[ltp] Re: X60 - (bad) experience, others?

[Stefan Monnier]

>> I basically found the guilty: uhci_hcd!
>> The strange thing is that auto-suspend is enabled (and also on all
>> devices) and that I did not have to remove it for getting 9.5W with
>> 2.6.22. So something from 2.6.22 -> 2.6.24 changed in uhci_hcd and the
>> change was not good, i.e. causing the CPU not entering C3 in 70-80%.
>> Again, this was not necessary with 2.6.22...

> IIRC auto-suspend for USB was disabled per default in 2.6.23 because it
> broke too many devices.

Ahhh.... is that what happens?  How do I turn it back on?


        Stefan