Hi, I've started getting into this issue too on one of my test computers
(Jetson TX2 + Orbitty Carrier running Ubuntu 18.04). I usually "resolve"
it by rebooting the computer. After a fresh reboot, software
timestamping works.
Does a reboot help in your case?
Martin
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?
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