Re: Strange entries in /proc/acpi/thermal_zone for Thinkpad X60

Jeremy Fitzhardinge
2006-10-13T04:25:48Z

Robert Hancock wrote:
> I would expect they wouldn't, otherwise there would be no reason for
> the BIOS people to set up two thermal zones..

Ah, OK. I misunderstood what thermal zones are.

> How do you know they are one for each core? ACPI thermal zones can be
> anywhere in the machine that needs OS-controlled cooling. Could be the
> CPU heatsink, voltage regulator, or someplace else.

Right, bad assumption on my part. Is there any way to find out what
they might correspond to? /proc/acpi/ibm/thermal has a bunch of
temperature-like numbers in them; I guess there should be some
correlation between those and the thermal zones.

> I think we need more information to decide what is going on here..
> what temperatures are registering in the thermal zones when the CPU
> clock is being limited?

I'll gather a bit more info.

J