(gnome-settings-daemon:1237): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
(polkit-gnome-authentication-agent-1:1336): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
(nautilus:1317): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
(gnome-panel:1316): Gdk-WARNING **: /build/buildd/gtk+2.0-2.18.3/gdk/x11/gdkdrawable-x11.c:952 drawable is not a pixmap or window
(gnome-panel:1316): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to allocate widget with width -4 and height 24
(firefox:1738): GLib-WARNING **: g_set_prgname() called multiple times