Actually, it could be a RPi 3 issue. I had the same issue with a RisingHF shield on a RPi 3, it required a couple of attempts to get it up and running. Please see: https://github.com/raspberrypi/linux/issues/2094.
Actually, it could be a RPi 3 issue. I had the same issue with a RisingHF shield on a RPi 3, it required a couple of attempts to get it up and running. Please see: https://github.com/raspberrypi/linux/issues/2094.