From owner-freebsd-smp Sat Jul 19 09:12:06 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id JAA01154 for smp-outgoing; Sat, 19 Jul 1997 09:12:06 -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 JAA01136 for ; Sat, 19 Jul 1997 09:12:00 -0700 (PDT) Received: from Ilsa.StevesCafe.com (localhost [127.0.0.1]) by Ilsa.StevesCafe.com (8.8.6/8.8.5) with ESMTP id KAA26262; Sat, 19 Jul 1997 10:11:57 -0600 (MDT) Message-Id: <199707191611.KAA26262@Ilsa.StevesCafe.com> X-Mailer: exmh version 2.0gamma 1/27/96 From: Steve Passe To: Rick Lotoczky cc: smp@FreeBSD.ORG Subject: Re: HEADS UP: major timer/APIC code changes. In-reply-to: Your message of "Sat, 19 Jul 1997 08:39:36 EDT." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sat, 19 Jul 1997 10:11:57 -0600 Sender: owner-smp@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Hi, > > Please send me reports for ANY new kernel builds, working or not. I need > > to know ASAP whether I've broken anything. This is one of those changes > > that may behave differently on various hardware. > > > > The affected code is identifiable by sys/i386/include/smptests.h: > > > > * $Id: smptests.h,v 1.13 1997/07/19 03:56:30 fsmp Exp $ > > -current of today and SMP kernel of today (7/19/97). > > the uniprocessor kernel runs fine, but the SMP kernel panics with > something like "can't physically attach 8254 to PIN0" > > This is a SuperMicro P6DOF motherboard. Last kernel built was 7/13/97 > and all seemed to work okay. How do I disable the automatic attachment > of PIN0 to the 8254?? well, the theory is that you don't. We need to figure out why it doesn't work. I need to see the output of "mptable -dmesg", either from a current UP kernel or the previous working SMP kernel. Also, did you remove ?SMP_TIMER_NC" from your config? And did you change smptests.h in any way? -- Steve Passe | powered by smp@csn.net | Symmetric MultiProcessor FreeBSD