Re: CVS commit: src/sys/dev/acpi

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Wed, Apr 08, 2009 at 02:58:58PM -0400, Perry E. Metzger wrote:
> 
> "Jared D. McNeill" <jared.mcneill%live.ca@localhost> writes:
> > Detaching ACPI is more complicated than this because it is actually
> > used for much more than just device attachment; think about IRQ
> > routing, PCI bus discovery, PCI bus/addr/intr fixups, and CPU
> > attachment as some examples. It's probably not worth the effort.
> 
> If one does detach and reattach properly, hibernation becomes much more
> straightforward. Recovering from hibernation, after all, is mostly just
> re-loading a memory image from disk and then re-attaching all the
> devices. I would say it is worth the effort.

I disagree. You can't detach and reattach devices that are in use.
You will like not keep device state that way either.

Joerg