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

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Message-Id: <200611121328.36267.rjw@sisk.pl>
Date:	Sun, 12 Nov 2006 13:28:35 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Pavel Machek <pavel@....cz>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Christian Hoffmann <Christian.Hoffmann@...lstreetsystems.com>,
	Andrew Morton <akpm@...l.org>,
	Solomon Peachy <pizza@...ftnet.org>,
	linux-fbdev-devel@...ts.sourceforge.net,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Fwd: [Suspend-devel] resume not working on acer ferrari 4005 with radeonfb enabled

On Sunday, 12 November 2006 13:13, Pavel Machek wrote:
> Hi!
> 
> > > Then the radeonfb doesn't kick in at all (guess some pci ids are added
> > > in that patch).
> > > 
> > > BTW: resume/suspend works ok if I have the vesa fb enabled.
> > 
> > In that case (vesafb), when does the screen come back precisely ? Do you
> > get console mode back and then X ? Or it only comes back when going back
> > to X ? Do you have some userland-type vbetool thingy that bring it
> > back ?
> 
> He's using s3_bios+s3_mode, so kernel does some BIOS calls to reinit
> the video. It should come out in text mode, too.
> 
> Christian, can you unload radeonfb before suspend/reload it after
> resume?
> 
> Next possibility is setting up serial console and adding some printks
> to radeon...

I guess this box has no serial ports, but netconsole should do (provided
there's another box nearby on which netcat can be run).

Rafael


-- 
You never change things by fighting the existing reality.
		R. Buckminster Fuller
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