Correction. I've been playing around with it, and my problem is similar to yours, but shutdown is not affected, only restart. I noticed that when Ubuntu restarts, it reloads the kernel, not the entire computer. This might have something to do with it.
** Attachment added: "lspci.txt" http://launchpadlibrarian.net/26003882/lspci.txt -- White screen on M1330 during some startups/shutdowns in Jaunty 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