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Re: ntp problem



On Tue, Jun 24, 2014 at 09:53:07AM +0200, Pierre Frenkiel wrote:
> hi eveybody,
> I recently discovered that the time on my desktop was wrong by several minutes,
> although it is running ntpd. On my laptop, which has exactly the same ntp.conf,
> the time correct.
> Here are the output of ntptime on the 2 machines
> laptop:
>    ntp_gettime() returns code 0 (OK)
>      time d753a7ab.725bfaa8  Tue, Jun 24 2014  9:30:51.446, (.446716067),
>      maximum error 188962 us, estimated error 4294 us, TAI offset 0
>    ntp_adjtime() returns code 0 (OK)
>      modes 0x0 (),
>      offset 270.965 us, frequency 1.879 ppm, interval 1 s,
>      maximum error 188962 us, estimated error 4294 us,
>      status 0x2001 (PLL,NANO),
>      time constant 7, precision 0.001 us, tolerance 500 ppm,
> 
> dektop
>    ntp_gettime() returns code 5 (ERROR)
>      time d753a7d7.19c92000  Tue, Jun 24 2014  9:31:35.100, (.100725),
>      maximum error 16000000 us, estimated error 16000000 us, TAI offset 0
>    ntp_adjtime() returns code 5 (ERROR)
>      modes 0x0 (),
>      offset 0.000 us, frequency -500.000 ppm, interval 1 s,
>      maximum error 16000000 us, estimated error 16000000 us,
>      status 0x41 (PLL,UNSYNC),
>      time constant 7, precision 1.000 us, tolerance 500 ppm,
> 
> I tried ntpdate, which actually restablished the correct time, but 30
> minutes later, the time has already drifted by 15 seconds.
> 
> Any possible explanation?

ntp_gettime() error 5 is, according to the man page, "TIME_ERROR (clock
not synchronised". So, in that case, look to your ntpd. Run "ntpq -p" to
see the status of your peers and/or "ntpq -c assoc" for more details.
The information there can be complex, so feel free to paste the results
here :)

> 
> best regards,
> -- 
> Pierre Frenkiel
> 
> 
> -- 
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> 

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