It turns out it's the common glitch with Compiz and fullscreen apps. This occurs in some form with both nv and ati cards.
-- Fullscreen games flicker in Ubuntu (GNOME only) https://bugs.launchpad.net/bugs/224893 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