Figured out my problem. The only way to run effects on my system is to install xserver-xgl, which I did. I know it hasn't been declared stable yet, but it works. So the problem is in the unclear error message.
A very nice article about this can be found here: http://forlong.blogage.de/article/2007/10/2/Desktop-effects-by-default- in-Gutsy---how-Compiz-Fusion-enhances-Ubuntus-desktop-of-version-710 It is indeed a little not logical for Gutsy to recommend to install a driver "In order to use your hardware more efficiently" which then doesn't support the enhanced desktop features. -- [gutsy] Regression - "Desktop effects could not be enabled" on ATI Mobility Radeon https://bugs.launchpad.net/bugs/144077 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs