To my inexpert eye this looks remarkably like this bug: <https://launchpad.net/distros/ubuntu/+source/xserver-xorg-video-via/+bug/43154>
-- Onboard "VIA K8M800" graphic card - machine hangs with any 3D app in full-screen mode https://launchpad.net/bugs/57062 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
