Pete: I was looking into adapting usbmon to handle URBs with scatter-gather lists. How to do it isn't obvious. In particular, what should happen if some of the sg buffers are in addressable memory and some aren't? Any thoughts? 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