phc2sys: ioctl PTP_SYS_OFFSET_EXTENDED: Device or resource busy

Solution In Progress - Updated -

Issue

  • phc2sys is exiting with these errors:
Apr 25 10:18:38 localhost phc2sys[3228834]: phc2sys[1194475.374]: ioctl PTP_SYS_OFFSET_EXTENDED: Device or resource busy
Apr 25 10:18:38 localhost kernel: ice 0000:16:00.0: PTP failed to get time
Apr 25 10:18:38 localhost phc2sys[3228834]: [1194475.374] ioctl PTP_SYS_OFFSET_EXTENDED: Device or resource busy
Apr 25 10:18:38 localhost systemd[1]: phc2sys.service: Main process exited, code=exited, status=255/n/a
Apr 25 10:18:38 localhost systemd[1]: phc2sys.service: Failed with result 'exit-code'.

Environment

  • Red Hat Enterprise Linux (RHEL) 8
  • linuxptp-3.1.1-1

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