Eric, I am using the SHM driver , which talks to gpsd. The presence of the "g" suffix causes the line to be ignored.
root@ntpmon:~/ntpsec# grep refclock /etc/ntp.conf refclock shm unit 0 refid GPS time1 0.650g flag4 1 root@ntpmon:~/ntpsec# kill -9 `pidof ntpd` ; ntpd -D 100 root@ntpmon:~/ntpsec# ntpq -pn server=localhost No association IDs returned ntpd.log: 2000-01-01T02:23:58 ntpd[20105]: INIT: Using SO_TIMESTAMPNS 2000-01-01T02:23:58 ntpd[20105]: IO: Listen and drop on 0 v6wildcard [::]:123 2000-01-01T02:23:58 ntpd[20105]: IO: Listen and drop on 1 v4wildcard 0.0.0.0:123 2000-01-01T02:23:58 ntpd[20105]: IO: Listen normally on 2 lo 127.0.0.1:123 2000-01-01T02:23:58 ntpd[20105]: IO: Listen normally on 3 eth1 203.123.48.219:123 2000-01-01T02:23:58 ntpd[20105]: IO: Listen normally on 4 lo [::1]:123 2000-01-01T02:23:58 ntpd[20105]: IO: Listen normally on 5 eth1 [2405:fc00:0:1::123]:123 2000-01-01T02:23:58 ntpd[20105]: IO: Listen normally on 6 eth1 [fe80::204:23ff:feb8:1c1e%3]:123 2000-01-01T02:23:58 ntpd[20105]: IO: Listening on routing socket on fd #23 for interface updates 2000-01-01T02:23:58 ntpd[20105]: INIT: This system has a 32-bit time_t. 2000-01-01T02:23:58 ntpd[20105]: INIT: This ntpd will fail on 2038-01-19T03:14:07Z. 2000-01-01T02:23:58 ntpd[20105]: PROTO: 0.0.0.0 c01d 0d kern kernel time sync enabled 2000-01-01T02:23:58 ntpd[20105]: PROTO: 0.0.0.0 c012 02 freq_set kernel 39.594910 PPM 2000-01-01T02:23:58 ntpd[20105]: PROTO: 0.0.0.0 c016 06 restart 2000-01-01T02:23:58 ntpd[20105]: NTSc: Using system default root certificates. -- Sanjeev Gupta +65 98551208 http://www.linkedin.com/in/ghane On Sat, Aug 17, 2019 at 1:41 AM Eric S. Raymond via devel <devel@ntpsec.org> wrote: > I've just pushed a change that interprets a 'g' suffix on a clock time1 > fudge option as an instruction to add the number of seconds in a > 1024-week GPS era. There can be more than one g. Using this, you can > compensate for era rollover in old GPS devices. > > Credit to James Browning for the idea. It's actually done at the > scanner level, so it will work for other double-valued options such > as the time2 fudge - not that I expect that to be used. > > If you have a GPS old enough to require wraparound compensation, > please test; I don't think I do anymore. > > I've also updated the driver documentation, pointing out where this > option is likely to be of use, and the NEWS file. > > Mark: once we've tested this it might merit a point release. > -- > <a href="http://www.catb.org/~esr/";>Eric S. Raymond</a> > > You know why there's a Second Amendment? In case the government fails to > follow the first one. > -- Rush Limbaugh, in a moment of unaccustomed profundity 17 Aug > 1993 > _______________________________________________ > devel mailing list > devel@ntpsec.org > http://lists.ntpsec.org/mailman/listinfo/devel >
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