[PD] info Gem: problems with new Nvidia drivers [Dri-devel] Re: Athlon/Linux bug found (fwd)

rat at telecoma.net rat at telecoma.net
Tue Jan 22 22:36:47 CET 2002


hi,

this could be for some on the list the problem why the new (well not soo
new), nvidia drivers are not working, or makeing troubles.

---------- Forwarded message ----------
Date: Tue, 22 Jan 2002 22:05:54 +0100
From: "Dieter [iso-8859-15] Nützel" <Dieter.Nuetzel at hamburg.de>
To: "Lincoln, Michael C" <mclinc at essex.ac.uk>
Cc: DRI-Devel <dri-devel at lists.sourceforge.net>
Subject: [Dri-devel] Re: Athlon/Linux bug found

On Monday, 21. January 2002, Michael C Lincoln wrote:
> Just in case any one missed it... These is a hardware bug in the Athlon
> processor's extended paging (PSE) that cause serious problems when AGP
> is in use. I've attached a copy of the article as the site is currently
> slashdotted.
>
>
> "The bad news is that a major Athlon CPU bug has been discovered, and it
> affects Linux 2.4. Note that this is a bug in the actual CPU itself, and
> is not a Linux bug. However, it becomes our problem because there are
> very many semi-broken Athlon/Duron/Athlon MP CPUs out there.
[-]

Sorry,

it is not true that Linux 2.4 is "hard" affected.
Read L-KML about it.
http://marc.theaimsgroup.com/?l=linux-kernel&m=101168170221868&w=2

Linux "only" use aligned access of 4MB pages, but the current Nvidia kernel 
module seems to be affected.

Regards,
	Dieter

-- 
Dieter Nützel
Graduate Student, Computer Science

University of Hamburg
Department of Computer Science
@home: Dieter.Nuetzel at hamburg.de

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