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Re: Bug#501137: ITP: acerfand -- Control the fan of the Acer Aspire One



Matthew Garrett dijo [Sun, Oct 05, 2008 at 02:35:11AM +0100]:
> Gunnar Wolf <gwolf@debian.org> wrote:
> 
> >  Keeps the fan from spinning constantly in the noisy Acer Aspire
> >  One. Provides also tools to query several machine-specific EC
> >  registers
> 
> Be careful with this - it can't perform the locking used by the kernel 
> and firmware for EC access, so there's a risk of racing and trashing the 
> contents of other registers. This should really be implemented as a 
> kernel driver using either the hwmon or thermal interfaces and a generic 
> fan control daemon implemented on top of that.

Thanks for the information - Given this, I retract my intention to
package. And given that the package is already packaged and uploaded:
FTP-masters, please ignore/delete it.

Matthew, and out of personal curiosity (as I will probably continue to
use this, at least until something better comes along): What does the
danger amount to? Say, a random lock-up? Or will it lead to hardware
malfunction (or shorter lifespan)? I am currently setting the
fan-on threshold at 70C, the fan-off at 60C (the default settings for
acerfand) 

Thanks!

-- 
Gunnar Wolf - gwolf@gwolf.org - (+52-55)5623-0154 / 1451-2244
PGP key 1024D/8BB527AF 2001-10-23
Fingerprint: 0C79 D2D1 2C4E 9CE4 5973  F800 D80E F35A 8BB5 27AF

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