Problem with CPU Temp.

Wael Nasreddine mla at nasreddine.com
Tue Feb 12 07:33:38 UTC 2008


Hello,

I'm having a problem with my server, I just installed FreeBSD 6.3 on
it, when I compile for a while, the PC shuts down complaining about
the temperature being high, I installed lmmon and I ran it with "lmmon
-i /dev/io" and I tried compiling, I got the warning at 45C but look
what's in sysctl.

---- CUT
$ sysctl hw.acpi.thermal
cpi.thermal.min_runtime: 0
hw.acpi.thermal.polling_rate: 10
hw.acpi.thermal.user_override: 0
hw.acpi.thermal.tz0.temperature: 45.0C
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: 80.0C
hw.acpi.thermal.tz0._HOT: -1
hw.acpi.thermal.tz0._CRT: 80.0C
hw.acpi.thermal.tz0._ACx: 80.0C -1 -1 -1 -1 -1 -1 -1 -1 -1
---- CUT

When I got the warning the "hw.acpi.thermal.tz0.temperature" was 72C
so I think lmmon is not reporting CPU temperature, anyway I had Gentoo
before FreeBSD and I used to compile for days without problems, why
this is happening with FreeBSD whay had changed ??

Thank you.

-- 
Wael Nasreddine
http://wael.nasreddine.com
PGP: 1024D/C8DD18A2 06F6 1622 4BC8 4CEB D724  DE12 5565 3945 C8DD 18A2

.: An infinite number of monkeys typing into GNU emacs,
   would never make a good program. (L. Torvalds 1995) :.
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