Same issue here with an intel GMA X4500. My Xorg.log :
** Attachment added: "Xorg.0.log" http://launchpadlibrarian.net/46258117/Xorg.0.log -- Logout after switch user cause black screen https://bugs.launchpad.net/bugs/561538 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
