From owner-freebsd-stable Wed Jan 10 17: 0:44 2001 Delivered-To: freebsd-stable@freebsd.org Received: from scribe.pobox.com (scribe.pobox.com [208.210.124.35]) by hub.freebsd.org (Postfix) with ESMTP id 4F22A37B400 for ; Wed, 10 Jan 2001 17:00:26 -0800 (PST) Received: from daemon (unknown [207.8.144.30]) by scribe.pobox.com (Postfix) with SMTP id 1B46632597; Wed, 10 Jan 2001 20:00:25 -0500 (EST) From: "Jamil Taylor" To: "David Malone" , "Nick Sayer" Cc: Subject: RE: SMP on a Dell Precision 220? Date: Wed, 10 Jan 2001 20:00:24 -0500 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0) In-Reply-To: <20010110221053.A33238@walton.maths.tcd.ie> X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 Importance: Normal Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG For what it's worth, I'm running 4.2 Stable on an SMP Precision 420. My Dell does not include CPU fans, and I have not run into problems. Did you try Dell's diagnostic utility from the bootable CD-ROM at all? -----Original Message----- From: owner-freebsd-stable@FreeBSD.ORG [mailto:owner-freebsd-stable@FreeBSD.ORG]On Behalf Of David Malone Sent: Wednesday, January 10, 2001 5:11 PM To: Nick Sayer Cc: freebsd-stable@FreeBSD.ORG Subject: Re: SMP on a Dell Precision 220? 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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message