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      As an OKD user on x86-64, I can enable the realtime kernel as described in https://docs.openshift.com/container-platform/4.11/post_installation_configuration/machine-configuration-tasks.html#nodes-nodes-rtkernel-arguments_post-install-machine-configuration-tasks

       

      Additional Info: It's not clear to me if this is expected to work or not so I've put this in as a story. When I do this on 4.13.0-0.okd-scos-2023-06-13-094654 the MCD yields the following error.

      I0613 18:01:58.363343    2250 update.go:2010] Running: rpm-ostree cleanup -p
      Deployments unchanged.
      I0613 18:01:58.481312    2250 update.go:1865] No kernel overrides or replacement detected
      I0613 18:01:58.481345    2250 update.go:2025] Initiating switch to kernel realtime
      I0613 18:01:58.482801    2250 update.go:2010] Running: rpm-ostree override remove kernel kernel-core kernel-modules kernel-modules-core kernel-modules-extra --install kernel-rt-core --install kernel-rt-modules --install kernel-rt-modules-extra --install kernel-rt-kvm
      Checking out tree 642c42c...done
      I0613 18:01:59.518418    2250 update.go:2136] Rolling back applied changes to OS due to error: error running rpm-ostree override remove kernel kernel-core kernel-modules kernel-modules-core kernel-modules-extra --install kernel-rt-core --install kernel-rt-modules --install kernel-rt-modules-extra --install kernel-rt-kvm: error: No enabled repositories
      : exit status 1
      I0613 18:01:59.518443    2250 update.go:2010] Running: rpm-ostree cleanup -p
      Deployments unchanged.
       

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              Unassigned Unassigned
              rhn-support-sdodson Scott Dodson
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