[ntp:questions] Problems distibuting time from GPSD programto NTPD
no_spam_please at swenker.xs4all.nl
Wed Feb 6 01:02:58 UTC 2008
On Mon, 04 Feb 2008 19:48:04 +0000, Jason Rabel wrote:
>>> I have a gpsd and ntpd in connection running on a Fedora 5 box.
>>Why not connect the gps directly to ntpd? (if it supports nmea output) If
>>it has PPS output you get magnitudes higher accuracy.
> Linux doesn't directly support a PPS signal (unless you use some 3rd party
> code to patch and recompile a custom kernel), that is why he is using GPSD
> as a helper app (which feeds the PPS timing via SHM to NTP).
Be sure to upgrade to gpsd 2.36, or backport the leapyear patch which
was distributed on januari 1st.
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