Re: [LEAPSECS] Testing computer leap-second handling

2012-07-10 Thread Tony Finch
On 9 Jul 2012, at 18:30, Poul-Henning Kamp p...@phk.freebsd.dk wrote: DST also exploits the vast tolerance humans have for where the sun is in the sky when they eat. DST exists because people care more about the time of sunrise than the time of noon. Tony. -- f.anthony.n.finch

Re: [LEAPSECS] Testing computer leap-second handling

2012-07-10 Thread Tony Finch
On 9 Jul 2012, at 19:07, Warner Losh i...@bsdimp.com wrote: (2) Push for a relaxation of DUT1 1s so we could reach a 10 year time horizon, or possibly beyond. The difficulty with this is that it breaks several standard time sync protocols, including MSF and the telephone time protocol. But

Re: [LEAPSECS] Testing computer leap-second handling

2012-07-10 Thread Poul-Henning Kamp
In message 277995ca-44d0-4b43-8cba-d8f87fe02...@dotat.at, Tony Finch writes: On 9 Jul 2012, at 18:30, Poul-Henning Kamp p...@phk.freebsd.dk wrote: DST exists because people care more about the time of sunrise than the time of noon. Sunset actually, but yes. -- Poul-Henning Kamp | UNIX

Re: [LEAPSECS] Testing computer leap-second handling

2012-07-10 Thread Clive D.W. Feather
Michael Spacefalcon said: But with the latter approach, those citizens who happen to be on the wrong side will have their fundamental human rights violated by being subjected to a delta between true MST and civil time than exceeds 30 min, If you think that this is a fundamental human

Re: [LEAPSECS] Testing computer leap-second handling

2012-07-10 Thread Clive D.W. Feather
Rob Seaman said: The issue (discussed many times previously) is to avoid introducing a secular trend into UTC. And, as also discussed, you have yet to show that the woman on the Clapham omnibus even cares. -- Clive D.W. Feather | If you lie to the compiler, Email: cl...@davros.org

Re: [LEAPSECS] Longer horizon

2012-07-10 Thread Daniel R. Tobias
On 9 Jul 2012 at 14:31, Warner Losh wrote: First, the current right database can't be updated in place: you have to restart. M$ Windows people are used to constantly having to restart their systems at the most trivial updates... *Nix folks are spoiled! -- == Dan == Dan's Mail Format Site:

Re: [LEAPSECS] Testing computer leap-second handling

2012-07-10 Thread Rob Seaman
On Jul 10, 2012, at 12:44 AM, Clive D.W. Feather wrote: Rob Seaman said: The issue (discussed many times previously) is to avoid introducing a secular trend into UTC. And, as also discussed, you have yet to show that the woman on the Clapham omnibus even cares. Wikipedia gives context

Re: [LEAPSECS] Longer horizon

2012-07-10 Thread Rob Seaman
On Jul 10, 2012, at 7:09 AM, Warner Losh wrote: On Jul 10, 2012, at 7:12 AM, Daniel R. Tobias wrote: On 9 Jul 2012 at 14:31, Warner Losh wrote: First, the current right database can't be updated in place: you have to restart. M$ Windows people are used to constantly having to restart

Re: [LEAPSECS] Longer horizon

2012-07-10 Thread Warner Losh
On Jul 10, 2012, at 8:26 AM, Rob Seaman wrote: On Jul 10, 2012, at 7:09 AM, Warner Losh wrote: On Jul 10, 2012, at 7:12 AM, Daniel R. Tobias wrote: On 9 Jul 2012 at 14:31, Warner Losh wrote: First, the current right database can't be updated in place: you have to restart. M$

Re: [LEAPSECS] NTP disambiguation

2012-07-10 Thread Dennis Ferguson
On 9 Jul, 2012, at 18:35 , Zefram wrote: Dennis Ferguson wrote: While NTP-on-the-wire might replay the :59:59 timestamps over you can disambiguate which of these you are getting by noting that timestamps from the first time through :59:59 will have the leap second warning set while the

Re: [LEAPSECS] Longer horizon

2012-07-10 Thread Rob Seaman
Warner, Your message seems snarkier (more cranky, irritable) than mine. You speculate on what I do or don't understand, and on what I am or am not doing. All of these are irrelevant. I'm a big fan of FreeBSD and PHK's MD5 password hashing, but still disagree with his position on leap

Re: [LEAPSECS] Longer horizon

2012-07-10 Thread Warner Losh
On Jul 10, 2012, at 11:17 AM, Rob Seaman wrote: Your message seems snarkier (more cranky, irritable) than mine. You speculate on what I do or don't understand, and on what I am or am not doing. All of these are irrelevant. I'm a big fan of FreeBSD and PHK's MD5 password hashing, but

Re: [LEAPSECS] any other parties?

2012-07-10 Thread Steve Allen
On Sun 2012-07-08T08:24:35 -0700, Steve Allen hath writ: I did not hold a leap second party, but Skip did. http://www.the-signal.com/section/36/article/69087/ Here's an edited video of the party. http://youtu.be/CaOpGrs0x_U The time nuts should note how the different clocks indicated the

Re: [LEAPSECS] Longer horizon

2012-07-10 Thread Daniel R. Tobias
On 10 Jul 2012 at 8:38, Warner Losh wrote: You really don't understand the depth of the leap second issue in software. If it were that easy, it would have actually been solved. People just don't care, and that's the problem. Actually, from what I've seen and heard about this year's crop of

Re: [LEAPSECS] Testing computer leap-second handling

2012-07-10 Thread Greg Hennessy
And, as also discussed, you have yet to show that the woman on the Clapham omnibus even cares. Why is it that those who object to a proposal have to do the leg work of showing someone cares, not the ones advocating a change? Shall we take a poll 'UN bureaucrats are proposing changeing clocks

Re: [LEAPSECS] Longer horizon

2012-07-10 Thread Harlan Stenn
Dan wrote: It's only when you actually attempt to get the system to account for the leap second immediately and precisely when it happens that you end up having to code in something convoluted that only runs every couple of years, with all the potential to screw it up and cause a major

Re: [LEAPSECS] Longer horizon

2012-07-10 Thread Michael Spacefalcon
Daniel R. Tobias d...@tobias.name wrote: Actually, from what I've seen and heard about this year's crop of bugs, server crashes, etc., relating to the leap second, the big problems come when the developers know and care just enough to be dangerous. Yup. If you take the total dumbass