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  1. OpenShift Bugs
  2. OCPBUGS-61728

PinnedImageSets test failing often on vsphere

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      (Feel free to update this bug's summary to be more specific.)
      Component Readiness has found a potential regression in the following test:

      [Suite:openshift/machine-config-operator/disruptive][Suite:openshift/conformance/serial][sig-mco][OCPFeatureGate:PinnedImages][OCPFeatureGate:MachineConfigNodes][Serial] Invalid PIS leads to degraded MCN in a standard Pool [apigroup:machineconfiguration.openshift.io]

      Test has a 66.67% pass rate, but 95.00% is required.

      Sample (being evaluated) Release: 4.20
      Start Time: 2025-09-08T00:00:00Z
      End Time: 2025-09-15T08:00:00Z
      Success Rate: 66.67%
      Successes: 8
      Failures: 4
      Flakes: 0
      Base (historical) Release: 4.19
      Start Time: 2025-05-18T00:00:00Z
      End Time: 2025-06-17T23:59:59Z
      Success Rate: 0.00%
      Successes: 0
      Failures: 0
      Flakes: 0

      View the test details report for additional context.

      Could be related to https://issues.redhat.com/browse/OCPBUGS-60656 but it looks distinct enough to qualify for a new bug I think.

      It's the only thing failing in otherwise healthy job runs.

      Failure looks like:

      [Suite:openshift/machine-config-operator/disruptive][Suite:openshift/conformance/serial][sig-mco][OCPFeatureGate:PinnedImages][OCPFeatureGate:MachineConfigNodes][Serial] Invalid PIS leads to degraded MCN in a standard Pool [apigroup:machineconfiguration.openshift.io] expand_less 	2m10s
{  fail [github.com/openshift/origin/test/extended/machine_config/pinnedimages.go:492]: Error occured while waiting for PinnedImageSetsDegraded=True: MCN 'ci-op-scih3vdx-9315e-zb86cms-zeroed-test-4dhjt' PinnedImageSetsDegraded condition was not True: machineconfignodes.machineconfiguration.openshift.io "ci-op-scih3vdx-9315e-zb86cms-zeroed-test-4dhjt" not found
Unexpected error:
    <*errors.errorString | 0xc007abad20>: 
    MCN 'ci-op-scih3vdx-9315e-zb86cms-zeroed-test-4dhjt' PinnedImageSetsDegraded condition was not True: machineconfignodes.machineconfiguration.openshift.io "ci-op-scih3vdx-9315e-zb86cms-zeroed-test-4dhjt" not found
    {
        s: "MCN 'ci-op-scih3vdx-9315e-zb86cms-zeroed-test-4dhjt' PinnedImageSetsDegraded condition was not True: machineconfignodes.machineconfiguration.openshift.io \"ci-op-scih3vdx-9315e-zb86cms-zeroed-test-4dhjt\" not found",
    }
occurred}

      Critical signal to clear for 4.20 this week, marking release blocker.

      Filed by: dgoodwin@redhat.com

              rhn-support-ngirard Neil Girard
              openshift-trt OpenShift Technical Release Team
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                Created:
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