> -----Original Message-----
> From: Keller, Jacob E
> Sent: Wednesday, July 11, 2018 1:59 PM
> To: 'Maxime Lemonnier' <maxime.lemonn...@gmail.com>
> Cc: linuxptp-users@lists.sourceforge.net
> Subject: RE: [Linuxptp-users] Fwd: Stuck in the 70s: Need Help with 
> phc2sys/ptp4l
> 
> 
> 
> > -----Original Message-----
> > From: Maxime Lemonnier [mailto:maxime.lemonn...@gmail.com]
> > Sent: Wednesday, July 11, 2018 1:47 PM
> > To: Keller, Jacob E <jacob.e.kel...@intel.com>
> > Cc: linuxptp-users@lists.sourceforge.net
> > Subject: Re: [Linuxptp-users] Fwd: Stuck in the 70s: Need Help with
> > phc2sys/ptp4l
> >
> > Thanks Jake,
> >
> > You are right on the money. I changed the time by a few seconds and it
> worked.
> >
> 
> Given enough time, the 3minutes offset would also be corrected. It's likely 
> that
> you need to configure the phc2sys program, as this is the one actually tuning 
> the
> system clock.
> 
> Thanks,
> Jake

Specifically, you can use a configuration file, and specify the step_threshold 
to a non-zero value, which will cause phc2sys to jump the clock if the offset 
exceeds the threshold.

Thanks,
Jake
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