Am Donnerstag, 12. Dezember 2002 15:08 schrieb Ilya Lifshits:
> >You should really find out what exactly causes your problem.
> >If it's indeed an ioctl, it's your distribution's or your fault.
> >If it's something else it may be the kernel's fault.
>
> It's devio ioctl i can see output in /var/log/messages from relevant part
> of proc_control, but i dig a little bit more and found that devio
> performing an absolutely legal operation - get descriptor, i printed the
> setup packet that conflict with my.
> should work without any problem even i hold the device interface.
> So problem exist in any multi interface device.
> Situation :
> 1 interface probed and performing long operation on control pipe
> 2 interface now probing and perform get descriptor request.
> The result seems to me ENXIO error.
>
> In my case there is single interface, basically it's easy usb board and i
> performing firmware download
> on control pipe and devio for whatever reason performing get descriptor
> request and in result i get
> ENXIO.
OK, it's a kernel bug. Could you simply remove the check that generates
the error from usb-uhci.c and try that?
Regards
Oliver
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