I was having the same issue on my netbook. I updated from the unity's staging ppa and the issue is gone.
-- 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/1042211 Title: [quantal] [regression] [i915] Corrupted display, desktop and menus don't repaint correctly using Mesa 9.0 (8.0.4 works) To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1042211/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : compiz@lists.launchpad.net Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp