seems to be rather an xorg issue, could you add your Xorg.0.log to the bug?
** Package changed: gnome-session (Ubuntu) => xorg-server (Ubuntu) -- Switch user -> Log out -> Black display until reboot https://bugs.launchpad.net/bugs/560911 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