MS Windows XP guests on KVM using SPICE display become unresponsive

Solution Unverified - Updated -


  • Microsoft Windows XP guests on KVM that are using the SPICE display (QXL virtual video device) in a Red Hat Enterprise Virtualization 3.1 environment can become unresponsive, up to the point that they are even unable to respond to a manually injected/forced virtual NMI (non-maskable interrupt).


  • Red Hat Enterprise Virtualization 3.1
  • Red Had Enterprise Virtualization Hypervisor 6.4 with qemu-kvm- and spice-server-0.12.0-12.el6.x86_64
  • Windows XP guest drivers from virtio-win-1.6.4-1.el6_4.noarch

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