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Date:      Fri, 28 Jul 2006 18:51:29 +0400
From:      Spartak Radchenko <spartak@aif.ru>
Cc:        freebsd-stable@freebsd.org, John Baldwin <jhb@freebsd.org>
Subject:   Re: Monitoring temperature with acpi (sysctls)
Message-ID:  <44CA2471.5080406@aif.ru>
In-Reply-To: <200607280948.51239.jhb@freebsd.org>
References:  <44C63DFD.5040401@rogers.com>	<c21e92e20607261917q51cbd5f4r32f4b8ee3a5469eb@mail.gmail.com>	<44C85C4F.7030902@rogers.com> <200607280948.51239.jhb@freebsd.org>

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John Baldwin ?????:
> If ACPI doesn't include the sysctl's that's due to your BIOS, not FreeBSD.
> You can verify by doing an acpidump and seeing if you have any thermal
> zones listed in your ASL.
What if there is a thermal zone, but sysctl returns meaningless numbers?

router# sysctl hw.acpi.thermal
hw.acpi.thermal.min_runtime: 0
hw.acpi.thermal.polling_rate: 10
hw.acpi.thermal.tz0.temperature: -257.-1C
hw.acpi.thermal.tz0.active: -1
hw.acpi.thermal.tz0.passive_cooling: 1
hw.acpi.thermal.tz0.thermal_flags: 0
hw.acpi.thermal.tz0._PSV: 50.0C
hw.acpi.thermal.tz0._HOT: -1
hw.acpi.thermal.tz0._CRT: 60.0C
hw.acpi.thermal.tz0._ACx: 50.0C -1 -1 -1 -1 -1 -1 -1 -1 -1

If I understand it correctly, the current temperature is -257C, or 16 
degrees from absolute zero.
Motherboard is Via MS8000.

--
Spartak Radchenko SVR1-RIPE



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