Oh, forgot to mention. It also happens on i386 and amd64 Ubuntu. So it's not graphic driver, it's not architecture but must be something with gnome-panel. Can desktop-effects interfere with panel? The first time I've noticed this was on Karmic since November I think.
-- visual corruption affecting several panel applets https://bugs.launchpad.net/bugs/439448 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug assignee. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs