[Linuxptp-users] system1: ptp4l master offset continues to climb: step_threshold 1

[Harold L. <hla...@pi...>]

To Whom It May Concern,

Have a multi-system configuration and on one of the systems 'ptp4l master offset' continues to climb with 'step_theshold 1', might there be some other configuration parameter I am over-looking ?

Thanks,
Harold

system:

               ptp4l.conf:

                              root@zx3-pm3-zynq7:~# cat /usr/bin/ptp4l.conf
                              [global]
                              verbose 1
                              step_threshold 1
                              use_syslog 0
                              [eth0]


               ptp4l:

                              root@zx3-pm3-zynq7:~# /usr/bin/ptp4l -f /usr/bin/ptp4l.conf &

                              ptp4l[4477.362]: port 1: INITIALIZING to LISTENING on INITIALIZE
                              ptp4l[4477.363]: port 0: INITIALIZING to LISTENING on INITIALIZE
                              ptp4l[4478.668]: port 1: new foreign master 000a35.fffe.01225c-1
                              ptp4l[4482.668]: selected best master clock 000a35.fffe.01225c
                              ptp4l[4482.668]: port 1: LISTENING to UNCALIBRATED on RS_SLAVE
                              ptp4l[4484.392]: master offset   -2756145 s0 freq -3910000 path delay     30485
                              ptp4l[4485.393]: master offset   -2767595 s1 freq -3910000 path delay     30485
                              ptp4l[4486.393]: master offset     -11892 s2 freq -3910000 path delay     30485
                              ptp4l[4486.393]: port 1: UNCALIBRATED to SLAVE on MASTER_CLOCK_SELECTED
                              ptp4l[4487.393]: master offset     -23642 s2 freq -3910000 path delay     30485
                              ptp4l[4488.393]: master offset     -34899 s2 freq -3910000 path delay     30485
                              ptp4l[4489.393]: master offset     -47149 s2 freq -3910000 path delay     30485
                              ptp4l[4490.393]: master offset     -57433 s2 freq -3910000 path delay     29612
                              ptp4l[4491.394]: master offset     -69590 s2 freq -3910000 path delay     29368
                              ptp4l[4492.394]: master offset     -81961 s2 freq -3910000 path delay     29612
                              ptp4l[4493.394]: master offset     -93790 s2 freq -3910000 path delay     29612
                              ptp4l[4494.394]: master offset    -106627 s2 freq -3910000 path delay     29368



               phc2sys:

                              phc2sys[4598.771]: port 00214a.fffe.000003-1 changed state
                              phc2sys[4598.772]: reconfiguring after port state change
                              phc2sys[4598.773]: selecting CLOCK_REALTIME for synchronization
                              phc2sys[4598.773]: selecting eth0 as the master clock
                              phc2sys[4598.773]: phc offset -10536165 s0 freq   +3833 delay   2814
                              phc2sys[4599.774]: phc offset -10517174 s1 freq  +22810 delay   2838
                              phc2sys[4600.774]: phc offset    -22424 s2 freq    +386 delay   2769
                              phc2sys[4601.775]: phc offset    -22820 s2 freq   -6737 delay   2841
                              phc2sys[4602.775]: phc offset    -16038 s2 freq   -6801 delay   2787
                              phc2sys[4603.775]: phc offset     -9142 s2 freq   -4717 delay   2829
                              phc2sys[4604.776]: phc offset     -4444 s2 freq   -2761 delay   2802
                              phc2sys[4605.776]: phc offset     -1673 s2 freq   -1324 delay   2817
                              phc2sys[4606.777]: phc offset      -312 s2 freq    -465 delay   2775
                              phc2sys[4607.777]: phc offset       149 s2 freq     -97 delay   2835
                              phc2sys[4608.778]: phc offset       297 s2 freq     +96 delay   2802
                              phc2sys[4609.778]: phc offset       197 s2 freq     +85 delay   2799
                              phc2sys[4610.778]: phc offset       137 s2 freq     +84 delay   2790
                              phc2sys[4611.779]: phc offset        63 s2 freq     +51 delay   2811
                              phc2sys[4612.779]: phc offset        49 s2 freq     +56 delay   2754
                              phc2sys[4613.780]: phc offset       -20 s2 freq      +1 delay   2814
                              phc2sys[4614.780]: phc offset        35 s2 freq     +50 delay   2787
                              phc2sys[4615.441]: phc offset        -7 s2 freq     +19 delay   2754