[RHV] TSC frequency mismatch between hosts blocks High Performance VM migrations

Solution In Progress - Updated -

Issue

A High Performance VM cannot be migrated even if "Migrate only to hosts with the same TSC frequency" and "Pass-Through Host CPU" options are not checked.

Environment

  • Red Hat Virtualization (RHV) 4.4.4
  • Hosts with different CPU models but with the invtsc flag.
  • High Performance VM
  • VM option "Migrate only to hosts with the same TSC frequency" disabled.
  • VM option "Pass-Through Host CPU" disabled.

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