This bug is caused by the removal of gdmflexiserver in Ubuntu 14.04. The source of xfswitch-plugin needs to be edited accordingly. It should either call "dm-tool switch-to-greeter" (lightdm) or a wrapper script which detects the running display manager and initiates the user switch.
http://bazaar.launchpad.net/~ubuntu-branches/ubuntu/trusty/xfswitch- plugin/trusty/view/head:/panel-plugin/main.c#L118 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1320560 Title: xfswitch-plugin refuses to switch user To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xfswitch-plugin/+bug/1320560/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs