linux-kernel - Re: [Linux-fbdev-devel] Fwd: [Suspend-devel] resume not working on acer ferrari 4005 with radeonfb enabled

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Date:	Wed, 15 Nov 2006 00:12:56 +0100
From:	Pavel Machek <pavel@....cz>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Christian Hoffmann <chrmhoffmann@...il.com>,
	linux-fbdev-devel@...ts.sourceforge.net,
	Christian Hoffmann <Christian.Hoffmann@...lstreetsystems.com>,
	Andrew Morton <akpm@...l.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Solomon Peachy <pizza@...ftnet.org>
Subject: Re: [Linux-fbdev-devel] Fwd: [Suspend-devel] resume not working on acer ferrari 4005 with radeonfb enabled


On Tue 2006-11-14 23:57:59, Rafael J. Wysocki wrote:
> On Tuesday, 14 November 2006 23:56, Pavel Machek wrote:
> > Hi!
> > 
> > > > > I tried netconsole, and it somehow works, but when suspending it says in
> > > > > an "infinite" loop:
> > > > >
> > > > > unregister_netdevice: waiting for eth2 to become free. Usage count = 1
> > > >
> > > > Hm.  Is your kernel compiled with CONFIG_DISABLE_CONSOLE_SUSPEND set?
> > > >
> > > > Rafael
> > > 
> > > I tried that patch, but the last message I see over netconsole (using tg3) is:
> > > Suspending console(s)
> > > and then nothing. Nothing on resume at all :(
> > > 
> > > Adding some printks in the radeonfb_pci_suspend and radeonfb_pci_resume 
> > > (radeon_pm.c) didn't help: I don't see them. But I am not a kernel programmer 
> > > at all, so I might do something wrong or in the wrong place.
> > 
> > Linus has crazy "write some info to CMOS" hack... which should be
> > usable here.
> 
> No, it's i386-only.

Ok, so you could debug it on i386 kernel :-). Actually trying if s2ram
works in 32-bit mode _would_ be interesting.

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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