machine-config operator is stuck in degraded state with an error: 'controller version mismatch'

Solution Verified - Updated -


  • While performing a minor cluster upgrade, the machine-config operator is stuck in degraded state and shows below error:
message: 'Unable to apply 4.6.x: timed out waiting for the condition during syncRequiredMachineConfigPools:
    pool master has not progressed to latest configuration: controller version mismatch
    for 99-master-24b27cf6-e56e-4e54-9e03-ba3d8c7bf38f-registries expected 
    has cdce2822a6b3bff31b5aafc23b773f7dcbea2caa: all 3 nodes are at latest configuration
    rendered-master-cdb79b321ae2810fc8bac1e3ecd1af5f, retrying'


  • Red Hat OpenShift Container Platform
    • 4.6.x

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