[libvirt-users] virtio_ioport_write: unexpected address

[denghuancong]

the guest is normally running, but the qemu log is printing the following message:

what happen?

thanks a lot.

virtio_ioport_write: unexpected address 0x13 value 0x0
virtio_ioport_write: unexpected address 0x13 value 0x0
virtio_ioport_write: unexpected address 0x13 value 0x0
virtio_ioport_write: unexpected address 0x13 value 0x0
virtio_ioport_write: unexpected address 0x13 value 0x0
virtio_ioport_write: unexpected address 0x13 value 0x0
virtio_ioport_write: unexpected address 0x13 value 0x0
virtio_ioport_write: unexpected address 0x13 value 0x0
virtio_ioport_write: unexpected address 0x13 value 0x0
virtio_ioport_write: unexpected address 0x13 value 0x0
virtio_ioport_write: unexpected address 0x13 value 0x0
virtio_ioport_write: unexpected address 0x13 value 0x0
virtio_ioport_write: unexpected address 0x13 value 0x0
virtio_ioport_write: unexpected address 0x13 value 0x0
virtio_ioport_write: unexpected address 0x13 value 0x0
virtio_ioport_write: unexpected address 0x13 value 0x0
virtio_ioport_write: unexpected address 0x13 value 0x0