I also reproduced just now with the suggested kernel. $ dpkg-query --show xserver-xorg linux-image-$(uname -r) linux-image-2.6.39-994-generic 2.6.39-994.201104200727 xserver-xorg 1:7.6+4ubuntu3
** Attachment added: "screenshot with 2.6.39994-generic" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/740985/+attachment/2082331/+files/Screenshot-4.png -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/740985 Title: [gm45] screen artifacts when switching desktops with metacity _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp