Clocksource messages are observed in RHEL 9.0

Solution In Progress - Updated -

Issue

  • On server running with RHEL 9.0, the following clocksource related messages are observed in dmesg:
clocksource: timekeeping watchdog on CPU69: hpet wd-wd read-back delay of 95240ns
Line 2500: [   35.098828] clocksource: wd-tsc-wd read-back delay of 134040ns, clock-skew test skipped!
clocksource: wd-tsc-wd read-back delay of 134040ns, clock-skew test skipped!
  • What do these messages mean?
  • Can these messages be ignored?

Environment

  • Red Hat Enterprise Linux (RHEL) 9.0
  • kernel-5.14.0-70.13.1.el9_0

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