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 Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
