ACPI testing/debugging guide?

[Kevin Oberman]

> Date: Tue, 17 Jun 2003 18:40:26 -0400
> From: Barney Wolff <barney at databus.com>
> Sender: owner-freebsd-current at freebsd.org
> 
> On Tue, Jun 17, 2003 at 04:29:59PM -0600, M. Warner Losh wrote:
> > : 
> > : ACPI records temperature in tenths of a Kelvin, if you can believe it :)
> > 
> > I don't believe that. 369.2K is 96.2C, which is over 200F.  That seems
> > to hot to me.  My laptop says 2982, which is either about 30C or
> > 15.2C.  Given how warm it is on my leg at the moment, I'd guess it is
> > centi-Celcius.  Maybe converted internally?
> 
> Reading the source, it really is tenths Kelvin.  Is the 3692 the actual
> temp, or the CRT, which I assume is the critical temp?  In the output
> of sysctl hw.acpi.thermal.tz0 there are a bunch of values, only one of
> which is the current temp.  The rest are thresholds - AC appears to mean
> active cooling (aka fan), PSV seems to mean passive.

I am also seeing the same thing on my T30 when I run ACPI. It's the
temperature, not any of the others. It was reading 3186 and that seems
about right for centi-degrees C. (31.86C) Kelvin simply does not
compute.
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at es.net			Phone: +1 510 486-8634