From mboxrd@z Thu Jan  1 00:00:00 1970
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [PATCH 2/2] Fix console
	handling	during	suspend/resume
Date: Fri, 16 Jun 2006 11:03:36 +1000
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To: Peter Jones <pjones@redhat.com>
Cc: Linus Torvalds <torvalds@osdl.org>, Power management list <linux-pm@lists.osdl.org>, Pavel Machek <pavel@ucw.cz>
List-Id: linux-pm@vger.kernel.org

On Wed, 2006-06-14 at 18:26 -0400, Peter Jones wrote:
> On Thu, 2006-06-15 at 00:12 +0200, Pavel Machek wrote:
> > Hi!
> > =

> > > > > The debugging patch helped me figure out a number of the problems=
 (and =

> > > > > even more problems that then didn't actually make any difference =
once I =

> > > > > started getting things working ;)
> > > > > =

> > > > > And the console fixes is apparently what got things working in SM=
P mode. =

> > > > =

> > > > It works for some people _without_ that console fix.
> > > =

> > > Yes. It worked for me in UP and with several drivers removed without =
the =

> > > console fix. It didn't work for me when I did fancier stuff, netconso=
le in =

> > > particular ;/
> > =

> > I guess I'd much rather see
> > =

> > if (network_driver_suspended)
> > 	drop_message_on_the_floor() =

> =

> I think we have the same problems with e.g. fbcon .

fbcon has an interface to stop all access to the physical framebuffer.
It's called fb_set_suspend() and is meant to be called by the fbdev when
it's suspended.

Ben