Systems running hot?

Dag-Erling Smørgrav des at des.no
Mon Dec 21 13:08:13 UTC 2009


Matthias Apitz <guru at unixarea.de> writes:
> I'm running a Dell M4400 with dual-core CPU and an older 8-CURRENT:
> $ uname -a
> FreeBSD current.Sisis.de 8.0-CURRENT FreeBSD 8.0-CURRENT #1: Thu May 28
> 14:40:45 CEST 2009     guru at current:/usr/obj/usr/src/sys/GENERIC  i386
> $ sysctl -a | fgrep thermal
> hw.acpi.thermal.min_runtime: 0
> hw.acpi.thermal.polling_rate: 10
> hw.acpi.thermal.user_override: 0
> hw.acpi.thermal.tz0.temperature: 68,5C
> hw.acpi.thermal.tz0.active: -1
> hw.acpi.thermal.tz0.passive_cooling: 0
> hw.acpi.thermal.tz0.thermal_flags: 0
> hw.acpi.thermal.tz0._PSV: -1
> hw.acpi.thermal.tz0._HOT: -1
> hw.acpi.thermal.tz0._CRT: 107,0C
> hw.acpi.thermal.tz0._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
> hw.acpi.thermal.tz0._TC1: -1
> hw.acpi.thermal.tz0._TC2: -1
> hw.acpi.thermal.tz0._TSP: -1
>
> 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.

CRT means "critical", i.e. the point at which the system will either
start to malfunction or shut down to protect itself.

It seems very high; if the inside of the case is really that hot, the
CPU has nowhere to evacuate heat.

DES
-- 
Dag-Erling Smørgrav - des at des.no


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