Thanks, this is working indeed, but should i get good results (like, not more than a few of micros from my gps time) with these settings ?
Right now it is locking on PPS (*) but my clock seem worse (offset to utc) than when using only the ntp server as source. 2017-08-24 17:38 GMT+02:00 Miroslav Lichvar <mlich...@redhat.com>: > On Thu, Aug 24, 2017 at 05:18:08PM +0200, Thibaut BEYLER wrote: > > I'm trying to synchronise chrony with a pps signal coming from a bnc > output > > on a gps timeserver. > > > > The pulses seems to arrive properly according to ppstest, but i don't > > figure out how to combine this pulse with a ntp time source to complete > the > > samples (according to the documentation, it seems to be possible) > > > > All the exemples i see on the Internet use NMEA (which i don't think I > have > > out of my pps output) or another reference clock, any way to do that ? > > The lock option can work only with other reference clocks. With an NTP > source you wouldn't specify the option, e.g. > > server foo.example.com iburst > refclock PPS /dev/pps0 > > After start, chronyd will synchronize the clock to the NTP server. > This will allow the PPS refclock to complete the pulses and then it > can take over as the main time source for synchronization of the > system clock. > > -- > Miroslav Lichvar > > -- > To unsubscribe email chrony-users-requ...@chrony.tuxfamily.org > with "unsubscribe" in the subject. > For help email chrony-users-requ...@chrony.tuxfamily.org > with "help" in the subject. > Trouble? Email listmas...@chrony.tuxfamily.org. > >