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Date: Tue, 27 Nov 2001 11:51:03 +0100
From: Stephan von Krawczynski <skraw@ithnet.com>
To: Didier Moens <moensd@xs4all.be>
Cc: rml@tech9.net, Nicolas.Aspert@epfl.ch, linux-kernel@vger.kernel.org
Subject: Re: [Fwd: Re: OOPS in agpgart (2.4.13, 2.4.15pre7)]
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On Mon, 26 Nov 2001 23:16:33 +0100
Didier Moens <moensd@xs4all.be> wrote:

> Dear Robert, Nicolas, Stephan,   :)
> 
> I got two patches :
> 
> 
> 1. From Stephan, to test whether my assumption about the secondary 
> device was right :
> 
> Stephan wrote :
> 
> But if you want you can check that out pretty simple: just add a "break" 
> right
> after the case :
> 
>                  case PCI_DEVICE_ID_INTEL_830_M_0:
> ---> break;
> 
>                          i810_dev = pci_find_device(PCI_VENDOR_ID_INTEL,
> 
> 
> This patch left me with a loaded agpgart, and accelerated X (DRM/DRI). 
> The acceleration is still not up to par with an ATI Mobility-128 (30% 
> lower, while it should be at least 200% faster), but I suspect an X 
> CVS-problem here.
> 
> Quitting and restarting X leaves me with a locked black screen.

Can you provide the output provided by the agp module at load time, please?
This mini-patch of mine should indeed be technically sufficient. Of course I
will provide a "real-world" patch working for all i830 agp-chipsets (M or MG)
as soon as it is clear, that the detection still works.
I am a bit bothered by your X setup. Can you stabilize this somehow? Maybe
using some known-to-work (older) X version for your graphics card.

It looks solvable.

Regards,
Stephan

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