During a load test on a RHEL-based RHEV host, the Windows virtual machines appeared to freeze with an error message in the /var/log/libvirt/qemu/guestName.log (where guestName is the name of the Virtual Machine shown in the RHEV Admin Portal). The error message is:
virtio_ioport_write: unexpected address 0x13 value 0x0
- Red Hat Enterprise Virtualization (RHEV) 3.1
- Guest: Windows 7
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