found 622231 3.0.0-2 thanks The problem has still occurred with linux-image-3.0.0-1-amd64 3.0.0-2. I had to reboot the machine. -- Vincent Lefèvre <vincent@vinc17.net> - Web: <http://www.vinc17.net/> 100% accessible validated (X)HTML - Blog: <http://www.vinc17.net/blog/> Work: CR INRIA - computer arithmetic / Arénaire project (LIP, ENS-Lyon)