[LinuxPPS] NMEA Refclock in ntp-dev does not work

[Udo van den Heuvel]

On 2009-10-18 10:48, William S. Brasher wrote:
> On Sun, 18 Oct 2009, Udo van den Heuvel wrote:
> 
>> On 2009-10-17 20:55, William S. Brasher wrote:
>>> The problem with ntp-dev-4.2.5p233-RC happens with Linux 2.4 too.
>>
>> Dunno about 2.4.
>> I only know that for 2.6 we need to patch ntpd and that patch is not in
>> ntp-dev as was the goal of the bug report.
> 
> Linux 2.4 with the PPSkit has been around a while, is stable, and works 
> quite well with ntp-4.2.4 with out any nmea patch.  That ntp-dev-4.2.5 
> does not work suggests that the problems we are having with it and linux 
> 2.6.31 might be present even if the nmea patch were installed.

Hmm. Interesting observation.
Maybe you can give this feedback to the ntp folks as well?

> I am curious, though:  where in ntp-dev would you find the "common PPSAPI 
> code" that replaces the stuff that used to be in refclock_nmea.c?

As I saw from their manual page (see website) for the NMEA drievr, they
add edge-related options etc.