On Thu, 8 Feb 2007, Deepak Katagade wrote:

> Hi All,
>      Bulk source and the bulk sink tests that is integrated in the
> test driver writes the data directly to the device without following
> the cbw and csw protocol.

That is because those two tests are not supposed to be used with a USB 
mass-storage device.  They are meant to be used only with devices which 
support the special bulk-echo testing protocol.

>  That induces an endpoint error at our
> hostcontroller layer.I think this may be the reason if i am not
> wrong.Please guide me in this.

You are correct.

Alan Stern


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