Reproduce
1. Open firefox or Gedit of Thunderbird.
2. Maximize the app
3. Minimize it
4. Now open the minimized window from Launcher and you will see white screen.
5. To see the content on the page yosue Alt+Left mouse to drag the window out of maximize mode then you can see the content.
Tried to reboot the system, problem persists.
System
Ubuntu 12.04 daily build
CPU: i5,
8GB RAM
Nvidia GTX 470 GPU
Nvidia drivers installed
Video of the problem attached.
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.proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.tmp.unity.support.test.0:
ApportVersion: 2.0-0ubuntu2
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
DistUpgraded: Fresh install
DistroCodename: precise
DistroRelease: Ubuntu 12.04
DistroVariant: ubuntu
DkmsStatus: nvidia-current, 295.33, 3.2.0-21-generic, x86_64: installed
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120402)
MachineType: System manufacturer System Product Name
NonfreeKernelModules: nvidia
Package: compiz 1:0.9.7.2-0ubuntu4
PackageArchitecture: all
ProcEnviron:
TERM=xterm
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-21-generic root=UUID=5f027347-ca7f-496f-b40f-7d4518ac3e57 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.2.0-21.34-generic 3.2.13
Tags: precise precise ubuntu reproducible compiz-0.9
Uname: Linux 3.2.0-21-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 12/14/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1504
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P7P55D-E
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1504:bd12/14/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP7P55D-E:rvrRev1.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
Hello
Please update your system, reporoduce the bug, then run in aterminal
apport-collect 971829
Thanks
Fabio
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Ubuntu Bug Squad volunteer triager
http://