This gets written in ~/.xsession-errors: (nautilus:14222): Liboobs-CRITICAL **: Failed to connect to socket /var/run/dbus/system_bus_socket: No such file or directory Liboobs-ERROR **: file oobs-session.c: line 103 (oobs_session_init): should not be reached aborting... -- Dbus shutdown crashes https://launchpad.net/bugs/59725