Gerardo Exequiel Pozzi wrote:

> With the recent version 2.6.6 my ide disks are shutdown on reboot, 
> this not happens with 2.6.5. I try booting with acpi=off and it
> behaves equal, disk shutdown on reboot.

Wildly annoying isn't it? Seems to be a generic problem with linux not 
differentiatinng between REBOOT and HALT/POWEROFF. Andrew Morton just 
posted a patch to deplex them:

http://marc.theaimsgroup.com/?l=linux-kernel&m=108425291909843&w=2

You can wait for the IDE crowd to use that to implement a proper fix or 
staple the attached hack on top if it must go now.

Rene.