This is the same bug as https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/259219. The Ubuntu bug has been fixed, and I believe the fix has been ported to Debian as well. Unfortunately, I got completely lost in the bug tracker trying to verify this. -- Any technology distinguishable from magic is insufficiently advanced. Ulrich von Zadow | +49-172-7872715 Jabber: coder@c-base.org Skype: uzadow