ntpd strange problem

[Ian Lepore]

On Tue, 2018-10-09 at 08:42 +0200, Wojciech Puchar wrote:
> > 
> > > 
> > > Strange but today (4 days after i restarted ntpd) it seems to be
> > > in sync
> > A couple of suggestions:
> > * (especially if you have an ADSL link): The NTP protocol assumes
> > that
> > the path between the client and server are have symmetric
> > timing.  In
> i have gigabit connectivity with low and stable delays. so it's not
> this.
> 
> > 
> > my experience, bulk uploads or downloads can cause significant path
> > delay asymmetries, which can confuse ntpd.
> > * You only have a single server and are therefore dependent on the
> > trustworthiness of that server.  A few more servers could be
> > useful.
> this server is quite (actually excellently) stable and i trust it.

When I asked for various outputs, I meant "when the unsync problem is
happening"; those outputs are uninteresting when everything is working
right.

You should remove the config for the "local" clock from your ntp.conf.
Configuring a bogus local clock is NEVER the right thing to do, and
it's even worse to configure it at a high stratum number.

-- Ian