[LinuxPPS] 1PPS Atom Ref Clock Not being Polled?

Udo van den Heuvel udovdh at xs4all.nl
Wed Jul 22 09:30:52 CEST 2009


On 2009-07-22 09:01, K. Connolly wrote:
> On Wed, 22 Jul 2009, Udo van den Heuvel wrote:
>> A known issue exists here.
>> It *appears* to be dealing with termios on serial port settings.
>> ppsldisc *does* work. unpatched ldattach doesn't.
>> And I don't understand why a patched ldattach does work.
>>
>> Any updates or progress on this issue is VERY welcome.
> 
> I'm sorry, are you saying there's an ldattach issue beyond the suggested
> patch on the install/setup wiki?

Indeed.

> I'm running a -patched- ldattach,

Even without that patch stuff should work, teh patch just adds the
knowledge about N_PPS == 18.

> though I've tried with an unpatched ldattach and gotten equally nowhere.
> Getting the ATOM refclock to work with LinuxPPS -is- possible, right? 

Yes.

> So
> I'd like to make it work, too :D

Shortest route would be to use the ppsldisc tool.

> I tried running ppsldisc and ntpd and nothing really changed. I got
> positive system messages and my signal shows up in ntpq, but again, it
> never gets polled...

Strange.
Are you sure you killed all ldattach instances?

Udo



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