I ran ck-list-sessions, interesting output. It seems that rabbitmq-server is listed as a logged in user account.
** Attachment added: "Output of ck-list-sessions with me logged in in Unity on tty7 and another me logged in on vt1" https://bugs.launchpad.net/ubuntu/+source/gnome-session/+bug/880771/+attachment/2571349/+files/sessions.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/880771 Title: Unable to shut down (from either lightdm or unity session) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-session/+bug/880771/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs