Installing packages from https://launchpad.net/~ubuntu-x-swat/+archive/x-updates/ fixed my problems with white screen at reboot/shutdown on my M1330 with Ubuntu 9.04.
-- [Jaunty] White screen on M1330 during some startups/shutdowns https://bugs.launchpad.net/bugs/367059 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
