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  1. OpenShift Bugs
  2. OCPBUGS-33483

Layering a kernel breaks the MCO

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: Undefined Undefined
    • None
    • 4.16
    • RHCOS
    • Important
    • No
    • 1
    • 254 - Core Packages, 255 - Core Packages
    • 2
    • Approved
    • False
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    • This fix, only applies when layering a kernel using CoreOS Layering. This will ensure that this functionality keeps working between 4.15 and 4.16.
    • Bug Fix
    • In Progress

      Description of problem:

      If a user tries to override the kernel using the CoreOS layering docs (https://docs.openshift.com/container-platform/4.15/post_installation_configuration/coreos-layering.html), the container will build but the MCO will later fail because enabling cliwrap triggers https://issues.redhat.com/browse/OCPBUGS-30149.

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

      4.16

      How reproducible:

      All the time

      Steps to Reproduce:

          1. In an OCP cluster, following the CoreOS layering docs to override the kernel and deploy it to a node.
          

      Actual results:

          The MCO breaks on https://issues.redhat.com/browse/OCPBUGS-30149

      Expected results:

          The MCO doesn't break on https://issues.redhat.com/browse/OCPBUGS-30149

      Additional info:

          This should be fixed by https://github.com/coreos/rpm-ostree/pull/4950 (and removing the `cliwrap` step from the documentation. So we just need to backport that to 4.16.

              rhn-support-jmarrero Joseph Marrero Corchado
              jlebon1@redhat.com Jonathan Lebon
              Aashish Radhakrishnan Aashish Radhakrishnan
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                Created:
                Updated: