Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Warner Losh
On Feb 12, 2014, at 5:36 AM, Greg Hennessy wrote: Um, that is false. All linux kernels did not crash, in fact NONE of mine did. all here was an overstatement, but the impact of the leap second should never be your kernel crashes even if your personal kernels didn't. You should

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Brooks Harris
On 2014-02-12 04:36 AM, Greg Hennessy wrote: Um, that is false. All linux kernels did not crash, in fact NONE of mine did. all here was an overstatement, but the impact of the leap second should never be your kernel crashes even if your personal kernels didn't. You should refrain from

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Harlan Stenn
Warner Losh writes: On Feb 12, 2014, at 5:36 AM, Greg Hennessy wrote: Um, that is false. All linux kernels did not crash, in fact NONE of mine did. all here was an overstatement, but the impact of the leap second should never be your kernel crashes even if your personal kernels

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Warner Losh
On Feb 12, 2014, at 7:53 AM, Harlan Stenn wrote: Warner Losh writes: On Feb 12, 2014, at 5:36 AM, Greg Hennessy wrote: Um, that is false. All linux kernels did not crash, in fact NONE of mine did. all here was an overstatement, but the impact of the leap second should never be your

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Rob Seaman
On Feb 12, 2014, at 8:47 AM, Warner Losh i...@bsdimp.com wrote: The linux kernel has been touted by some of its proponents as the most tested and verified kernel around. Some may quibble with this characterization, but if not the most, certainly one of the most. And even so, this problem

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Warner Losh
On Feb 12, 2014, at 9:09 AM, Rob Seaman wrote: On Feb 12, 2014, at 8:47 AM, Warner Losh i...@bsdimp.com wrote: The linux kernel has been touted by some of its proponents as the most tested and verified kernel around. Some may quibble with this characterization, but if not the most,

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Brooks Harris
On 2014-02-12 07:47 AM, Warner Losh wrote: The linux kernel has been touted by some of its proponents as the most tested and verified kernel around. Some may quibble with this characterization, but if not the most, certainly one of the most. And even so, this problem with leap seconds

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Brooks Harris
On 2014-02-12 08:03 AM, Warner Losh wrote: On Feb 12, 2014, at 8:03 AM, Brooks Harris wrote: On 2014-02-12 04:36 AM, Greg Hennessy wrote: Um, that is false. All linux kernels did not crash, in fact NONE of mine did. all here was an overstatement, but the impact of the leap second should

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Warner Losh
On Feb 12, 2014, at 9:54 AM, Brooks Harris wrote: On 2014-02-12 08:09 AM, Rob Seaman wrote: There are many much more complex computer science challenges. In fact, the entire purpose of these things called computers is to deal efficiently with hellaciously complicated problems. This

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Rob Seaman
Hi Warner, You’ll note that this particular email is addressed to you. Most contributions to this mailing list are not personally addressed. In those cases one might reasonably infer that other messages were intended as general contributions to a common forum. On Feb 12, 2014, at 9:09 AM,

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Brooks Harris
On 2014-02-12 09:46 AM, Warner Losh wrote: On Feb 12, 2014, at 9:54 AM, Brooks Harris wrote: On 2014-02-12 08:09 AM, Rob Seaman wrote: There are many much more complex computer science challenges. In fact, the entire purpose of these things called computers is to deal efficiently with

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Warner Losh
On Feb 12, 2014, at 11:22 AM, Rob Seaman wrote: Hi Warner, You’ll note that this particular email is addressed to you. Most contributions to this mailing list are not personally addressed. In those cases one might reasonably infer that other messages were intended as general

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Hal Murray
E) Leap seconds are tied to observations of the earth's spin, rather than predicted years in advance. With only 6 months warning for leap seconds, this produces operational difficulties for many environments that have burdensome change control policies. What do those organizations do when

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Harlan Stenn
Warner Losh writes: On Feb 12, 2014, at 7:53 AM, Harlan Stenn wrote: Warner Losh writes: On Feb 12, 2014, at 5:36 AM, Greg Hennessy wrote: Um, that is false. All linux kernels did not crash, in fact NONE of mine did. all here was an overstatement, but the impact of the leap

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Warner Losh
On Feb 12, 2014, at 1:50 PM, Harlan Stenn wrote: The conclusions I draw from the utter lack of any similar reports from non-linux systems are: - either those kernels/libraries did not do leap-second processing, or - they did and their code worked Do you have different conclusions? Yes.

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Clive D.W. Feather
Warner Losh said: Yes. I've never been able to understand why facing the guts of this problem has been evaded. Its a great computer-science project - it should be fun! The problem stems not because one person can't climb the complexity hill to get it right: several have. The problem comes

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Clive D.W. Feather
Hal Murray said: I don't pay attention to summer time in Europe. How often do things change over there and/or how much notice do people get when the rules are changed? The EU has standard rules defined in a Directive. The present Directive is 2000/84/EC and was published in the Official

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Clive D.W. Feather
Brooks Harris said: D) Clarifying timezone guidelines, including standardizing international date line, UTC offset, and methods of Daylight instantiation Um, timezones are a political matter pure and simple. Who do you think is going to listen to you? -- Clive D.W. Feather | If

Re: [LEAPSECS] Pedagogy Greenwich

2014-02-12 Thread Clive D.W. Feather
Ian Batten said: The easternmost point of the London district of Greenwich is a the intersection of two roads, Maze Hill and Charlton Way. The coordinates are 51° 28.509' N, 0° 0.602' E I'm not sure what you're using as a definition of district. SE2 0AT is in the Royal Borough of

Re: [LEAPSECS] Pedagogy Greenwich

2014-02-12 Thread Ian Batten
On 12 Feb 2014, at 22:22, Clive D.W. Feather cl...@davros.org wrote: Ian Batten said: The easternmost point of the London district of Greenwich is a the intersection of two roads, Maze Hill and Charlton Way. The coordinates are 51° 28.509' N, 0° 0.602' E I'm not sure what you're using as

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Richard Clark
Back in the 1974 oil crisis the US made an 'emergency' change to its DST schedual. I don't recall the legal mechanism used. It was likely an executive order from the President. But it most definitely was with less than 6 months notice so the legal precedent is exists in the US. I also have

Re: [LEAPSECS] happy anniversary pips

2014-02-12 Thread Harlan Stenn
Warner Losh writes: On Feb 12, 2014, at 1:50 PM, Harlan Stenn wrote: The conclusions I draw from the utter lack of any similar reports from non-linux systems are: - either those kernels/libraries did not do leap-second processing, or - they did and their code worked Do you have