Re: [patch] enhance powerd(8) to handle max temperature
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Hajimu UMEMOTO wrote:
> Hi,
>=20
>>>>>> On Tue, 31 Jul 2007 07:54:20 +0200
>>>>>> Pietro Cerutti <gahr@gahr.ch> said:
>=20
> gahr> Thanks for your help!
>=20
> I cannot see _TC1, _TC2 nor _TSP in your `acpidump -dt' output.
> Further, there is no _PSV definition in anywhere, in the first place.
> It seems to me that your ACPI BIOS doesn't support passive cooling at
> all.
Yep that's what I suspected.
>=20
> gahr> hw.acpi.thermal.user_override: 1
> gahr> hw.acpi.thermal.tz0._PSV: 80.0C
>=20
> I suspect that you set hw.acpi.thermal.tz0._PSV manually.
Yes I did..
> Of cource, it is insufficient to make passive cooling work with your AC=
PI BIOS,
> and you need the definition of _TC1, _TC2 and _TSP as well.
> If you define apropreate definition of them, passive cooling will
> work. But, we don't provide overriding the values of them. Perhaps,
> modifying your ASL (`acpidump -dt' output) to add the definitions of
> _TC1, _TC2, _TSP and _PSV, and loading it from loader will make
> passive cooling work.
Do you have an example? I'm really far from being familiar with the ASL
code...
> Sincerely,
Thank you
>=20
> --
> Hajimu UMEMOTO @ Internet Mutual Aid Society Yokohama, Japan
> ume@mahoroba.org ume@{,jp.}FreeBSD.org
> http://www.imasy.org/~ume/
--=20
Pietro Cerutti
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http://gahr.ch/pgp
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