On Tue, Apr 27, 2021 at 11:55:26PM +0200, Chris Rajula wrote:
> I've also written a small program which executes 'clock_gettime' on all my
> clocks at a 60Hz rate and prints the tv_sec and tv_nsec variables, and this
> program has the same behavior - i.e. it does not show any
> re-synchronization after executing 'phc_ctl /dev/ptp0 set 1337.0' on the
> master.
> 
> Is my understanding incorrect? Is it not possible to achieve automatic
> re-synchronization if the master's clock jumps in time?

I guess the offset is corrected slowly by slewing instead of stepping.
Have you set the step_threshold option for ptp4l and -S for phc2sys?

-- 
Miroslav Lichvar



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