Re: [PATCH] Albook fan driver
Hi,
On Sat, Jan 24, 2004 at 02:07:25AM +1100, Benjamin Herrenschmidt wrote:
>
> >
> > Interesting enough, when I have my endless loops run longer the machine
> > crashes. One time it crashed after about 10 minutes, one time after half
> > an hour of full fan speed. the first time the heating rate was quite
> > fast. The temperature reached 60°C and stayed there till the crash.
> > The second time the heating was slower due to an open window. But here
> > also the temperature never exceeded 60°C, whereas with the second patch
> > the temperature went to 63°C and more for a short while and nothing
> > happened.
>
> Could also be an unrelated kernel crash... if the kernel locks up for
> some reason, there are great chances that the PMU will shut you down.
>
> Does the problem happen at all without the patch ?
I never used the unpatched module. Right now I am running two endless
loops without the module loaded for almost an hour. The fan started
working at full speed some time and no crash until now.
I never had a crash on this PowerBook using kernel 2.4 or 2.6 exept when
I tested two patches of this series: The one now and the one with with
the limit at 50°C.
BTW, Marco how did you get the cpu temperure underr MacOSX. This sounds
like a stupid question, I know, but since I use it that rarely...
Best regards,
Wolfi
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