Re: Bug: Status/Summary of slashdot leap-second crash on new years 2008-2009

Linas Vepstas
2009-01-06T05:00:42Z

Oops.

2009/1/5 Linas Vepstas <linasvepstas@gmail.com>:
> 2009/1/5 john stultz-lkml <johnstul.lkml@gmail.com>:
>> On Mon, Jan 5, 2009 at 9:42 AM, Linas Vepstas <linasvepstas@gmail.com> wrote:
>> [snip]
>>> The long term solution would be write an RFC to extend
>>> NTP to also provide TAI information -- e.g. to add a
>>> message that indicates the current leap-second offset
>>> between UTC and TAI.
>>
>> I believe Roman has already added this ability:
>> http://git.kernel.org/gitweb.cgi?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=153b5d054ac2d98ea0d86504884326b6777f683d;hp=9f14f669d18477fe3df071e2fa4da36c00acee8e
>
> Well, you're answering a different statment than what
> I was talking about -- I wanted to make sure that TAI
> information was available via NTP -- this has nothing
> to do with the kernel, and would be something available
> to all operating systems.
>
> Anyway -- I'm looking at the patch you reference, and
> maybe I'm being dumb -- but -- I think I see a bug.
>
> case TIME_DEL decrements TAI, but TIME_INS does
> not increment it. Instead, there's a lonely increment in
> TIME_OOP which seems wrong. ??

Never mind. Sorry, I'm wrong, the code looks right.
Time to stop reading email, and go to bed. :-)

--linas