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)
Date: Sat, 5 Oct 2002 13:35:42 +0400 [thread overview]
Message-ID: <20021005133542.A4199@jurassic.park.msu.ru> (raw)
In-Reply-To: <Pine.LNX.4.44.0210042024080.1257-100000@home.transmeta.com>; from torvalds@transmeta.com on Fri, Oct 04, 2002 at 08:26:20PM -0700
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.
next prev parent reply other threads:[~2002-10-05 9:30 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-04 20:14 Paul E. Erkkila
2002-10-04 21:58 ` Linus Torvalds
2002-10-05 0:03 ` Paul E. Erkkila
2002-10-05 0:33 ` Alexander Viro
2002-10-05 0:40 ` Linus Torvalds
2002-10-05 0:51 ` Alexander Viro
2002-10-05 1:02 ` Linus Torvalds
2002-10-05 1:13 ` David S. Miller
2002-10-05 1:27 ` Alexander Viro
2002-10-05 1:41 ` Linus Torvalds
2002-10-05 2:00 ` David S. Miller
2002-10-05 2:22 ` Linus Torvalds
2002-10-05 2:22 ` David S. Miller
2002-10-05 2:00 ` Linus Torvalds
2002-10-05 3:20 ` Alexander Viro
2002-10-05 3:26 ` Linus Torvalds
2002-10-05 9:35 ` Ivan Kokshaysky [this message]
2002-10-05 1:14 ` Alexander Viro
2002-10-05 0:44 ` Alexander Viro
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