Robin, as you can see this bug is about i810 driver. Philip; please test Feisty beta or later.
** Changed in: xserver-xorg-video-i810 (Ubuntu) Status: Unconfirmed => Needs Info -- System hangs on X restart/logout on i945+amd64 https://launchpad.net/bugs/75257 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs