[pvrusb2] usb weakiness and streaming errors

[Ingo Flaschberger]

Hi

> By the way, none of this is going to help if the spurious error(s) happen 
> during a control transfer - the results in that case will be unpredictable, 
> ranging from subtle to catastrophic.  In the end it's probably still best to 
> find better a better USB controller :-(

Sounds good.

I have fixed my usb problems with an powered hub and a lot of capacitors. 
The PC power supply was too weak (micro itx stuff).

Thanks & bye,
 	Ingo