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? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html