According to this forum thread: http://ubuntuforums.org/showthread.php?p=11301917#post11301917
This issue only occurs when using LightDM. When using GDM, switch user functions as expected. ** Package changed: gnome-shell (Ubuntu) => lightdm (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/861790 Title: choosing to switch users leads to dark screen, no options To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/861790/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs