Re: [lm-sensors] [PATCH 0/2] hwmon: Update coretemp to current Intelprocessors

[Carsten Emde]

Dmitry,

> > Here comes the current version of the coretemp patches. Huaxu did the
> > initial work; Jean suggested to submit them directly to Andrew.
> >
> > I made some style changes as advised by checkpatch.
> >
> > The patches have been tested successfully on Core 2 Duo and Quad, and on
> > Nehalem and Nehalem/Westmere where temperature readings were plausible and
> > changed with load as expected. When tested on an Atom processor (N270), the
> > temperature values were identical to previous versions of the coretemp
> > module and also changed with load. However, the readings should be higher
> > by 10 to 15C as compared to the outside temperature of the processor.
> > Huaxu, could you check? I would guess TjMax to be 105 instead of 90C in these
> > processors.
> I apologize, if I ask a stupid question, but are you saying that TjMax in
> coretemp.c should be set to higher value than Tcase-max value specified in
> Intel documents?
Hmm, no. I am saying that I would like the reading to be correct. I have 
measured the outside temperature of the case with an infrared 
thermometer [1] and found it to be higher than the readings returned by 
the coretemp module. In all other CPUs I have, the coretemp readings are 
higher than the case temperature.

	Carsten.


[1] http://www.osadl.org/uploads/media/IPCworld-2008-4.pdf
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