(polkit-gnome-authentication-agent-1:8549): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
(rhythmbox:12711): GStreamer-WARNING **: 
(rhythmbox:12711): GStreamer-WARNING **: 
(rhythmbox:12711): GStreamer-WARNING **: 
(rhythmbox:12711): GStreamer-WARNING **: 
(rhythmbox:12711): GStreamer-WARNING **: 
(rhythmbox:12711): GLib-CRITICAL **: g_str_has_prefix: assertion `str != NULL' failed
(rhythmbox:12711): GLib-CRITICAL **: g_str_has_prefix: assertion `str != NULL' failed