From owner-freebsd-stable Wed Jan 10 14:11:12 2001 Delivered-To: freebsd-stable@freebsd.org Received: from salmon.maths.tcd.ie (salmon.maths.tcd.ie [134.226.81.11]) by hub.freebsd.org (Postfix) with SMTP id F035137B69D for ; Wed, 10 Jan 2001 14:10:54 -0800 (PST) Received: from walton.maths.tcd.ie by salmon.maths.tcd.ie with SMTP id ; 10 Jan 2001 22:10:54 +0000 (GMT) Date: Wed, 10 Jan 2001 22:10:53 +0000 From: David Malone To: Nick Sayer Cc: freebsd-stable@freebsd.org Subject: Re: SMP on a Dell Precision 220? Message-ID: <20010110221053.A33238@walton.maths.tcd.ie> References: <200101101938.f0AJcPL58553@medusa.kfu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <200101101938.f0AJcPL58553@medusa.kfu.com>; from nsayer@quack.kfu.com on Wed, Jan 10, 2001 at 11:38:25AM -0800 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Wed, Jan 10, 2001 at 11:38:25AM -0800, Nick Sayer wrote: > The symptom is that if I turn on the 2nd cpu in the BIOS, I can't get through > a buildworld without a symptom indicative of memory corruption (cc1 SEGVs > that happen in different spots, etc). We had some problems like this and it turned out to be cruddy CPU fans. The CPUs run hotter in SMP mode, I think because it doesn't use the halt instruction then. In the end we bolted the fans on more tightly and the problem stopped. David. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message