[ltp] Re: Critical Temperature Trip Points?

[David Abrahams]

on Mon Apr 28 2008, David Abrahams <dave-AT-boost-consulting.com> wrote:

> 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?

For what it's worth, the outside of the machine, including the battery,
doesn't seem to be any hotter than a very comfortable 42C.

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