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To: Steve Passe <smp@csn.net>
cc: freebsd-smp@FreeBSD.ORG, rv@groa.uct.ac.za, erich@uruk.org
Subject: Re: SMP on Intel MG15 
In-reply-to: Your message of "Sat, 31 Aug 1996 15:43:40 MDT."
             <199608312143.PAA28776@clem.systemsix.com> 
Date: Sun, 01 Sep 1996 09:21:41 +0200
Message-ID: <300.841562501@critter.tfs.com>
From: Poul-Henning Kamp <phk@critter.tfs.com>
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In message <199608312143.PAA28776@clem.systemsix.com>, Steve Passe writes:
>Hi,
>
>Russel and I are trying to get FreeBSD SMP working on the Intel XXPRESS
>board.  We are past hte 2nd CPU ID = 2 problem.  It appears that
>the apic_startup routine never (correctly) launches the 2nd CPU.  looking
>at the MP spec and Intel pent. manuals it appears that the INIT/Reset
>IPI expects that a "warm start vector" will exist for starting the
>2nd CPU, but the current code seems to ignore this. See MP spec B.4.1
>for details.

the startup code is just the minimum to get neptune based machines
flying.

much work is needed there.

--
Poul-Henning Kamp           | phk@FreeBSD.ORG       FreeBSD Core-team.
http://www.freebsd.org/~phk | phk@login.dknet.dk    Private mailbox.
whois: [PHK]                | phk@ref.tfs.com       TRW Financial Systems, Inc.
Future will arrive by its own means, progress not so.