[ntp:questions] NTP and PPS calibration interval (convergence speed)

Miguel Gonçalves miguel.barbosa.goncalves at gmail.com
Wed May 29 20:38:04 UTC 2013

On Tue, May 28, 2013 at 8:23 AM, A C <agcarver+ntp at acarver.net> wrote:
> Are you allowing kernel discipline in the ntpd configuration?  I currently
> have issues with my system going crazy if too many thermal fluctuations
> happen.  I have kernel disabled in ntpd.conf (with a "disable kernel"
> directive) but I might consider enabling that if I have a similar
> PPS_FAVGDEF in the NetBSD kernel.

Yes... Kernel discipline is enabled in my reference clock server line
in ntp.conf.

The system goes crazy because it adjusts the frequency every 256
seconds even though you might have low poll intervals (usually 16
seconds for many clocks).


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