(gnome-settings-daemon:4829): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
(polkit-gnome-authentication-agent-1:4950): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
(gnome-display-properties:5131): Gtk-WARNING **: Ignoring the separator setting
(gnome-display-properties:5131): Gtk-WARNING **: No object called: 
(firefox:5133): GLib-WARNING **: g_set_prgname() called multiple times
(gdu-notification-daemon:4942): libgdu-WARNING **: Couldn't call GetAll() to get properties for /org/freedesktop/DeviceKit/Disks/devices/dm_2d1: Method "GetAll" with signature "s" on interface "org.freedesktop.DBus.Properties" doesn't exist
(firefox:5133): Gtk-CRITICAL **: gtk_drag_get_data: assertion `GTK_IS_WIDGET (widget)' failed
(firefox:5133): Gtk-CRITICAL **: gtk_drag_get_data: assertion `GTK_IS_WIDGET (widget)' failed
(firefox:5133): Gtk-CRITICAL **: gtk_drag_get_data: assertion `GTK_IS_WIDGET (widget)' failed
(firefox:5133): Gtk-CRITICAL **: gtk_drag_get_data: assertion `GTK_IS_WIDGET (widget)' failed
(firefox:5133): Gtk-CRITICAL **: gtk_drag_get_data: assertion `GTK_IS_WIDGET (widget)' failed