Comment # 3 on bug 1185532 from Oliver Neukum

(In reply to Ulrich Windl from comment #2)
> (In reply to Takashi Iwai from comment #1)
> > It's just the information message.  What's the exact bug?
> 
> My guess is that Link Power management (LPM) does not work, thus consuming

It will not work for the root hub.

> more energy than necessary,

Well, it is supported only for the controllers that are known good. Yes, that
means more power is drawn.

> or not providing enough energy.

No, this will not happen.

> Unfortunately I don't have the hardware tools to diagnose.