linux-kernel - Re: SMP broken on pre-ACPI machine.

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Message-ID: <20061019232059.GA2409@redhat.com>
Date:	Thu, 19 Oct 2006 19:20:59 -0400
From:	Dave Jones <davej@...hat.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Len Brown <lenb@...nel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	linux-acpi@...r.kernel.org
Subject: Re: SMP broken on pre-ACPI machine.

On Thu, Oct 19, 2006 at 11:17:19PM +0100, Alan Cox wrote:
 > Ar Iau, 2006-10-19 am 16:11 -0400, ysgrifennodd Dave Jones:
 > > 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
 > 
 > Isn't that an "overdrive" ? if so it isn't supposed to be SMP capable

I don't think so. The only overdrive that fitted in a socket 8 board
was a PPro->PentiumII thing, which would be model 3 stepping 2 as far
as I can figure out from a lengthy archeology trip through developer.intel.com.

There were also some Socket8->Socket370 convertors, but afaik they just passed
through the family/model/stepping of whatever was plugged into them.

	Dave

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