How about switching to a terminal (Ctrl+Alt+F1) and running sudo killall gdm ?
-- Impossible to stop gdm https://bugs.launchpad.net/bugs/469637 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
