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  1. OpenShift Bugs
  2. OCPBUGS-25668

day0 / day2 rendering differences in kernel arguments

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      Description of problem:

      Performance profile and tuned patch rendering on Day 0 provides a duplicated set of kernel arguments
      
      "systemd.legacy_systemd_cgroup_controller=1",
      "systemd.unified_cgroup_hierarchy=0",
      "systemd.legacy_systemd_cgroup_controller=1",
      "systemd.unified_cgroup_hierarchy=0",

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

          4.15 nightly/ci/stable

      How reproducible:

          100%

      Steps to Reproduce:

      1. Deploy a cluster with performance profile and tuned patch deployed on day-0 as extra-manifests. The openshift release must include the changes made for CNF-10170 for example built with clusterbot as

      build openshift/installer#7848
      

      2. The SNO cluster will fail to install with error 
      \"rendered-master-fcf20a4afdc64f366ff44a8bbbab203c\" not found"
      and MCP master degraded
      3. Download from the node missing rendered day-0 machineconfig from /etc/mcs-machine-config-content.json
      4. Reinstall the cluster without performance profile / tuned patch and apply them on day 2
      5. Take rendered machineconfig and compare to the one from step 3

      Actual results:

      "systemd.legacy_systemd_cgroup_controller=1",
      "systemd.unified_cgroup_hierarchy=0",
      "systemd.legacy_systemd_cgroup_controller=1",
      "systemd.unified_cgroup_hierarchy=0",

      Expected results:
      "systemd.legacy_systemd_cgroup_controller=1",
      "systemd.unified_cgroup_hierarchy=0",

      Additional info:

       

            Unassigned Unassigned
            vgrinber@redhat.com Vitaly Grinberg
            Gaoyun Pei Gaoyun Pei
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              Created:
              Updated:
              Resolved: