Re: ntpd crashes.
On 22 September 2012 15:51, Camaleón <noelamac@gmail.com> wrote:
> El 2012-09-21 a las 22:13 +0200, Mauro escribió:
>
> (resending to the list)
>
>> On 21 September 2012 16:30, Camaleón <noelamac@gmail.com> wrote:
>> > On Fri, 21 Sep 2012 12:05:01 +0200, Mauro wrote:
>> >
>> >> On 20 September 2012 22:20, Mauro <mrsanna1@gmail.com> wrote:
>> >>> On 20 September 2012 16:56, John Hasler <jhasler@newsguy.com> wrote:
>> >>>> Someone who Stefan failed to identify wrote:
>> >>>>> ...ntpd crashes on my server. Time jumps forward one hour every time
>> >>>>> this has happened.
>> >>>>
>> >>>> I doubt ntpd is crashing. Most likely something else is jumping the
>> >>>> system clock and ntpd is behaving as designed and exiting when it sees
>> >>>> a one hour error. Shut down ntpd, set the clock correctly, and wait.
>> >>>> I suspect that eventually you'll see the clock jump even without ntpd
>> >>>> running.
>> >>>
>> >>> Yes that is.
>> >>> I have no cron jobs at all, I only have xen and heartbeat + pacemaker
>> >>> on my two nodes and no processes that set the system clock. The clock
>> >>> jumps ahead of one or two hours and I don't know why. Perhaps some
>> >>> kernel bug?
>> >
>> > ntpd should avoid the clock going that forward and keep it disciplined.
>> >
>> >> It seems not ntp problem but a kernel bug:
>> >>
>> >> http://my.opera.com/marcomarongiu/blog/2010/08/18/debugging-ntp-again-part-4-and-last
>> >
>> > You can try the mentioned work-around and see if that works for you.
>> >
>> > Anyway, if that's the case, you should experience the same with different
>> > ntp daemons and not just with ntpd :-?
>>
>> I've experienced the same problem also with openntp.
>
> That makes more sense.
>
> Anyway, no NTP daemon should crash because of skewed time; one thing is
> that it refushes to sync (which can be fine, and should log this fact
> so the admin can make the proper measures) but a different thing is
> completely killing the service.
>
>> Now I'm back with ntp using the workaround mentioned, hope it works.
>
> Perfect, tell us how it went.
PROBLEM!!!!!!
System clock is gone one hour ahead, ntp stops to run with no messages
logs and I now I'm in trouble because I don't know what to do.
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