Traceback (most recent call last):
  File "/usr/bin/sugar-session", line 275, in <module>
    main()
  File "/usr/bin/sugar-session", line 225, in main
    from jarabe.desktop import homewindow
  File "/usr/lib/python2.7/dist-packages/jarabe/desktop/homewindow.py", line 21, in <module>
    from sugar.graphics import style
  File "/usr/lib/python2.7/dist-packages/sugar/graphics/style.py", line 120, in <module>
    FONT_SIZE = client.get_float('/desktop/sugar/font/default_size')
GError: L'activation du serveur de configuration a échoué : The name org.gnome.GConf was not provided by any .service files