I can reproduce this bug with this graphics card (with compiz & KMS): ATI Technologies Inc Radeon RV250 [Mobility FireGL 9000] [1002:4c66] (rev 01)
When I switch workspaces, rotate the cube or use Expo to view all workspaces the whole screen gets very dark – but the colours won't change (as described above). I can confirm this bug for · Ubuntu 10.10 (maverick): kernel 2.6.35-30-generic; xserver-xorg-video-ati 1:6.13.1-1ubuntu5; mesa 7.9~git20100924-0ubuntu2 · Debian Testing (wheezy): kernel 3.0.0-1-486 (3.0.0-3); xserver-xorg-video-ati 1:6.14.2-2; mesa 7.11-6 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/539163 Title: [Legacy Radeon cards] Desktop effects/compiz: display brightness fluctuation with zoom, workspace switch or Expo To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-driver-ati/+bug/539163/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
