Missing: hw.acpi.thermal.tz%d._HOT
Ian Smith
smithi at nimnet.asn.au
Tue Jun 10 15:33:37 UTC 2014
On Tue, 10 Jun 2014 09:54:14 -0500, Eric Neblock wrote:
> Hello all,
> I'm trying to figure out what is the _HOT temperature on my particular
> processor. I'm running FreeBSD 10 GENERIC on a Sunfire X2200.
>
> The processor is an Dual Core AMD Opteron 2218.
>
> In the GENERIC kernel, acpi is built in; so, kldload acpi fails. I've
> also loaded the amdtemp module at boot time to figure out what the
> current temp of the processor is.
>
> With all of that, when performing `sysctl -a` I never seem to be able to
> pull up the _HOT value.
>
> Are there any suggestions on how to be able to view it?
Many thermal zones seen, including some CPUs, don't specify any _HOT
value, just _PSV and _CRT, which should trigger passive cooling (eg
clock slowing or throttling) and emergency shutdown, respectively.
What says 'sysctl hw.acpi.thermal' ?
cheers, Ian
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