[ltp] Re: Critical Temperature Trip Points?

[David Abrahams]

on Mon Apr 28 2008, Jose Celestino <japc-AT-co.sapo.pt> wrote:

> Words by David Abrahams [Mon, Apr 28, 2008 at 10:23:23AM -0400]:
>> 
>> Hi,
>> 
>> Last week I overheated (again) while compiling GCC with -j4 and so I
>> decided to look at the problem again.  This had appeared in my syslog:
>> 
>> Apr 24 13:42:43 mcbain kernel: [12867.111092] ACPI: Critical trip point
>> Apr 24 13:42:43 mcbain kernel: [12867.111100] Critical temperature reached (100 C), shutting down.
>> Apr 24 13:42:43 mcbain kernel: [12867.160581] Critical temperature reached (95 C), shutting down.
>> 
>  ...
>> 3. Is the BAT0 temperature reasonable?  All the fan control scripts I
>>    can find kick the fan up to maximum when BAT0 reaches 50C.  Perhaps
>>    not surprisingly to you, IBM-ACPI seems to have the same idea about
>>    the meaning of my sensors as t60-fancontrold does.  It surprised me a
>>    little because I assumed t60-fancontrold was mis-labelling BAT0.
>> 
>
> That seems a lot to BATn. Even when charging, when it gets to its high, it
> never passes 45C on my T61p and I find that a lot already.

So what do you suppose that means?  Could it really be getting that hot
or is it likely a misreading?

Is there a particular place to look for troubleshooting (e.g. a vent to
clean?)

-- 
Dave Abrahams
Boost Consulting
http://boost-consulting.com