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Date:      Thu, 12 Dec 2002 20:13:27 -0500 (EST)
From:      Jonathan Disher <jdisher@parad.net>
To:        stable@FreeBSD.ORG
Subject:   Re: Cyrix CPUs, was: Re: Repeatable crash from nautilus2
Message-ID:  <Pine.LNX.4.44.0212122011300.17833-100000@pasiphae>
In-Reply-To: <001b01c2a242$7c966ed0$0301a8c0@prime>

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On Thu, 12 Dec 2002, Charles Swiger wrote:

> Rhett Monteg Hollander wrote:
> [ ... ]
> > By the way, have never understood such a despise to
> > Cyrix CPUs. They were the best integer performers of
> > late 1990s, and quite reasonably priced.
>
> I believe the Cyrix CPUs had a slightly different exception frame layout
> compared with a genuine Intel CPU, and tended to cause some non-Microsoft OS'es
> to panic whenever the system lad got high or a multithreaded app was run.
> (IIRC...)

It wasn't limited to non-Microsoft OS's.  WindowsNT refused to
successfully install on Cyrix CPUs (and I think Windows98 didn't work well
either)...  It was specifically excluded from the NT HCL.  And I've seen
firsthand that they dislike each other.

-j


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