hi,
Observing below error once in while in the ptp log messages:
Feb 1 15:37:48 k8s-worker-0 phc2sys: phc2sys[543830.623]: CLOCK_REALTIME phc
offset -13 s2 freq -81987 delay 527Feb 1 15:37:48 k8s-worker-0
phc2sys: phc2sys[543830.623]: /dev/ptp7 phc offset 3 s2 freq +1312
delay 3558Feb 1 15:37:48 k8s-worker-0 ptp4l: ptp4l[543830.952]: clockcheck:
clock jumped backward or running slower than expected!Feb 1 15:37:48
k8s-worker-0 ptp4l: ptp4l[543830.952]: port 1: SLAVE to UNCALIBRATED on
SYNCHRONIZATION_FAULTFeb 1 15:37:49 k8s-worker-0 ptp4l: ptp4l[543831.203]:
clockcheck: clock jumped backward or running slower than expected!Feb 1
15:37:49 k8s-worker-0 ptp4l: ptp4l[543831.203]: rms 4 max 10 freq +4493
+/- 4 delay 190 +/- 0Feb 1 15:37:49 k8s-worker-0 ptp4l:
ptp4l[543831.203]: port 1: received SYNC without timestampFeb 1 15:37:49
k8s-worker-0 ptp4l: ptp4l[543831.233]: port 1: UNCALIBRATED to SLAVE on
MASTER_CLOCK_SELECTEDFeb 1 15:37:49 k8s-worker-0 ptp4l: ptp4l[543831.361]:
clockcheck: clock jumped forward or running faster than expected!Feb 1
15:37:49 k8s-worker-0 ptp4l: ptp4l[543831.361]: port 1: SLAVE to UNCALIBRATED
on SYNCHRONIZATION_FAULTFeb 1 15:37:49 k8s-worker-0 ptp4l: ptp4l[543831.557]:
port 1: UNCALIBRATED to SLAVE on MASTER_CLOCK_SELECTEDFeb 1 15:37:49
k8s-worker-0 phc2sys: phc2sys[543831.623]: CLOCK_REALTIME phc offset 6
s2 freq -81972 delay 527Feb 1 15:37:49 k8s-worker-0 phc2sys: [543831.623]
CLOCK_REALTIME phc offset 6 s2 freq -81972 delay 527Feb 1 15:37:49
k8s-worker-0 phc2sys: phc2sys[543831.623]: /dev/ptp7 phc offset 14 s2
freq +1323 delay 3562
ptp config file as below values for freq:
max_frequency 900000000clock_servo pisanity_freq_limit 200000000
Please suggest what could be wrong here?
Regards,Ramesh
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