Try installing the package "kdm-gdmcompat". This allows gnome- screensaver to work with kdm when switching users. This works for me on Ubuntu 12.04 (Precise Pangolin)/Linux Mint 13 (maya) in a gnome-fallback session.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/878545 Title: Unable to switch user when using kdm: The name org.gnome.DisplayManager was not provided by any .service files To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/878545/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs