On Tuesday 25 June 2013 10:29:06 Alan Stern wrote:
> On Tue, 25 Jun 2013, Oliver Neukum wrote:
>
> > Hi Sarah,
> >
> > I am seeing a few webcams that work only on EHCI. The XHCI is in principle
> > functional. Other webcams do work. Do you have any idea what to do in such
> > a case? The cameras are high-speed devices. The camera is detected, but
> > yields no pictures.
> > I do have traces but they are rather large.
> >
> > Regards
> > Oliver
> >
> > (trace of device detection - the open won't go over the list)
>
> Did you compare an EHCI usbmon trace with the xHCI trace?
Yes, there are no errors on the USB level.
Regards
Oliver
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