[ntp:questions] Re: NTP and DCF77 leap logs

Martin Burnicki martin.burnicki at meinberg.de
Mon Jan 2 20:12:16 UTC 2006


Serge Bets wrote:
>  - Windows 2000 running ntp-4.2.0b at 1.1436mbg-xmas-o-win32-setup.exe was
> apparently behaving well. Announcing leap=01 long in advance, the
> service doing itself the leap...
> Dec 22 22:12:59 oniko NTP: N/A: Detected positive leap second announcement
> for 2006-01-01 00:00:00 UTC
> Jan  1 01:00:03 oniko NTP: N/A: Inserting positive leap second.
>    But all went wrong after the leap. The service entered a cycle of
> wildly bad frequency, like +50 or -120 instead of -20.8 PPM, with offset
> quickly wandering, then time reset. Wander, reset -150 ms. And so on for
> hours, without any sign of stabilisation. 20 hours later it is still
> totally broken. I give up: Deleted drift file and restarted.

Please see my reply to David J. Taylor. Could you please also have a look at
the event logs of those machines and report if there have been any
remarkable messages?

Martin Burnicki

Meinberg Funkuhren
Bad Pyrmont

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