Date: Thu, 30 Dec 1999 03:58:29 -0500 (EST) From: Will Andrews <andrews@TECHNOLOGIST.COM> To: tsikora@powerusersbbs.com Cc: "freebsd-hackers@FreeBSD.ORG" <freebsd-hackers@FreeBSD.ORG>, "freebsd-stable@FreeBSD.ORG" <freebsd-stable@FreeBSD.ORG> Subject: RE: Temperature Message-ID: <XFMail.991230035829.andrews@TECHNOLOGIST.COM> In-Reply-To: <386A4CEC.EB948EE8@home.com>
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[ not subscribed to -hackers, but -stable ]
On 29-Dec-99 Ted Sikora wrote:
> Here's a strange problem. I run Linux stable/development kernels
> and FreeBSD-3-STABLE on a SMP dual-boot workstation. The machines
> temperatures have always been in this range with either system:
>
> 87F CPU #0
> 87F CPU #1
> 95F Case Temp
>
> Sometime last week or early this week the temperature under FreeBSD only
> has changed to:
>
> 113F CPU #0
> 113F CPU #1
> 109F Case Temp
> This is right after boot and varies 3-4 Degrees + while running.
>
> 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?
I would first confirm this kind of anomaly by loading that overheating machine
with Linux and then seeing where the temperatures go. I'm not convinced you've
taken into account all environment variables (and I don't mean shell variables).
My system under FreeBSD tends to stay around 32C, or a little under 90F. I run
FreeBSD 3.4-STABLE here, with adequate fan power and ventilation. The box is a
25" full tower case loaded with scsi stuff, and so on..
Sometimes (after one day's power-off) it starts up with a minimum temperature
of 19C (66F). I've never seen it go above 35C (95F), so I'm a little curious
about your problem. I doubt it has anything to do with the OS.
[ Note: These temperatures are obtained from the intpm device via wmhm. I had
to calculate the F's by the formula F = (C)(9/5) + 32. ]
I admit I haven't seen this machine above 60 days uptime in a long while..
--
Will Andrews <andrews@technologist.com>
GCS/E/S @d- s+:+>+:- a--->+++ C++ UB++++ P+ L- E--- W+++ !N !o ?K w---
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G++>+++ e->++++ h! r-->+++ y?
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