Not a GDM/gdmsetup problem, see here: https://launchpad.net/ubuntu/+source/dbus-glib/+bug/71248
The workaround mentioned is working for me.
Not a GDM/gdmsetup problem, see here: https:/ /launchpad. net/ubuntu/ +source/ dbus-glib/ +bug/71248
The workaround mentioned is working for me.