From owner-freebsd-smp Wed May 21 10:45:57 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id KAA23752 for smp-outgoing; Wed, 21 May 1997 10:45:57 -0700 (PDT) Received: from Ilsa.StevesCafe.com (Ilsa.StevesCafe.com [205.168.119.129]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id KAA23729 for ; Wed, 21 May 1997 10:45:47 -0700 (PDT) Received: from Ilsa.StevesCafe.com (localhost [127.0.0.1]) by Ilsa.StevesCafe.com (8.8.5/8.8.5) with ESMTP id LAA08393; Wed, 21 May 1997 11:44:39 -0600 (MDT) Message-Id: <199705211744.LAA08393@Ilsa.StevesCafe.com> X-Mailer: exmh version 2.0gamma 1/27/96 From: Steve Passe To: Tony Overfield cc: "John W. DeBoskey" , Janick.Taillandier@ratp.fr (Janick Taillandier), freebsd-smp@FreeBSD.ORG Subject: Re: Dell Optiplex GXPro Dual will not boot In-reply-to: Your message of "Wed, 21 May 1997 09:30:27 CDT." <3.0.1.32.19970521093027.0068d35c@bugs.us.dell.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 21 May 1997 11:44:39 -0600 Sender: owner-smp@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Hi, > > On Thu, May 08, 1997 at 17:31:30 -0400 (EDT), John W. DeBoskey wrote: > >> The GENERIC kernel builds and boots just fine on this machine. > >>An SMP kernel starts to boot, but comes to a standstill just > >>after printing out the following msg: > >> > >>BIOS basemem(638K) != RTC basemem(640K), setting to BIOS value. > ... to track this down I will need a tester who has this board/problem to run test code. the clues point to the bootstrap code being placed in the wrong area of lower memory. the first thing to do is sprinkle printf()s thru sys/i386/i386/mp_machdep.c: mp_probe() & mp_enable() print the passed args to each. try and bracket the location where we go off the deep end... -- Steve Passe | powered by smp@csn.net | Symmetric MultiProcessor FreeBSD