On Mon, Jul 23, 2018 at 9:43 AM, Jeffrey Ollie <jeff@ocjtech.us> wrote:
I had the same problem (except I was using the Adafruit version), and my only solution at the time was to switch back to Raspbian.

Yes, mine works fine with Raspbian also. I just don't much like using Debian-based distributions because I have been using Red Hat and Fedora since 1995.

[OT] It probably makes no difference in practice for a typical NTP server, but the Geppetto board is based on a GPS chip with firmware optimized for a fixed location time reference. After it does an initial site survey it assumes that it doesn't move, and purportedly can offer better performance on the PPS output.