[ntp:questions] GPS_NEMA, but high offset and jitter?

Richard B. Gilbert rgilbert88 at comcast.net
Fri Feb 26 13:58:42 UTC 2010


Terje Mathisen wrote:
> Kelsey Cummings wrote:
>> Rob wrote:
>>> This is normal with NMEA. You never will get stable time when using
>>> an NMEA time source. For that, you need PPS. Your PPS is apparently
>>> not working.
>>
>> It feels like I must be missing something here, running with -d I can
>> confirm that PPS doesn't appear to be working - after enabling flag3 as
>> well.
>>
>> 25 Feb 13:53:21 ntpd[75656]: 0.0.0.0 041d 0d kern PPS enabled
>> 25 Feb 13:53:21 ntpd[75656]: 0.0.0.0 042d 0d kern PPS no signal
>> ...
> 
> Which flags are you using? I had to change my setup after compiling the 
> latest ntp-dev code base.
> 
> Terje
> 

I can't help thinking that it's a poor policy to allow upgrades to break
something that works!

OTOH, there usually are "release notes" for a new release to tell you 
what's new, what's changed/broken, etc.




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