Re: ACPI Thermal Shutdown on Boot

[Nate Lawson <nate-Y6VGUYTwhu0@public.gmane.org>]

On Wed, 11 Feb 2004, Karol Kozimor wrote:
> Thus wrote Nate Lawson:
> > I think he just meant 57C.  In any case, we decided to set the _TMP poll
> > interval to 10 seconds.  After 2 readings above _CRT/_HOT, userland
> > receives an event and a message is logged saying the temperature is too
> > high.  On the 3rd one, we shutdown/power off the system.  I think Linux
>
> If I understand you correctly, 30 seconds is certainly enough time to burn
> a CPU when the fan has failed, isn't it?

Our old default poll interval was 30 seconds so this doesn't change
anything.  I know DeadRat takes more than 30 seconds from "shutdown -h
now" to power off.  All modern CPUs have a thermal shutdown builtin.
Think of _CRT as more of "system temp too high, shut down as soon as you
can."

-Nate


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