linux-kernel - Re: Suspend to disk broken in latest 2.6.28-rc3

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Date:	Wed, 12 Nov 2008 13:57:01 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Jens Axboe <jens.axboe@...cle.com>,
	"Mathieu Chouquet-Stringer" <mchouque@...e.fr>,
	Pavel Machek <pavel@...e.cz>, linux-kernel@...r.kernel.org,
	linux-pm@...ts.linux-foundation.org,
	Alex Deucher <alexdeucher@...il.com>,
	Dave Airlie <airlied@...hat.com>
Subject: Re: Suspend to disk broken in latest 2.6.28-rc3

On Wednesday, November 12, 2008 1:37 pm Rafael J. Wysocki wrote:
> On Wednesday, 12 of November 2008, Jens Axboe wrote:
> > On Wed, Nov 12 2008, Jesse Barnes wrote:
> > > On Tuesday, November 11, 2008 7:27 am Mathieu Chouquet-Stringer wrote:
> > > > On Tue, Nov 11, 2008 at 12:15:24AM +0100, Mathieu Chouquet-Stringer 
wrote:
> > > > > This one I guess:
> > > > > http://bugzilla.kernel.org/attachment.cgi?id=18644&action=view
> > > > >
> > > > > Let me give it a shot, I'll keep you posted.
> > > >
> > > > So I compiled the module, rebooted just to have a clean starting
> > > > point, started X then tried to suspend: no go...
> > >
> > > Dave pushed a fix for this (more complete than the one in the patch you
> > > reference), have you tried the kernel from today to see if things work
> > > now?
> >
> > A drm enabled kernel also hangs hard on resume (just see the mouse
> > pointer) here on the x60. Removing drm makes it work just fine. 2.6.27
> > works fine as well.
>
> Is there Intel graphics in there?

Yeah I think so... I wonder if this is another case where a POST conflicted 
with the kernel's restore and caused X to hang...

Jens, does suspend/resume work if you just do it from the console (echo mem > 
/sys/power/state) with i915 loaded?

Jesse

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