Hi, On Fri, Jun 16, 2017 at 08:49:00PM +0530, JANARDHANACHARI KELLA wrote: > Thank you Alex, for your support. > > I will follow your guidance. As mentioned in your replay mail. ok. It could also be possible somebody sends frames with frame type 0 which is beacon frames... so if there is some other device which could send it and you receive them: this error will shown because we support dataframes only right now. No MLME-ops or others... It sounds like the issue which I described because the spi controller will moslty read zeros at some part of frame payload... You could also check wireshark if the payload looks like garbage. - Alex -- To unsubscribe from this list: send the line "unsubscribe linux-wpan" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html