This sounds like upstream bug https://bugs.freedesktop.org/show_bug.cgi?id=20664 which is fixed upstream now.
** Bug watch added: freedesktop.org Bugzilla #20664 https://bugs.freedesktop.org/show_bug.cgi?id=20664 -- [GM45] Jaunty / Compiz slow and tearing on GMA 4500MHD https://bugs.launchpad.net/bugs/349568 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

