Hi Traumflug, This looks like another duplicate of bug #1222602. This is due to a bad bug in Mesa 9.2. Please try the workaround in https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1222602/comments/6 and see if it helps. Please report back here and let me know.
Thanks! ** Changed in: compiz (Ubuntu) Status: New => Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1232888 Title: Transparent stuff very slow, hogs CPU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1232888/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs