On Sun, 13 Jan 2013, gavin.kx wrote: > and does have a way to force to remove the usb device? my hub power > is supplied by battery, it can work while CPU sleep. You remove the USB device by unplugging its cable. 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