(gnome-settings-daemon:16797): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
(gnome-settings-daemon:16797): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
(nautilus:16907): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
(polkit-gnome-authentication-agent-1:16915): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
(gnome-panel:16898): Gdk-WARNING **: /build/buildd/gtk+2.0-2.18.3/gdk/x11/gdkdrawable-x11.c:952 drawable is not a pixmap or window
(totem-video-thumbnailer:17668): GStreamer-CRITICAL **: gst_event_new_new_segment_full: assertion `start != -1' failed
(totem-video-thumbnailer:17668): GStreamer-CRITICAL **: gst_pad_push_event: assertion `event != NULL' failed
(totem-video-thumbnailer:17668): GStreamer-CRITICAL **: gst_event_new_new_segment_full: assertion `start != -1' failed
(totem-video-thumbnailer:17668): GStreamer-CRITICAL **: gst_pad_push_event: assertion `event != NULL' failed
(totem-video-thumbnailer:17786): GStreamer-CRITICAL **: gst_event_new_new_segment_full: assertion `start != -1' failed
(totem-video-thumbnailer:17786): GStreamer-CRITICAL **: gst_pad_push_event: assertion `event != NULL' failed