Re: Pentium II stepping 4 - problems with SMP!

Ove Ewerlid (Ove.Ewerlid@syscon.uu.se)
Wed, 04 Feb 1998 19:14:11 +0100

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Alan Cox wrote:
>
> > Today I got a new system that is identical apart from the processors
> > being of stepping 4 (and a minor BIOS upgrade).
>
> Yes. Your vendor has a faulty bios that doesnt correctly set the slave CPU
> MTRR's. Send it back buy a real one, or if you really want to trust a vendor
> who cant read specs try the patch on www.uk.linux.org/SMP

Obfuscating the fix-bios patch (for 2.0.x) into 2.1.85 fixes the
problem.
(Some trivial changes wrt to have_cpuid)

Some data:

Award BIOS v4.51PG
MB P6LX2-A V1.3 (19971217)

Thanks!

Ove
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Next message: W. Reilly Cooley: "Apology"
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Maybe in reply to: Ove Ewerlid: "Pentium II stepping 4 - problems with SMP!"