Public bug reported:

Precise Pangolin 12.04 alpha-2

clean install from usb stick

upon login desktop goes black with top panel still visible. Any window
opened fights to stay on top of desktop-background, overlay of windows
leaves artifacts of lower windows and using ALT+mouse is the only way to
raise window to top of stack.

Left click on desktop causes all windows to drop to bottom of stack and
desktop-background to come to top briefly before dropping  back again.

Left click and drag on desktop creates red "selection areas" to remain
on desktop and destroy other windows.

Suspect openchrome driver not supporting graphics request.

Keyboard and mouse lag behind use by almost a second in response.

Xdiagnose crashes before opening.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xorg 1:7.6+10ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-12.21-generic-pae 3.2.2
Uname: Linux 3.2.0-12-generic-pae i686
.tmp.unity.support.test.0:
 
ApportVersion: 1.91-0ubuntu1
Architecture: i386
CompizPlugins: 
[core,bailer,detection,composite,opengl,compiztoolbox,decor,resize,regex,grid,snap,mousepoll,imgpng,place,vpswitch,move,gnomecompat,wall,animation,session,expo,fade,scale,workarounds,ezoom,unityshell]
CompositorRunning: compiz
Date: Sat Feb  4 11:45:22 2012
DistUpgraded: Fresh install
DistroCodename: precise
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
GraphicsCard:
 VIA Technologies, Inc. CN896/VN896/P4M900 [Chrome 9 HC] [1106:3371] (rev 01) 
(prog-if 00 [VGA controller])
   Subsystem: CLEVO/KAPOK Computer Device [1558:0669]
MachineType: CLEVO CO. M660SR
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-12-generic-pae 
root=UUID=e0832db5-80a9-4a48-93be-9a9dc790e747 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/30/2007
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: 6.00
dmi.board.asset.tag: Tag 12345
dmi.board.name: M660SR
dmi.board.vendor: CLEVO Co.
dmi.board.version: VT6363A
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: VIA
dmi.chassis.version: N/A
dmi.modalias: 
dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd11/30/2007:svnCLEVOCO.:pnM660SR:pvrVT6363A:rvnCLEVOCo.:rnM660SR:rvrVT6363A:cvnVIA:ct1:cvrN/A:
dmi.product.name: M660SR
dmi.product.version: VT6363A
dmi.sys.vendor: CLEVO CO.
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu8
version.libdrm2: libdrm2 2.4.30-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0~rc2-0ubuntu4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0~rc2-0ubuntu4
version.xserver-xorg-core: xserver-xorg-core 2:1.11.3-0ubuntu10
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.99.901-1ubuntu3
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 2:2.17.0-1ubuntu3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:0.0.16+git20111201+b5534a1-1build2

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug compiz-0.9 corruption i386 precise reproducible 
running-unity ubuntu

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https://bugs.launchpad.net/bugs/926859

Title:
  Desktop almost useless - due to corruption and flikering

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