.2.13
  Uname: Linux 3.2.0-21-generic x86_64
  NonfreeKernelModules: nvidia
  .proc.driver.nvidia.gpus.0: Error: [Errno 21] Это каталог: 
'/proc/driver/nvidia/gpus/0'
  .proc.driver.nvidia.registry: Binary: ""
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.0-0ubuntu1
  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: Sat Mar 31 13:16:44 2012
  DistUpgraded: Fresh install
  DistroCodename: precise
  DistroVariant: ubuntu
  GraphicsCard: NVIDIA Corporation G92 [GeForce 9800 GT] [10de:0614] (rev a2) 
(prog-if 00 [VGA controller])
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
  MachineType: System manufacturer System Product Name
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-21-generic 
root=UUID=b7d92180-838d-497f-bf5b-36c3f05c80ae ro quiet splash vt.handoff=7
  SourcePackage: unity
  UpgradeStatus: No upgrade log present (probably fresh install)
  XorgConf:
   Section "Device"
        Identifier      "Default Device"
        Option  "NoLogo"        "True"
   EndSection
  dmi.bios.date: 09/16/2010
  dmi.bios.vendor: Phoenix Technologies, LTD
  dmi.bios.version: ASUS M2N-E SLI ACPI BIOS Revision 1301
  dmi.board.name: M2N-E SLI
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: 1.XX
  dmi.chassis.asset.tag: 123456789000
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnPhoenixTechnologies,LTD:bvrASUSM2N-ESLIACPIBIOSRevision1301:bd09/16/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM2N-ESLI:rvr1.XX:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer
  version.compiz: compiz 1:0.9.7.2-0ubuntu4
  version.ia32-libs: ia32-libs N/A
  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.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu8
  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

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