It was mythtv for me. Workaround was to uninstall it. Same problem on ubuntuforums: http://ubuntuforums.org/showthread.php?p=8127631
-- shutdown asks for password with only 1 user logged in https://bugs.launchpad.net/bugs/445953 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs