copying /sys causes fans to spin up

[Olaf Hering]

 On Tue, Feb 28, Benjamin Herrenschmidt wrote:

> 
> > windfarm: failed to attach ds1775 hd-temp to i2c
> > windfarm: failed to attach MAX6690 sensor
> > 
> > 
> > Maybe thats harmless, but I have seen it on a few different G5.
> 
> Hrm... the windfarm sensors are useless on those old G5s that use
> therm_pm72... though I wouldn't have expected them to cause harm.

Its compiled into the kernel, too much trouble if they are not loaded by
accident.