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Bug
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Resolution: Done
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Major
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4.20.0
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Quality / Stability / Reliability
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False
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None
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None
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None
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None
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Proposed
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None
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In Progress
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Release Note Not Required
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None
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This is a clone of issue OCPBUGS-57325. The following is the description of the original issue:
—
(Feel free to update this bug's summary to be more specific.)
Component Readiness has found a potential regression in the following test:
[sig-cluster-lifecycle][Feature:Machines][Serial] Managed cluster should grow and decrease when scaling different machineSets simultaneously [Timeout:30m][apigroup:machine.openshift.io] [Suite:openshift/conformance/serial]
Significant regression detected.
Fishers Exact probability of a regression: 99.96%.
Test pass rate dropped from 100.00% to 91.18%.
Sample (being evaluated) Release: 4.19
Start Time: 2025-06-04T00:00:00Z
End Time: 2025-06-11T08:00:00Z
Success Rate: 91.18%
Successes: 31
Failures: 3
Flakes: 0
Base (historical) Release: 4.16
Start Time: 2024-05-28T00:00:00Z
End Time: 2024-06-27T00:00:00Z
Success Rate: 100.00%
Successes: 60
Failures: 0
Flakes: 0
View the test details report for additional context.
We picked this up on 4.19, it's just barely over the min threshold with 3 failures, one of which is unrelated but the other two show clearly the test probably needs a retry implemented:
[sig-cluster-lifecycle][Feature:Machines][Serial] Managed cluster should grow and decrease when scaling different machineSets simultaneously [Timeout:30m][apigroup:machine.openshift.io] [Suite:openshift/conformance/serial] expand_less 3m12s
{ fail [github.com/openshift/origin/test/extended/machines/scale.go:291]: Unexpected error:
<*errors.errorString | 0xc0015c9360>:
failed to update machine "ci-op-xxjg6p4t-a7f50-pzmpg-worker-0-4bcmw": Operation cannot be fulfilled on machines.machine.openshift.io "ci-op-xxjg6p4t-a7f50-pzmpg-worker-0-4bcmw": the object has been modified; please apply your changes to the latest version and try again
{
s: "failed to update machine \"ci-op-xxjg6p4t-a7f50-pzmpg-worker-0-4bcmw\": Operation cannot be fulfilled on machines.machine.openshift.io \"ci-op-xxjg6p4t-a7f50-pzmpg-worker-0-4bcmw\": the object has been modified; please apply your changes to the latest version and try again",
}
occurred
Ginkgo exit error 1: exit with code 1}
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- is blocked by
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