[Dri-devel] Re: Athlon/Linux bug found

[Dieter <Die...@ha...>]

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: Die...@ha...