Re: Monitoring temperature with acpi (sysctls)

On Friday 28 July 2006 10:51, Spartak Radchenko wrote:
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.

Well, that means your BIOS has a different sort of issue. It probably has a
bogus _TMP method. That's still going to be your BIOS' fault. The
temperature value is defined in the standard to be in units of .1 K. So a
raw value of 160 would give 16.0 K, or the value you are seeing.

--
John Baldwin
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