The control-plane-machine-set-operator pod is in CrashLoopBackOff state during RHOCP 4 cluster upgrade to version 4.15

Solution Verified - Updated -

Issue

  • The control-plane-machine-set-operator pod is restarting multiple times with the following nil pointer runtime error while upgrading to OpenShift 4.15:

    "msg"="Observed a panic in reconciler: runtime error: invalid memory address or nil pointer dereference" "controller"="controlplanemachineset" "reconcileID"="3799e713-b2da-4a67-83c1-2541c1c9a57e"
panic: runtime error: invalid memory address or nil pointer dereference [recovered]
    panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0x1a5911c]

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4.15
  • Control Plane Machine Set
  • VMware vSphere

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