Tinkerboard

[Hal Murray]

> Why not build with all the refclocks?  That is not a well tested way to
> configure NTPsec. 

I regularly test/run with only the refclocks I plan to use.

I admit I haven't tested the SHM only case.  If it doesn't work, we should 
fix it.


> Nothing in ntpd.log of interest WRT shm/pps/gps

>> Nothing of interest?  Or Nothing?  The former says the driver loaded, the
> later says the driver did not load. 

I don't see any startup messages from SHM.

grep -i SHM 
 7 Sep 14:11:26 ntpd[3006]: MODE6: SHM(0) 8014 84 reachable
 7 Sep 14:11:27 ntpd[3006]: MODE6: SHM(1) 8014 84 reachable
 9 Sep 12:44:02 ntpd[3006]: MODE6: SHM(0) 9012 82 demobilize assoc 18208
 9 Sep 12:44:02 ntpd[3006]: MODE6: SHM(1) 9012 82 demobilize assoc 18209
 9 Sep 12:44:12 ntpd[9220]: MODE6: SHM(0) 8014 84 reachable
 9 Sep 12:44:13 ntpd[9220]: MODE6: SHM(1) 8014 84 reachable


-- 
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