[RHV] [Power8] Can not start VM becasue of "Failed to allocate KVM HPT"

Solution Verified - Updated -

Issue

  • The Virtual Machines failed to start.
  • Error message registered in the events log window:

    "qemu-kvm: Failed to allocate KVM HPT of order 26: Cannot allocate memory#012Try smaller maxmem?"
    

Environment

  • IBM Power 8 Processor (ppc64le)
  • Red Hat Virtualization (RHV) for IBM Power 4.4.6
    • kernel-4.18.0-240.el8.ppc64le
    • ovirt-host-4.4.6-1.el8ev.ppc64le

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