Re: Possible Pentium MMX CPU bug?

linux kernel account (linker@nightshade.z.ml.org)
Fri, 28 Nov 1997 12:22:11 -0500 (EST)

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On Fri, 28 Nov 1997, Thomas Wouters wrote:

> However...
>
> (centurion:~) # ./mw_bug
> testing bug ... no Pentium MMX 'missed write' bug in this CPU.
>
> And I have a Stepping 3 Pentium/MMX 200. Compiled the program with both gcc
> 2.7.2.1 (Standard RedHat version) and with egcs-2.90.17p (pgcc) with various
> optimizations, ran it under kernel 2.0.30 (standard RedHat version) and
> 2.1.66.

Perhaps PGCC silently fixes the problem..

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