[ntp:questions] Re: PPS signal that's not synchronized with second boundaries

Ronan Flood ronan at noc.ulcc.ac.uk
Thu Jun 29 13:14:47 UTC 2006


John Pettitt <jpp at cloudview.com> wrote:

> It's ok if you let ntp manage the pps but if you use the kernel pps
> (at least in FreeBSD) ntp doesn't tell the kernel about the offset
> so it locks to the pps edge not the real boundary.  There is a patch
> in an open bug for the nmea driver that would also work for the pps
> driver but nobody seem interested in folding it in.

You probably need to open a separate bug for refclock_atom.
A similar problem in refclock_parse has recently been fixed.

-- 
                      Ronan Flood <R.Flood at noc.ulcc.ac.uk>
                        working for but not speaking for
             Network Services, University of London Computer Centre
     (which means: don't bother ULCC if I've said something you don't like)




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