(gnome-settings-daemon:2100): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed (gnome-settings-daemon:2100): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed (polkit-gnome-authentication-agent-1:2127): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed (gnome-panel:2138): EggSMClient-CRITICAL **: egg_sm_client_set_mode: assertion `global_client == NULL || global_client_mode == EGG_SM_CLIENT_MODE_DISABLED' failed (nm-applet:2132): Gdk-CRITICAL **: gdk_window_thaw_toplevel_updates_libgtk_only: assertion `private->update_and_descendants_freeze_count > 0' failed (mutter:2164): Clutter-WARNING **: Attempting to map a child that does not meet the necessary invariants: the actor is parented to an unmapped actor (mutter:2488): Clutter-WARNING **: Attempting to remove actor of type 'ShellGtkEmbed' from group of class 'BigBox', but the container is not the actor's parent.