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From: Chris on 3 Nov 2009 09:11
On Nov 3, 2:29 am, dduster <ddus...(a)discussions.microsoft.com> wrote:

> As for the class - they are all set (as are the descriptors), as per
> usbcdc11.pdf (I have also compare my descriptors with numebous other example
> I was able to locate on the web - and I see not difference..)

Is it feasible for you to insert a small filter driver between
usbser.sys and your device's PDO to inspect the URBs that are going
back and forth? Maybe usbser.sys is really issuing a read URB for
your interrupt endpoint, but it's failing somehow.
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