Halt not working

[Andreas Mueller]

Gerrit wrote:
> Alberto Molteni wrote:
> >    When I try to halt the machine I see all the apps
> > shutting down OK (except the mouse services, but I've
> > read that's quite normal) and then... nothing happens!
> > It gets as far as to:
> >
> > Flushing ide devices: hda hdb
> > Power down.
> >
> > or something like that. And then the computer hangs,
> > and I can just press the restart button. Rebooting
> > works (except a few occasional hangs on "Unmounting
> > file systems", but that doesn't bother me much).
> > Is there something wrong with the OS? Or is it
> > something to do with the BIOS or the ATX supply?
>
> You need to configure APM, Advanced Power Management, but some
> hardware is unable to do that.

If this doesn't work, try booting the kernel with "acpi=on" for ACPI 
support.

Regards,
Andreas