I have exactly the same problem with my Fujitsu M1437G (ATI X700). sudo shutdown -h now doesn't help to have a nice shutdown. The screen becomes full of white,yellow lines and all the commands are useless (CTRl+BACKSPACE,.... nothing works).
The only solution is the power button that is a bit brutal. This problem is already unsolved in the feisty snapshot. -- freeze during extinction https://launchpad.net/bugs/72169 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
