This is likely the backclear issue with the X server. AMD has a patch that is integrated in a PPA that you can use, but I don't know if it will still work with the new X server changes.
-- KWin compositing disabled on login, very slow when enabled manually (with fglrx driver) https://bugs.launchpad.net/bugs/484759 You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to kdebase-workspace in ubuntu. -- kubuntu-bugs mailing list kubuntu-b...@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs
