Same on Ubuntu 13.10 i have CTRL+F2 to run in the terminal session
sudo service gdm restart -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gdm in Ubuntu. https://bugs.launchpad.net/bugs/851418 Title: GDM doesn't restart after logout/switch user Status in “gdm” package in Ubuntu: Confirmed Bug description: Whenever X11 is restarted, whether by logging out or switching users in GNOME or by Ctrl+Alt+Backspace, GDM does not restart and the machine sits at a black screen. Ctrl+Alt+F3 does not switch to a new VT. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm/+bug/851418/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp