Hi, The command I am trying to run is *sudo ptp4l -i eth0 -m -S* The response I am seeing is: port 1 (eth0): send sync failed ptp4l[687780.178]: port 1 (eth0): MASTER to FAULTY on FAULT_DETECTED (FT_UNSPECIFIED) ptp4l[687796.179]: port 1 (eth0): FAULTY to LISTENING on INIT_COMPLETE ptp4l[687803.557]: port 1 (eth0): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[687803.557]: port 1 (eth0): assuming the grand master role ptp4l[687804.567]: timed out while polling for tx timestamp ptp4l[687804.568]: increasing tx_timestamp_timeout may correct this issue, but it is likely caused by a driver bug ptp4l[687804.568]: port 1 (eth0): send sync failed ptp4l[687804.568]: port 1 (eth0): MASTER to FAULTY on FAULT_DETECTED (FT_UNSPECIFIED) ptp4l[687820.568]: port 1 (eth0): FAULTY to LISTENING on INIT_COMPLETE ptp4l[687826.779]: port 1 (eth0): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES ptp4l[687826.780]: port 1 (eth0): assuming the grand master role ptp4l[687827.790]: timed out while polling for tx timestamp ptp4l[687827.790]: increasing tx_timestamp_timeout may correct this issue, but it is likely caused by a driver bug ptp4l[687827.790]: port 1 (eth0): send sync failed ptp4l[687827.790]: port 1 (eth0): MASTER to FAULTY on FAULT_DETECTED (FT_UNSPECIFIED)
My system is an Ubuntu 20.04 VM hosted on MS Azure. If I disable the -S flag and run the ptp4l on HW mode for the other interface of my system, it works fine. *sudo ptp4l -i enP48399s1 -m* This interface does not support the -S flag. So, I am trying the -S flag on the other existing interface eth0. Do you have any suggestions on how to make the SW PTP run on the eth0 interface? *Prottay M. AdhikariDistributed Embedded Controls Specialist @* Eaton Center of Excellence *Ph.D. *(Electrical Engineering, Rensselaer Polytechnic Institute),
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