Just to say that I have the exact same problem with my sid installation. The only workaround I found is to install lightdm which let me open a gnome-shell session. -- Pascal Obry / Magny Les Hameaux (78) The best way to travel is by means of imagination http://v2p.fr.eu.org http://www.obry.net gpg --keyserver keys.gnupg.net --recv-key F949BD3B