Re: [chrony-users] Chrony source selection algorithm documentation

[Bill Unruh <unruh@xxxxxxxxxxxxxx>]

In the chrony docs, if you start chrony with the -s option and there is no rtc
file, then it will use the time on the drift file to set the system clock,
This sure should not be out by years but may be by hours.

Your gps should not be giving you times out by years.


On Thu, 10 Mar 2016, Henrik Bieler wrote:

> Am 10.03.2016 um 18:27 schrieb Olivier Delbeke:
> > Hi Henrik,
>
> > I'm just a chrony user, but I would say that, in your case, you should
> > address the root cause of the problem :
> > > > Sometimes when the GPS has no fix the GPS-Time received by chrony
> > through SHM is off by several years.
> >
> > GPS-sensors normally do not behave like that. They either don't provide
> > a time, or provide a correct one. You should probably fix the software
> > that provides that erroneous GPS time (if possible).
> >
> > Best regards,
> >
> > Olivier
>
> I agree. However I would strongly prefer sticking with packages in the
> standard repository.
> When I display the GPS in "no fix state" using gpsmon. There is no time
> indicated. This seems correct.
> However chrony reads a grossly incorrect date from shared memory. That
> might be a bug in gpsd or chrony. So fixing it would probably involve
> compiling or using non-repository packages of some sort.
> If I can work around this issue by configuring chrony in the way
> described in my previous mail, that would be my first choice.
>
> Cheers Henrik
>
> --
> To unsubscribe email chrony-users-request@xxxxxxxxxxxxxxxxxxxx
> with "unsubscribe" in the subject.
> For help email chrony-users-request@xxxxxxxxxxxxxxxxxxxx
> with "help" in the subject.
> Trouble?  Email listmaster@xxxxxxxxxxxxxxxxxxxx.

--
To unsubscribe email chrony-users-request@xxxxxxxxxxxxxxxxxxxx 
with "unsubscribe" in the subject.
For help email chrony-users-request@xxxxxxxxxxxxxxxxxxxx 
with "help" in the subject.
Trouble?  Email listmaster@xxxxxxxxxxxxxxxxxxxx.