Subject: Re: SOC project idea
To: Perry E. Metzger <perry@piermont.com>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: netbsd-users
Date: 03/08/2007 21:18:00
On Thu, Mar 08, 2007 at 03:13:43PM -0500, Perry E. Metzger wrote:
> 
> Manuel Bouyer <bouyer@antioche.eu.org> writes:
> > On Thu, Mar 08, 2007 at 04:05:02PM +0200, Alexander V. Butenko wrote:
> >> Hello,
> >> 
> >> It seems that only me is is missing suspend to ram function in netbsd.
> >> Now its implementation is far from ideal.
> >> Maybe its implementation can be improved during google summer of code?
> >
> > This is something quite complext and hightly hardware-dependant.
> > I don't think it's appropriate for SOC, especially because of the wide
> > range of hardware this needs to be tested on ...
> 
> Suspend to ram is not particularly distinct from ACPI S3, and people

This is what I'm talking about, yes.

> are largely concerned about this on the x86 and amd64 platforms
> anyway, since most other machines aren't really in a position to do
> such things anyway.

And from what I understood, the grounds for ACPI S3 is there. It's
even working in some case. The remaining issues are hardware dependant,
with e.g. differences in ACPI implementations, and probably support in
some drivers. 

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--