I've noticed that for me it only occurs after I've been away from the machine for a while. Often with the lid closed.
-- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/740126 Title: Disabling an output can cause vblank events to be missed _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : compiz@lists.launchpad.net Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp