[ntp:questions] basic questions about the leapsecond
Martin Burnicki
martin.burnicki at meinberg.de
Thu Dec 18 09:27:00 UTC 2008
Unruh wrote:
> David Woolley <david at ex.djwhome.demon.co.uk.invalid> writes:
>
>>David L. Mills wrote:
>
>>> mitigation algorithms, generally three candidates. If a reference clock
>>> is among them, only its leap bits are used. If not, a vote is taken
>
>>Surely that needs to be limited to reference clocks that are definitely
>>capable of reporting leap seconds without manual intervention, and
>>considering the hardware, as well as the driver.
>
> It also seems to be wrong for 4.2.4p4. I have an shm PPS source, which
> certainly does not report leap seconds. But my system is reporting that it
> is leap second ready and that could only have come from its other two
> servers, which are not refclock drivers, but standard network servers.
Again, what Dave has pointed out refers only to the dev version. 4.2.4p4 is
a stable version which behaves differently.
Martin
--
Martin Burnicki
Meinberg Funkuhren
Bad Pyrmont
Germany
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