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  1. OpenShift Bugs
  2. OCPBUGS-17912

[openshift 4.15] KCM crashes when Topology cache's HasPopulatedHints method attempts concurrent map access

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • Icon: Critical Critical
    • 4.15.0
    • 4.15.0
    • kube-controller-manager
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      Description of problem:

      KCM crashes when Topology cache's HasPopulatedHints method attempts concurrent map access

Miciah has started working on the upstream fix and we need to bring in the changes into openshift/kubernetes as soon as we can

https://redhat-internal.slack.com/archives/C01CQA76KMX/p1684876782205129 for more context

      Version-Release number of selected component (if applicable):

       

      How reproducible:

      CI 4.14 upgrade jobs run into this problem quite often: https://search.ci.openshift.org/?search=pkg%2Fcontroller%2Fendpointslice%2Ftopologycache%2Ftopologycache.go&maxAge=48h&context=1&type=bug%2Bissue%2Bjunit&name=&excludeName=&maxMatches=5&maxBytes=20971520&groupBy=job

      Steps to Reproduce:

       

      Actual results:

      KCM crashing

      Expected results:

      KCM not crashing

      Additional info:

       

              fkrepins@redhat.com Filip Krepinsky
              fkrepins@redhat.com Filip Krepinsky
              ying zhou ying zhou
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                Created:
                Updated:
                Resolved: