On Sun, 30 Apr 2006, Henrik Johansson wrote:

> Now I found that lsusb doesn't really hang, it blocks until the USB address 
> assignment gives up.

That's what it's supposed to do.  Obviously lsusb can't interrogate a 
device while its address is being assigned.

> > I have no idea why the device should work when it is behind a hub but not
> > when it is plugged directly into the computer.  Can you try plugging the
> > device into a different computer?
> Already tried that, and then it works perfectly. So it's only when I connect 
> it directly to the USB port of the EPIA SP13000 this happens.

This sounds like a low-level hardware incompatibility.  Maybe the timing
of the clock signals in the VIA host controller is slightly out of spec,
or something along those lines.

Alan Stern



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