From owner-freebsd-smp Wed Dec 4 11:29:48 2002 Delivered-To: freebsd-smp@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 39EB037B41A; Wed, 4 Dec 2002 11:29:45 -0800 (PST) Received: from swan.mail.pas.earthlink.net (swan.mail.pas.earthlink.net [207.217.120.123]) by mx1.FreeBSD.org (Postfix) with ESMTP id 84B7243EBE; Wed, 4 Dec 2002 11:29:45 -0800 (PST) (envelope-from tlambert2@mindspring.com) Received: from pool0345.cvx40-bradley.dialup.earthlink.net ([216.244.43.90] helo=mindspring.com) by swan.mail.pas.earthlink.net with esmtp (Exim 3.33 #1) id 18JfDM-0005Cm-00; Wed, 04 Dec 2002 11:29:45 -0800 Message-ID: <3DEE51A6.90BE5C12@mindspring.com> Date: Wed, 04 Dec 2002 11:04:06 -0800 From: Terry Lambert X-Mailer: Mozilla 4.79 [en] (Win98; U) X-Accept-Language: en MIME-Version: 1.0 To: John Baldwin Cc: Oliver Blasnik , beemern , smp@FreeBSD.ORG Subject: Re: Intel SE7500CW2 narrowed down... References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org John Baldwin wrote: > The only other reported/known problems are on older Pentium and possibly > PPro machines. Do you have any other SMP i386 arch machines that do not > work? [ ... ] > Apparently both Linux and Windows use a different algorithm for starting > up AP's on i386 in that (I think) they send broadcast IPI's instead of > IPI'ing each CPU individually. This is why they work on old ASUS Pentium 90 boxes, and FreeBSD does not. It's not related to the P4 SE7500CW2-type problems, which are incorrect APIC description and chipset programming. -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message