Hey Martin, the thing is that ATI card are known to not working well and is not supported for unity in maverick (https://wiki.ubuntu.com/DesktopExperienceTeam/UnityHardwareRequirements).
However, we will fix it in Natty switching to compiz instead of mutter to ensure that ATI card owner has a fantastic and smooth experience of unity :) -- [ATI Radeon HD 3200] Unity screen drawing problem https://bugs.launchpad.net/bugs/666715 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
