[ntp:questions] Re: What went wrong with the leap second

David L. Mills mills at udel.edu
Thu Jan 5 04:24:59 UTC 2006


Richard,

Yasss! Your data show the clock did not step back during the leap second 
as some systems do, but maintained monotonicity. Good show.

Dave

Richard B. Gilbert wrote:

> Martin Burnicki wrote:
> 
>> Richard,
>>
>> Richard B. Gilbert wrote:
>>  
>>
>>> Rob van der Putten wrote:
>>>   
>>>
>>>> The only way that one can avoid these problemes is probably to use ones
>>>> own GPS receiver instead of somebody elses NTPD.
>>>>
>>>>     
>>>
>>> Don't count on it!  The Motorola Oncore driver in nptd 4.2.0 failed to
>>> handle the leap second correctly.  There was a bug logged in Bugzilla
>>> and a patch was available but if there was an announcement, I missed it.
>>>
>>> It looks as if about half the world fumbled the leap second somehow!
>>>   
>>
>>
>> We at Meinberg have tested our GPS and DCF77 receivers and our NTP 
>> servers
>> before the leap second, and we have published the results before on our
>> leap second info page:
>> http://www.meinberg.de/english/info/leap-second.htm
>>
>> After the leap second I've just added the results from what I've 
>> recorded,
>> at the bottom of that page.
>>
>>
>> Martin
>>  
>>
> The other half of the world DID get it right! :-)
> 




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