(gnome-settings-daemon:1622): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
(polkit-gnome-authentication-agent-1:1763): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
(nautilus:1731): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
(gnome-panel:1730): Gdk-WARNING **: /build/buildd/gtk+2.0-2.18.3/gdk/x11/gdkdrawable-x11.c:952 drawable is not a pixmap or window
(firefox:1900): GLib-WARNING **: g_set_prgname() called multiple times
(firefox:2001): GLib-WARNING **: g_set_prgname() called multiple times