Systems running hot?

Alexandre "Sunny" Kovalenko gaijin.k at
Tue Dec 22 12:48:53 UTC 2009

On Tue, 2009-12-22 at 10:32 +1030, Daniel O'Connor wrote:
> On Mon, 21 Dec 2009, Dag-Erling Smørgrav wrote:
> > > the actual 68,5C is with KDE up, but nearly idle system; what does
> > > hw.acpi.thermal.tz0._CRT: 107,0C mean?
> >
> > These are motherboard temperatures, not CPU temperatures.
> Really? I would expect tz0 to be CPU temperature (via ACPI but still 
> probably using the same diode as coretemp would read).
> That said I don't recall any system I have ever run FreeBSD one having 
> more than tz0 :)
On ThinkPad X60 (and AFAICR X60s) CPU thermal zone is tz1. tz0 is some
kind of sham, where _CRT of 0x7F Celsius will be returned by _TMP method
on some condition to facilitate system's emergency shutdown.

I am sure, I have seen systems with tz2 around acpi@ mailing list.

Just my 2c.

Alexandre Kovalenko (Олександр Коваленко)

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