Ming, The ehci controller is bogged down because the frames from the camera and other stuff are being relayed over ethernet. /Frederik On Friday 10 May 2013 23.24.32 Ming Lei wrote: > > Why do you think it's bogged down with ethernet? The ethernet throughput > can go beyond 90Mbps on Pandaboard, and the period transfer(used by UVC) > shouldn't be affected by async transfer of bulk(ethernet) since async > transfer has low priority than periodic transfer in USB2.0. > > > Thanks, -- 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