Date: Fri, 05 Jan 2001 17:31:26 +1030 From: marcd@internode.on.net To: Jason Halbert <res02jw5@gte.net>, Jeremiah Gowdy <jgowdy@home.com>, Michael Wells <mwells@zeus.com>, freebsd-questions@FreeBSD.ORG Subject: Re: SMP kernel overheats Message-ID: <01JYK1FG3BXW00877L@internode.on.net>
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Hi Just to add my 2bits worth. Is it the system bios that's shutdown down the system or have you got a program/daemon such as heat or healthd running on there that is causing the shutdown - or it could be a compatability problem better the FreeBSD and the built in system monitoring? Mar > In continuing saga of FreeBSD questions "Jeremiah Gowdy" wrote: > > > > I've been going through a kernel configuration for my SMP machine. > It's > > > a Gigabyte 6BXD with 2xPIII 550MHz processors. I can provide other > > > information if necessary about the hardware, but it's nothing too > exotic. > > > > > > The problem I'm having is that although the kernel seems to work > fine, > > > and tools like "top" report that the CPUs are idleing, after a few > minutes > > > the system starts getting really warm, and eventually the BIOS > thermal > > > alarms are triggered at 65 degrees C. As I say, despite this it is > all > > > fine in operation, and processes on both CPUs are ok. It is > clearly > > > running way too hot though. > > > > > > What I was wondering was is this a known problem? Can it be fixed? > Any > > > other ideas? Thanks, your help is much appreciated. > > > > I run an IBM Netfinity 3500, Dual Pentium III 500, which has only > heatsinks > > on the CPUs and relies on the case fan to suck enough air to keep > the CPUs > > cool. I run the FreeBSD 4.2 SMP kernel 24/7 on this production > server and I > > have no issues. Sorry. > > Is it just me or ... are we looking in the wrong place? > > Obviously this isn't a kernel issue. If it were lots more people, > including me, would be having issues. I think the problem here lies > with the externals (fans, case, room temp. etc.). > > I do agree with FreeBSD not halting a processor. I've seen data and > experienced it myself that when temps are regulated properly.. things > in general last longer. This phenomina is similar to bending a pieve > of metal over and over or turning on and off a light bulb. > > The kernel isn't the issue. It's the box itself. > > --- > Jason > jason@jason-n3xt.org > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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