[Bug 461184] Re: Minimum fan speed in applesmc is too low

Ouilsen Michel.Schanen at googlemail.com
Wed Mar 31 17:19:49 UTC 2010


My laptop is Macbook 2.1.

I had openSUSE installed and I had never problems with the temperature.

With Ubuntu 9.10 and 10.04 I suddenly had random freezes and I couldn't
figure out why for several weeks. Finally I came across several forum
threads and wiki entries about temperature problems which finally made
perfectly sense.

I set fan1_min to 4000 and all the problems went away.

Due to the randomness of the freezes I guess that a lot people do not
know about the cause of their problem.

Alex is right about the temperature limits. Therefore the freeze often
happens after a continued limited CPU load (watching a video) getting
the laptop heated up. If you then run a program at full load the
temperature jumps behond the upper bound and the system freezes.

I hope this bug is opened again, because IMO, this leads to shorter
lifespan of your hardware.

-- 
Minimum fan speed in applesmc is too low
https://bugs.launchpad.net/bugs/461184
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