[powerstation-owners] USB 2.0

[Adrian Reber]

On Mon, Nov 24, 2008 at 07:56:00PM -0800, Greg KH wrote:
> > > > Please provide the make and model of any/all USB 2.0 cards you have enabled 
> > > > with a PowerStation. We are compiling a list and testing all units in-house.
> > > 
> > > Why should this matter?  Any PCI device should "just work" properly.
> > > It's up to the operating system to handle this, why would the firmware
> > > care what type of PCI device is plugged into the system?
> > > 
> > > What is the real problem here?
> > 
> > It never gets to the OS because the firmware explodes.
> 
> But again, why would the firmware care what type of PCI device is
> attached?  It just needs to tell the OS that a PCI device is attached,
> and here's the resources assigned to it (well, it needs to give the OS a
> way to get the resources assigned to it, in some way.)
> 
> So why would a USB controller be any different from any other type of
> PCI device?  Should we start plugging in all PCI devices that we own to
> see what works and doesn't?

Almost every PCI device in the 8x slots will trigger the bug in the
firmware. I had a few Infiniband cards I used for testing. They just
worked. But it is not a problem of just USB cards.

		Adrian