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 c38186b50b5d8444091a2f974e035abeb783499bThanks. -- poweroff does not work on ASUS P4P800-SE https://launchpad.net/bugs/88623 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
