[ltp] Re: Getting ipw3945 kill switch to bring eth1 down?

[Stefan Monnier]

>> > That said, I usually down the interfaces and remove the device driver
>> > modules for stuff I am not using when on battery, because the kernel powers
>> > down or deactivates a lot of stuff when we do that, and that saves a
>> > noticeable ammount of power.
>> 
>> What it's worth: my T60's ipw3945 chip seems to consume 0.7W *more* when
>> the module is unloaded than when the interface is up and running in
>> power_save mode 7.

> Interesting data point.  Maybe the card is being left on, running a tight
> loop (bad).

> I will re-check that with the T43 and the ipw2915 card.

It seems specific to the ipw3945 but someone else mentioned a similar
behavior for some other machine (an X60 maybe?).


        Stefan