i have obtained another device which is identical product and vendor id. now both of them are detected and running with same old kernel and driver without having to modprobe modprobe again. now this is because the kernel or the driver. regards, Ahmad -- 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