(gnome-settings-daemon:2031): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
(polkit-gnome-authentication-agent-1:2125): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
(nautilus:2121): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
(Do:2138): Wnck-CRITICAL **: wnck_set_client_type got called multiple times.
(gnome-panel:2120): Gdk-WARNING **: /build/buildd/gtk+2.0-2.18.3/gdk/x11/gdkdrawable-x11.c:952 drawable is not a pixmap or window
(dropbox:2171): Gdk-CRITICAL **: gdk_window_thaw_toplevel_updates_libgtk_only: assertion `private->update_and_descendants_freeze_count > 0' failed