[ntp:questions] Re: Leap second hangover?
David J Taylor
david-taylor at blueyonder.co.not-this-bit.nor-this-part.uk
Sat Jul 1 15:08:11 UTC 2006
David Malone wrote:
> "David J Taylor"
> <david-taylor at blueyonder.co.not-this-bit.nor-this-part.uk> writes:
>> On both problem PCs, at 01:00 a positive leap second is inserted.
> Interesting stuff - after the last leapsecond there were stuff
> public time servers advertising a pending leapsecond 12 hours later.
> Evidently there were some still advertising it a whole 6 months
>> All my systems are using the server ntp2c.mcc.ac.uk, so I presume
>> that is not is sending out the spurious message. How can I find out
>> if a server is sending out a leap-second required message? I can
>> only assume something in the UK pool of servers was incorrectly
>> sending the leap-second message, and may still be.
> You can see the leap bits by doing something like:
> ntpq -c rv localhost
> (replace localhost with the name of the host you want to query)
> and look for the "leap=" value. It should be "00" at the moment.
> I used this to produce the graph at:
> It would be interesting to survey the pool servers and see which
> are advertising a leap second.
Thanks, David. Well, I can see that neither Manchester not my simple
stratum-1 server is advertsing leap-seconds. Persumably some in the UK
pool still are (or were).
Perhaps you can use your program to check?
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