On Wed, 14 Nov 2012, Graham wrote: > Hello Alan, > > I have a similar issue and not sure if bind/unbind is the solution. I have > multiple devices plugged into a hub (gprs modem, webcam,rfid reader) which > connects to an SBC running linux 2.6.32.11. Each two of the devices work > together and function correctly. However when all three are connected the camera > fails to cature an image. Now the issue would appear to be one of bandwidth > according to USB experts in that I'm getting a uvcvideo:failed to submit URB > 0(-28). Whats been suggested is that if one of the usb devices is removed then > to bandwidth issue should be resolved.I tried unbind on the rfid reader and all > seemed well in terms of the other two devices functioning but I cannot get the > rfid reader to bind. Rather I get can't set config #1 error -62. > > Can you shed any light on this please? Error -62 is -ETIME, which means a request timed out. You can find out which request by collecting a usbmon trace (see Documentation/usb/usbmon.txt). 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