I am using following kernel version in development machine 3.10.0-rt56 #2 SMP PREEMPT RT Tue May 22 08:44:25 EDT 2018 x86_64 x86_64 x86_64 GNU/Linux
Hardware capbility of ethernet nic card [root@2-9 ~]# ethtool -T eth0 Time stamping parameters for eth0: Capabilities: software-receive (SOF_TIMESTAMPING_RX_SOFTWARE) software-system-clock (SOF_TIMESTAMPING_SOFTWARE) PTP Hardware Clock: none Hardware Transmit Timestamp Modes: none Hardware Receive Filter Modes: none [root@2-9 ~]# After installing started the ptp4l service [root@2-9 ~]# systemctl start ptp4l [root@2-9 ~]# systemctl status ptp4l â— ptp4l.service - Precision Time Protocol (PTP) service Loaded: loaded (/usr/lib/systemd/system/ptp4l.service; disabled; vendor preset: disabled) Active: failed (Result: exit-code) since Wed 2019-03-13 17:56:17 IST; 5s ago Process: 8939 ExecStart=/usr/sbin/ptp4l $OPTIONS (code=exited, status=255) Main PID: 8939 (code=exited, status=255) Syslog captured following log Mar 13 17:56:17 2-9.mavenir1.com systemd[1]: Started Precision Time Protocol (PTP) service. Mar 13 17:56:17 2-9.mavenir1.com systemd[1]: Starting Precision Time Protocol (PTP) service... Mar 13 17:56:17 2-9.mavenir1.com ptp4l[8939]: failed to create a clock Mar 13 17:56:17 2-9.mavenir1.com systemd[1]: ptp4l.service: main process exited, code=exited, status=255/n/a Mar 13 17:56:17 2-9.mavenir1.com systemd[1]: Unit ptp4l.service entered failed state. Mar 13 17:56:17 2-9.mavenir1.com systemd[1]: ptp4l.service failed. ar 13 17:54:16 2-9 systemd: Starting Session 2998 of user root. Mar 13 17:55:05 2-9 systemd: Reloading. Mar 13 17:55:05 2-9 kernel: hrtimer: interrupt took 10571539 ns Mar 13 17:56:17 2-9 systemd: Started Precision Time Protocol (PTP) service. Mar 13 17:56:17 2-9 systemd: Starting Precision Time Protocol (PTP) service... Mar 13 17:56:17 2-9 ptp4l: [1397593.140] interface 'eth0' does not support requested timestamping mode Mar 13 17:56:17 2-9 ptp4l: failed to create a clock Mar 13 17:56:17 2-9 systemd: ptp4l.service: main process exited, code=exited, status=255/n/a Mar 13 17:56:17 2-9 systemd: Unit ptp4l.service entered failed state. Mar 13 17:56:17 2-9 systemd: ptp4l.service failed. Any suggestion how ptp4l service can be started and also use software based timestamping for ptp protocol. Thanking you, Raveendra M
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