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From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
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Cc: FreeBSD Mailing List <freebsd-hackers@freebsd.org>
Subject: Re: diagonising a overheating problem
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diagonising? means diagnosing agonising? good word :)


> that for some reason the FreeBSD CPU/bus speed controls and such are
> not working based on the following item I found in my dmesg's:
>
> acpi_tz0: _CRT value is absurd, ignored (-273.2C)
>
seems like superfluid helium produced in that temperature fills whole 
machine and turns some insulators to superconductors resulting in faults 
;)


Or actually - thermometer chip on your motherboard failed, and because of 
it no fans turn on because temperature is "low".