Date: Wed, 29 Dec 1999 15:45:45 -0800 From: Kent Stewart <kstewart@3-cities.com> To: David Kelly <dkelly@hiwaay.net> Cc: Peter Wemm <peter@netplex.com.au>, tsikora@powerusersbbs.com, "freebsd-stable@FreeBSD.ORG" <freebsd-stable@FreeBSD.ORG>, "freebsd-hackers@FreeBSD.ORG" <freebsd-hackers@FreeBSD.ORG> Subject: Re: Temperature Message-ID: <386A9D29.C7F0390D@3-cities.com> References: <199912292320.RAA38266@nospam.hiwaay.net>
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David Kelly wrote: > > Peter Wemm writes: > > Ted Sikora wrote: > > > > > During the night periodically my temp warning has been going off. > > > I have it set to 118F. This happens only under FreeBSD. Linux continues > > > to run cool at the old temperatures. Apparantly some code change has > > > caused this. Does anyone know exactly where I should look? > > > > The main difference is that Linux halts the cpu in the idle loop, we don't. > > As a result the cpu is in a tight spin waiting for a process to become > > scheduleable. I have some patches half-done that I've been working on for > > 4.0 that should probably be able to be adapted to the 3.x series. > > I'll let others debate whether or not FreeBSD halts the CPU when idle > or not, or whether this has changed recently. > > OTOH Ted has a problem that is being ignored: that his CPU/Heatsink/Fan > combination is apparently not up to a 100% duty cycle. DOS would cook > it. As would most games. Or several "make buildworlds" in a row. Antec and Startech have some dual fans for P-II's. The old P-II style is hard to find but the K-7 Athalon apparently uses the same style of fan. One of the vendors has a monster fan for a P-III. I run setiathome in the background on all of my computers, which keeps the systems at 100% all of the time. I had a new 250W PS go out in three days. The fans that come on P-II OEM's is not that great. It also sounds like he isn't getting enough outside air. You can't cool if the inside air is hot. Kent > > -- > David Kelly N4HHE, dkelly@hiwaay.net > ===================================================================== > The human mind ordinarily operates at only ten percent of its > capacity -- the rest is overhead for the operating system. > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message -- Kent Stewart Richland, WA mailto:kstewart@3-cities.com http://www.3-cities.com/~kstewart/index.html FreeBSD News http://daily.daemonnews.org/ SETI(Search for Extraterrestrial Intelligence) @ HOME http://setiathome.ssl.berkeley.edu/ Hunting Archibald Stewart, b 1802 in Ballymena, Antrim Co., NIR http://www.3-cities.com/~kstewart/genealogy/archibald_stewart.html To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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