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Date:      Wed, 8 Jul 2015 20:12:40 -0700
From:      Justin Hibbits <jrh29@alumni.cwru.edu>
To:        Matthias Schojohann <matthias.schojohann@gmail.com>
Cc:        FreeBSD PowerPC ML <freebsd-ppc@freebsd.org>
Subject:   Re: CPU Temp Warnings
Message-ID:  <CAHSQbTArXwhUw7BVaVY5K97Jf6tZboKZSgTnHT-fPoeSY9ZnVQ@mail.gmail.com>
In-Reply-To: <CAAJuNqxQrPXaOfZo0yVMZvTeDwYzRVYXe8iMoFjCFk4O5E15nw@mail.gmail.com>
References:  <CAAJuNqxQrPXaOfZo0yVMZvTeDwYzRVYXe8iMoFjCFk4O5E15nw@mail.gmail.com>

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On Wed, Jul 8, 2015 at 7:13 AM, Matthias Schojohann
<matthias.schojohann@gmail.com> wrote:
> Hey all,
> i have a FreeBSD10.1-RELEASE on my iBook G4 1,41GHz and every once in a
> while i get an error on the terminal that says:
> WARNING: Current temperature (CPU BOTTOMSIDE: 255.0 C) exceeds critical
> temperature (80.0 C); count = 1
>
> sysctl dev.adt746x.0.sensors.cpu_bottomside.temp however gives me temps
> like 50.0 C so where does my system get the 255 from? Apart from the fact
> that i don't want to see my CPU on that temperature, it's pretty annoying
> when i have systat running on that machine.
>
> Cheers, Matt

Hi Matt,

255 is (char)-1 on PowerPC, so it indicates an error reading from the
device.  I'll take a look at it, and try to silence the error.  Could
you file a bug so it doesn't get lost?

- Justin



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