On 14 Sep 2013, at 16:20, "Poul-Henning Kamp" <[email protected]> wrote:

> In message <[email protected]>, Ian Batten 
> wri
> tes:
>> 
>> On 13 Sep 2013, at 14:57, Steve Allen <[email protected]> wrote:
>> 
>>> In stark contrast to the usual ITU-R pattern and the previous workshop
>>> held by BIPM at the Royal Society, the presentations for next week's
>>> workshop in Geneva are being published
>>> 
>>> http://www.itu.int/oth/R0A0E000096/en
>>> 
>>> As Mike Meyers used to say "Talk amongst yourselves".
>> 
>> The Japanese presentation is genuinely deranged. 
> 
> And you totally missed, purely by accident I pressume, the bit about
> leap-seconds happening during business-days there, right ?

Of course, n a country in which the timezone is UTC+9, it will be 0900 on July 
1 when a leapsecond set for 23:59:60 June 30 fires.  That makes an outage 
starting 0925 and finishing 2241 (both JST) on June 30 even more fascinating as 
a case of an operating taking different codepaths for an impending leap second. 
  What kernels even have an interface to accept this information?  What 
codepaths will be different 23:35 before a leap second?  

Perhaps the presentation as delivered will be more convincing, but just 
pointing to system outage in a 48 hour window either side of a leapsecond and 
say "look!  it was the leapseconds that did it!" is not hugely convincing.

ian

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