I tested this on Lucid and the Guest session is no worse. Ie, switching to Guest Session from a compiz session results in an unusable guest session (black screen with some artificats) in both 2.6.32-27.49-generic and 2.6.32-30.59-generic.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/652934 Title: [RV515] Guest session causes screen to flicker violently and session is unusable -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs