Are you using the latest 2.6.17-8.22? Please make sure you are using that (or newer), and also provide (attach) dmesg output.
** Changed in: linux-source-2.6.17 (Ubuntu) Status: Unconfirmed => Needs Info -- My computer doesn't poweroff https://launchpad.net/bugs/61602 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs