[ntp:questions] No PPS FreeBSD with NMEA flag1 1 ntpd Ver. 4.2.6p5

Thomas Laus lausts at acm.org
Tue Feb 7 14:40:48 UTC 2012


On 2012-02-07, Mark C. Stephens <marks at non-stop.com.au> wrote:
>
> [root at NTP ~]# ntpdc -c kerninfo
> pll offset:           3.243e-05 s
> pll frequency:        106.791 ppm
> maximum error:        0.011957 s
> estimated error:      8.8e-05 s
> status:               2001  pll nano
> pll time constant:    4
> precision:            1e-09 s
> frequency tolerance:  496 ppm
> pps frequency:        119.790 ppm
> pps stability:        0.000 ppm
> pps jitter:           0 s
> calibration interval: 4 s
> calibration cycles:   0
> jitter exceeded:      0
> stability exceeded:   0
> calibration errors:   0
>
> AFAIK I have done everything exactly as my friend Google said,
> Any other information that can assist us to track down the issue?
>
You never stated whether you added option PPS_SYNC to your kernel
configuration file, built and loaded the PPS enabled kernel.

Tom 

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