RHV 4.0: VM migrations failing on RHEL 7.3 hosts with Intel X710/XL710 NICs

Solution Verified - Updated -

Issue

  • Since upgrading hosts to RHEL 7.3, all VMs fail to migrate.

  • journald log on the source host contains;

    2016-12-22T10:42:21.160928Z qemu-kvm: Unknown combination of migration flags: 0
    2016-12-22T10:42:21.160973Z qemu-kvm: error while loading state section id 2(ram)
    2016-12-22T10:42:21.161423Z qemu-kvm: load of migration failed: Invalid argument
  • qemu log on the destination host contains;
2016-12-22T10:42:21.160928Z qemu-kvm: Unknown combination of migration flags: 0
2016-12-22T10:42:21.160973Z qemu-kvm: error while loading state section id 2(ram)
2016-12-22T10:42:21.161423Z qemu-kvm: load of migration failed: Invalid argument

Environment

  • Red Hat Virtualization (RHV) 4.0.4
  • Red Hat Enterprise Linux (RHEL) 7.3 hosts with Intel X710/XL710 NIC.
  • Red Hat Virtualization Hypervisor (RHV-H) 4.0.5 with Intel X710/XL710 NIC;
    • vdsm-4.18.15.3-1.el7
    • libvirt-2.0.0-10.el7
    • qemu-kvm-rhev-2.6.0-27.el7

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