linux-kernel - Re: Suspend on Dell D420

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Message-ID: <20060809002159.GE4886@elf.ucw.cz>
Date:	Wed, 9 Aug 2006 02:21:59 +0200
From:	Pavel Machek <pavel@....cz>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	"Steinar H. Gunderson" <sgunderson@...foot.com>,
	linux-kernel@...r.kernel.org, Andrew Morton <akpm@...l.org>
Subject: Re: Suspend on Dell D420

On Tue 2006-08-08 17:41:23, Rafael J. Wysocki wrote:
> On Tuesday 08 August 2006 17:01, Steinar H. Gunderson wrote:
> > On Tue, Aug 08, 2006 at 04:04:00PM +0200, Rafael J. Wysocki wrote:
> > > Please apply the appended patch to the SMP kernel and try the following:
> > >
> > > [...]
> > >
> > > I think (1) will work and (2) will not, but let's see. :-)
> > 
> > Actually, both worked just fine. The first one (testproc) gave me EPERM on
> > the actual write call according to echo, but I guess that's just a side
> > effect of sloppy test code :-)
> 
> Oh, I just forgot to initialize error in kernel/power/disk.c#prepare_processes.c .
> Sorry.
> 
> However, this means the drivers' suspend and resume routines seem to work fine
> and the problem is somehow related to the BIOS black magic that happens
> during the "real" suspend.
> 
> No idea what to do next. :-(

(Can we get bugzilla entry? I somehow lost track).

Can you try with method=powerdown or method=reboot? BIOS black magic
is not involved at least in reboot parts...
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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