The cause of this seems to be 'unclutter' which got installed during the upgrade. (Thanks to Forrest who spotted this causing completely different chaos in another bug #61105)
Mirco, Giannis: Can you confirm if you kill the unclutter process that's running that this problem stops? Dave ** Also affects: unclutter (Ubuntu) Importance: Undecided Status: New -- metacity causing Xorg to hammer the CPU with a focus-request having timestamp of 0 https://bugs.launchpad.net/bugs/605829 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to metacity in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs