[ntp:questions] Bug 2341 - ntpd fails to keep up with clock drift at poll>7

unruh unruh at invalid.ca
Mon Dec 2 22:13:23 UTC 2013

On 2013-12-02, David Lord <snews at lordynet.org> wrote:
> Martin Burnicki wrote:
> My server with Sure gps/pps has offset below 3 us other than when
> nightly cron jobs give a couple of 35 us spikes. From loop_summary
> over 7 days, typical range for rms offset is 3.9-6.1.
> Over 7 days my four pool servers have following rms offset ranges
> ntp0=784-1646, ntp1=405-837, ntp2=310-434, ntp3=586-1270 but there
> were numerous reboots and ntpd restarts over that period.
> I want to try using a stable external system clock source, TCXO,
> OCXO or rubidium laser.

A sure gps IS a stable external system clock source. What more do you

And those offsets for your pool servers really seem very high. 

> David

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