Re: SMP broken on pre-ACPI machine.

From: Dave Jones
Date: Thu Oct 19 2006 - 16:12:17 EST


On Thu, Oct 19, 2006 at 03:16:44PM -0400, Dave Jones wrote:

> Why smp_found_config isn't set in that guys configuration is a mystery to me,
> as his MPS tables look sane..
>
> MP Table:
> # APIC ID Version State Family Model Step Flags
> # 0 0x10 BSP, usable 6 2 1 0x0381
> # 0 0x10 AP, usable 6 1 7 0xfbff
>
> Hmm, wait, he has unpaired CPUs. I wonder if that's the reason.
> I know *some* combinations of PPro's are valid to be paired, but I'll
> need to dig out the old docs to be sure.

Ok, after reading http://www.intel.com/design/archives/processors/pro/docs/242689.htm
I'm more puzzled than ever. There never was a model 2 Pentium Pro.
Either this BIOS is on crack and putting nonsense in its MPS tables,
or this is a hardware flaw of some sort.

Dave

--
http://www.codemonkey.org.uk
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