Yo Miroslav! On Wed, 13 May 2020 08:55:11 +0200 Miroslav Lichvar <mlich...@redhat.com> wrote:
> On Tue, May 12, 2020 at 08:33:28PM -0700, Gary E. Miller wrote:
> > If I run the masster is software mode, and the slave in hardware
> > mode like this:
> >
> > ptp4l -i eno2 -s --clock_servo ntpshm --ntpshm_segment 2
> >
> > I get this in the slave ntpd log:
> >
> > 2020-05-12T20:27:54 ntpd[9090]: SHM(2): stale/bad receive time,
> > delay=18s
> >
> > Any ideas how to run in hardware mode and get ntpd/shm to work?
>
> ntpd expects samples relative to the system clock, so feeding it
> samples relative to the NIC clock from ptp4l won't work.
Yeah, clearly broken. Why would ptp4l ever send anything to ntpd that
ntpd can not understand? At least give a warning or error.
> There needs
> to be phc2sys measuring the offset between the two clocks.
How would I do that? Got a sample command line?
> The
> timemaster program can show you the right configuration
I gave up on timemaster, it is doing too many things that are not
compatible with my setup.
> or run the programs.
Run which programs? Got a sample command line?
RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
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