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From: Jung-uk Kim <jkim@FreeBSD.org>
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Date: Thu, 24 Feb 2011 15:38:15 -0500
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Cc: Bruce Cran <bruce@cran.org.uk>, Mitya <mitya@cabletv.dp.ua>,
	Nathan Whitehorn <nwhitehorn@freebsd.org>
Subject: Re: Cosmetic path to bsdinstall
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On Thursday 24 February 2011 03:11 pm, John Baldwin wrote:
> On Thursday, February 24, 2011 10:27:59 am Bruce Cran wrote:
> > On Thu, 24 Feb 2011 09:00:44 -0600
> >
> > Nathan Whitehorn <nwhitehorn@freebsd.org> wrote:
> > > Having CAM devices be part of newbus would
> > > simplify this a very great deal...
> >
> > It's required if we're ever going to have suspend/resume working
> > properly because currently CAM doesn't get a suspend
> > notification, so doesn't know to spin-down disks etc.
>
> The controllers get a suspend notification though (via
> device_suspend() hooks that drivers like mpt, etc. could register
> for) and could then use that to post a suspend of the associated
> buses.  That doesn't require CAM to use new-bus though.

FYI, I've been using the following hack for a while now:

http://people.freebsd.org/~jkim/ada_suspend.diff

Jung-uk Kim