To: linux-kernel@vger.kernel.org
Subject: Re: agpgart, nforce2, radeon and agp fastwrite
From: Jaakko Niemi <liiwi@lonesom.pp.fi>
Date: Sun, 13 Jul 2003 13:17:33 +0300
Message-ID: <87oezyg282.fsf@jumper.lonesom.pp.fi>
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Dave Jones wrote:
>On Sat, Jul 12, 2003 at 05:51:42PM +0200, Jan Dittmer wrote:
> > just took me half a hour to figure out. On nforce2 you have to disable
> > agp fastwrites, otherwise X locks hard on startup with the following
> > (from serial console).
> > ...
> >
> > Without AGP Fastwrites turned on, it all works wonderful. Just if
> > anybody encounters the same problem.
> > Mainboard is nForce2 based, graphics is radeon 8500le (R200).
>
>Could be that the nforce & radeon don't play well together.
>Anyone using fast writes without problems with non-ATI cards & nforce ?
>If it works there, it's trivial to blacklist ATI cards and make them
>unable to enable fast writes in the gart driver.

 Turning on fastwrites produces hangs on at least four different VIA based
 motherboards and five different radeons.

                       --j

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