RHV: fail to start Virtual Machine on Power: Requested count cache flush assist capability level not supported by kvm, try appending -machine cap-ccf-assist=off.

Solution Verified - Updated -

Issue

  • Cannot start any Virtual Machines on IBM Power hypervisors:
 Requested count cache flush assist capability level not supported by kvm

Environment

  • Red Hat Virtualization 4.3, 4.4
  • IBM POWER9

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