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Subject: Re: Problem with k7 optimizations in 2.4.x?
To: moses@texoma.net (Moses Mcknight)
Date: Fri, 13 Apr 2001 16:30:16 +0100 (BST)
Cc: linux-kernel@vger.kernel.org
In-Reply-To: <3AD706C4.8020705@texoma.net> from "Moses Mcknight" at Apr 13, 2001 09:01:40 AM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> settings or what, but whenever I try to run a 2.4.x kernel on my machine 
> with k7 optimizations the computer will never fully boot and seems to 
> give random errors about being "unable to handle kernel NULL pointer 
> dereference at virtual address xxxxxxxx" and other errors.

I run the K7 optimisations in 2.4.x-ac built with gcc 2.96-69 or later with no
problems. I've not tested them with egcs-1.1.2. The earlier 2.4.* had problems
on later Athlons which have both fxsave and movntq/sfence. That was fixed a 
while back tho

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