From owner-freebsd-current Tue Oct 24 19:46:57 2000 Delivered-To: freebsd-current@freebsd.org Received: from pike.osd.bsdi.com (pike.osd.bsdi.com [204.216.28.222]) by hub.freebsd.org (Postfix) with ESMTP id 03FB437B479 for ; Tue, 24 Oct 2000 19:46:56 -0700 (PDT) Received: from laptop.baldwin.cx (ether.osd.bsdi.com [204.216.28.196]) by pike.osd.bsdi.com (8.11.0/8.9.3) with ESMTP id e9P2kRf84948; Tue, 24 Oct 2000 19:46:27 -0700 (PDT) (envelope-from jhb@FreeBSD.org) Message-ID: X-Mailer: XFMail 1.4.0 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: Date: Tue, 24 Oct 2000 19:47:07 -0700 (PDT) From: John Baldwin To: Chuck Robey Subject: RE: smp instability Cc: FreeBSD-current@FreeBSD.org Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On 25-Oct-00 Chuck Robey wrote: > I'm having rather extreme problems with stability on my dual PIII > setup. I know this is to be expected, but it's gotten so extreme on my > system, I can't spend more than a few minutes before it locks up. > > Is there any chance that I could make things better by using a sysctl to > tell the box it's now a single-cpu system? I can't read man pages at the > moment (I'm composing this on my Sparc Ultra-5) so if this might work, and > someone knows the exact command to use, I'd appreciate a bit of help. You can use kernel.old to compile a UP kernel. I always keep a UP kernel around just in case. Also, when did your SMP box become unstable? There was a known problem with SMP boxes when the vm page zero'ing during the idle loop was first turned on that has since been fixed with the latest commit to vm_machdep.c yesterday. Symptoms were frequent kernel panic 12's with interrupts disabled . -- John Baldwin -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message