[ntp:questions] NTP vs chrony comparison (Was: oscillations in ntp clock synchronization)

Danny Mayer mayer at ntp.isc.org
Sun Jan 27 16:49:07 UTC 2008

David L. Mills wrote:
> Danny,
> Unless the computer clock intrinsic frequency error is huge, the only 
> time the 500-PPM kicks in is with a 100-ms step transient and poll 
> interval 16 s. The loop still works if it hits the stops; it just can't 
> drive the offset to zero.
> Dave

Yes, I found this out when my laptop stopped disciplined the clock and 
was complaining about the frequency limits and I started digging into 
the code to figure out why.


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