ptp-operator system Clock and PHC will not Sync to PTP Leader Clock in RHOCP 4

Solution Verified - Updated -

Issue

  • The PHC on the NIC is not going in sync with the Leader (Master interface).
  • Larger RMS/offset values in the PTP hardware when compared with Master
  • Ordinary clock device configured as slave presents constant offset from the Master clock
  • Offset in PTP hardware time being synced from master of ~30 sec:

    # phc_ctl ens1f2  get;date;pmc -u -b 0 'GET TIME_STATUS_NP' -f /var/run/ptp4l.0.config
    phc_ctl[388424.545]: clock time is 1644978055.919914874 or Wed Feb 16 02:20:55 2022
    Wed Feb 16 02:20:18 UTC 2022
    

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    o 4.8
  • PTP-Operator

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content