Adding "nomodeset" at boot seems to fix the problem. No screen corruption anymore.
-- Ati x1270 corrupt screen https://bugs.launchpad.net/bugs/574321 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs