TEST CASE:
Prerequisites:
On a laptop, reset monitor settings, and plug the monitor at the login screen
1. Log in
2. Launch the display manager
$ gnome-control-center display
3. Activate the external monitor, disable the internal monitor and click on 'Apply'
Result:
Some area of the screen are black and windows dragged on it are invisible (see screenshot)
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: compiz 1:0.9.4+bzr20110606-0ubuntu6
ProcVersionSignature: Ubuntu 3.0-3.4-generic 3.0.0-rc5
Uname: Linux 3.0-3-generic i686
Architecture: i386
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]
Date: Mon Jul 11 11:14:01 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110209)
PackageArchitecture: all
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: compiz
UpgradeStatus: No upgrade log present (probably fresh install)
Sam: do you have the HW to be able to reproduce the problem?