RHV: Virtual Machine does not start on 4.4 Cluster Level with Icelake CPU

Solution Verified - Updated -


  • Virtual Machine fails to run with:
2020-12-21 14:50:17,287+10 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (ForkJoinPool-1-worker-15) [2e88d0d] EVENT_ID: VM_DOWN_ERROR(119), VM Test-VM is down with error. Exit message: the CPU is incompatible with host CPU: Host CPU does not provide required features: mpx.


  • Red Hat Virtualization 4.4.3
    • ovirt-engine-
    • Cluster Compatibility Level set to 4.4
    • Cluster CPU set to Icelake

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