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Date: Sat, 5 Oct 2002 13:35:42 +0400
From: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Alexander Viro <viro@math.psu.edu>, "David S. Miller" <davem@redhat.com>,
       linux-kernel@vger.kernel.org
Subject: Re: oops in bk pull (oct 03)
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On Fri, Oct 04, 2002 at 08:26:20PM -0700, Linus Torvalds wrote:
> Ok, that definitely clinches it - it's the cache miss coupled with host
> bridge confusion that causes it to start fetching from PCI space instead
> of RAM (or, more likely just get really confused about it and maybe 
> fetch from both).
> 
> It's always good to understand why someting doesn't work, rather than just
> revert it because it breaks inexplicably.

Ugh. I'm 99.9% sure that it was an AGP GART window. Being mapped at 0, it
immediately caused all sorts of havoc.

Sorry for that breakage.

Ivan.
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