How to disable acpi thermal?

Daniel Eischen eischen at
Mon Jan 14 21:41:43 PST 2008

On Mon, 14 Jan 2008, Alexandre \Sunny\ Kovalenko wrote:

> On Mon, 2008-01-14 at 21:56 -0500, Daniel Eischen wrote:
>> Thermal zone 0 skyrockets past 110C in a couple of minutes
>> when trying to build a kernel.  All the other zones stay
>> relatively static.  I suspect something is wrong somewhere
>> because this machine is very lightly loaded and has never
>> had a problem until now.  I just upgraded it from 4.x to
>> 7.0.
> It need not to be bogus -- if I turn off fan on my ThinkPad it will
> overheat and shut itself down within couple of minutes of buildworld,
> starting from the relative cool state. From the look of the stuff below
> your fan should kick in no later then 10 seconds after tz0 reached 77C.
> Do you hear it running before shutdown? If yes, maybe lowering threshold
> in AC0 down from 77C will help. If not -- you will need to figure out
> who is supposed to turn on the fan. You can dump your ASL (instructions
> in the handbook) and post it someplace accessible -- I will take a look
> and maybe spot something interesting, but, being far from the expert in
> the field, I do not promise too much.

I can try that.  I don't hear any fans, but I'll check again tomorrow.

> Do any vendor specific drivers (e.g. acpi_ibm, acpi_asus) match your
> laptop?

It ain't a laptop.  It's a rackmount server, Intel STL2 Tupelo
server board in a 2U chassis.  Temperature in the rack is probably
about 23C (73F).


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