[ntp:questions] Ginormous offset and slow convergance

Pete Ashdown pashdown at xmission.com
Wed Nov 30 20:17:03 UTC 2011

unruh <unruh at invalid.ca> writes:

>Uh, that is NOT the local hardware clock. That is local system clock.
>Ie, the clock you are trying to discipline with ntpd. 
>Ie, you are setting the clock with itself, and so it will always have
>zero offset-- super convergence, but unfortunately not to anything even
>approximating the real time. 
>In fact ntpd cannot have 16 sec excursions. If the offset to what ntpd
>thinks is a valid time are greater than 128ms (.128 s) it will step the

>What operating system are you using? What version of ntpd?

Ubuntu Linux 10.04, Kernel 3.1.0, ntp-4.2.6p5-RC1

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