Fixed for me wih the new kernel update linux-source-2.6.20 2.6.20-12.19 Seem to be related to this change : * drivers/ata/: Sync with upstream for new drivers and acpi fixes. - GIT-SHA c38186b50b5d8444091a2f974e035abeb783499b
Thanks. -- poweroff does not work on ASUS P4P800-SE https://launchpad.net/bugs/88623 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs