From owner-freebsd-questions Thu Jan 4 11:29:12 2001 From owner-freebsd-questions@FreeBSD.ORG Thu Jan 4 11:29:09 2001 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from meow.osd.bsdi.com (meow.osd.bsdi.com [204.216.28.88]) by hub.freebsd.org (Postfix) with ESMTP id 878A037B400 for ; Thu, 4 Jan 2001 11:29:09 -0800 (PST) Received: from laptop.baldwin.cx (john@jhb-laptop.osd.bsdi.com [204.216.28.241]) by meow.osd.bsdi.com (8.11.1/8.9.3) with ESMTP id f04JSDG60606; Thu, 4 Jan 2001 11:28:13 -0800 (PST) (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: <20010104191237.A580@wells.org.uk> Date: Thu, 04 Jan 2001 11:29:10 -0800 (PST) From: John Baldwin To: Michael Wells Subject: RE: SMP kernel overheats Cc: freebsd-questions@FreeBSD.org Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On 04-Jan-01 Michael Wells wrote: > Hi all, > > Thanks for the feedback on the 'hot' SMP kernel. Although the machine in > question has been heavily loaded in the past (as someone pointed out, > why else have an SMP machine?), I've never seen these processors reach > 70 celcius before. Under Linux, I would expect them to get to around 50 > degrees during busy periods, but don't run distributed net clients, etc. > That would get things a little hotter. I've invested in coolers and feel > that the machine has adequate, if not exactly excellent cooling. There > are one or two constraints on this which I cannot control. > > With that in mind, is it fair to ask for support of SMP systems to > change at some point to include the instructions to run the chips > cooler? I note the comment on temperature stability, but I think my > mileage is varying. Well, I have a patch you can try on -current: http://www.FreeBSD.org/~jhb/patches/smp_hlt.patch. > Regards > Michael -- 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-questions" in the body of the message