Kernel 3.1 indeed breaks badly on some boxes. Try the latest 3.2, which both Debian and Ubuntu will stabilize for the next stable releases, and which is currently being supported upstream as well. -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh