On Sat, 26 Jun 2004, Tommy Faasen wrote:

> > Now that's strange.  The failing message is the Set-Address.  (You can
> > tell because it has a Setup stage and a Status stage but no Data stage.)  
> > This means that the Get-Descriptor message sent by
> > usb_get_descriptor_broken() succeeded!  For some reason this device just
> > doesn't like to respond to those Set-Address messages.  Maybe it is unable 
> > to use certain addresses? 
> 
> 
> That seems unlikely as other uhci people have reported no problems and
> on my other system everything seems to be ok as well.
> I think it's a combination of the VIA kt133a chipset and this device.

That could well be the case.  Although you would think that if the VIA 
controller was sending the proper signals over the bus then the device 
would respond correctly.  This is one of those cases where it helps to 
use a bus analyzer.

Alan Stern



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