Node stuck in Ready,SchedulingDisabled while applying mc,error running rpm-ostree kargs

Solution Verified - Updated -

Issue

  • Node stuck in Ready,SchedulingDisabled while applying machineconfig
  • Nodes are reporting degraded status on sync
  • currentConfig Machine Configs kargs set do not match tuned.non_isolcpus
  • tuned.non_isolcpus is expecting it to be different prior to the Machine Config update

Logs

The node is reporting following error: \"error running rpm-ostree kargs --delete=skew_tick=1 --"

$ oc get mc 
pool is degraded because nodes fail with "1 nodes are reporting degraded status on sync": "Node ,Node_Name> is reporting: \"error running rpm-ostree kargs --delete=skew_tick=1 --delete=tuned.non_isolcpus=30000300,00300003 --delete=nosoftlockup --delete=tsc=nowatchdog --delete=intel_iommu=on --delete=iommu=pt --delete=isolcpus=managed_irq,2-19,22-39,42-59,62-79 --delete=systemd.cpu_affinity=0,1,40,41,20,21,60,61 --delete=default_hugepagesz=2M --delete=+ --delete=crashkernel=256M --append=skew_tick=1 --append=tuned.non_isolcpus=0000ffff,ffffffff,ffffffff --append=nosoftlockup --append=tsc=nowatchdog --append=intel_iommu=on --append=iommu=pt --append=default_hugepagesz=2M --append=+ --append=crashkernel=256M: exit status 1\\nerror: No karg 'tuned.non_isolcpus=30000300,00300003' found\\n\"

Environment

  • Red Hat OpenShift Container Platform 4.x

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