(gnome-settings-daemon:2868): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
(nautilus:2894): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
(polkit-gnome-authentication-agent-1:2920): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
(gnome-panel:2893): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to allocate widget with width -8 and height 24
(gnome-panel:2893): Gdk-WARNING **: /build/buildd/gtk+2.0-2.18.3/gdk/x11/gdkdrawable-x11.c:952 drawable is not a pixmap or window
(firefox:3041): GLib-WARNING **: g_set_prgname() called multiple times
(firefox:3321): GLib-WARNING **: g_set_prgname() called multiple times
(firefox:3490): GLib-WARNING **: g_set_prgname() called multiple times
(thunderbird-bin:3524): GLib-WARNING **: g_set_prgname() called multiple times