Re: Kernel module 'thermal'

On Monday 09 April 2007, Andy Green wrote:
Anne Wilson wrote:
It's not worth updating the bios, I think. I'll be upgrading the whole
box in a few weeks. Funny, or not so funny, in that I left Asus boards
after several years of using them, because I couldn't get lm-sensors to
work with the last Asus board I bought. I thought Abit would be
reliable.

Sounds like it is your BIOS as you say. But one note about lm_sensors,
it gets raw uncalibrated measurements from whatever temperature sensors
you have and proceeds to apply one of a variety of ugly fudge factors to
try to make some of them which are decidedly nonlinear over temperature
approximate linearity. But there isn't much to calibrate your fudge
factor to any kind of reality.

On an Asus board I used to have, I remember I had to swap the sensor readings
around.

It seems a reasonable bet that if your BIOS exposes any opinion about
the temperature of its sensors, that is probably more reliable in
general than lm_sensors.

Unfortunately, you have to reboot to get the info, though. Actually, as far
as I can tell, on my boxes where it works, the readings are close to the bios
reports. Good enough for an indication, I think.

Anne


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