Michael, I confirm that this is a duplicate of 835822.
I also confirm that the workaround is working for me. I think that this ticket can safely be marked as duplicated and closed. Thanks! -- Pascal Obry / Magny Les Hameaux (78) The best way to travel is by means of imagination http://www.obry.net gpg --keyserver keys.gnupg.net --recv-key F949BD3B