Re: Issue with RTC and PPS

Miroslav Lichvar <[email protected]>
Newsgroups gmane.comp.time.chrony.user
Message-ID <Y3JftvMRrRsWd0RR@localhost>
On Mon, Nov 14, 2022 at 04:23:01PM +0100, Gabriele Coppi wrote:
> Now I have the following problems, when I shutdown/reboot the RPi:
> 
> 
>    1. it seems that chrony never selects the PPS source, and given that GPS
>    is marked as noselect, I don't have any GPS timing

If you remove the lock option and add an NTP server (temporarily),
does PPS work?

Have you tried SHM 1 or SOCK, assuming you use gpsd?

>    2. any RTC support is outside chrony, but as said I would like to track
>    it with chrony

chronyd relies on RTC_UIE_ON, but maybe hwclock could work. It has the
--adjust option.

> I specify that chrony is run as daemon at startup with the -s flag

Without rtcfile that probably doesn't do anything useful.

-- 
Miroslav Lichvar


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