[wellylug] cpu temperature reported incorrectly

Gordon Paynter lists at paynter.info
Fri Oct 29 11:47:41 NZDT 2004


On Thu, 28 Oct 2004 15:35, Nigel Roberts wrote:

> I think the Athlon XP series have a sensor on the chip itself, which
> is used if the board supports it. Some boards have a sensor directly
> under the CPU. Readings from both can be reported as the "CPU temp".

Does anyone know how I monitor the CPU in Linux?  I think I've seen it flash 
by at boot time.  

I have an Athlon XP, and I have overheating problems: I have a SFF Shuttle 
(SK41G) I brought back from the states, which uses a funny heat-extractor 
pipe, but which overheats if I leave the case on and run with a full CPU load 
for a few minutes. (My solution has been to leave the case off, I believe the 
correct solution is to remove the heat sink, reapply the thermal gell, and 
re-seat the heat sink.)  BTW, I have also seen "large" swings in CPU temp (in 
the order of 20 degrees Celsius) reported in the BIOS at boot time.

Anyway, the question is: what do I need to do to access the CPU temp in Linux?  
I think I have lm-sensors installed (Debian box).  Are there kernel options I 
need?  Is there a non-root-user application for looking up the temperature?

TIA,
Gordon





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