<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">I have configured the kvm and edit the xml as below, however there are an error when I want to run the guest.  The error as follows:<br><br>virsh create libvirt.xml <br><br>
error: Failed to create domain from libvirt-test.xml<br>
error: XML description for unknown target type for character device: virtio is not well formed or invalid<br><br><br>Please help me to solve this problem.<br><br>############################################################<br><domain type='kvm'><br>    <name>i-5E36098H</name><br>    <os><br>    <type>hvm</type><br>          <kernel>/opt/eucalyptus-data/suria/i-5E36098H/kernel</kernel><br>        <initrd>/opt/eucalyptus-data/suria/i-5E36098H/ramdisk</initrd><br> <cmdline>root=LABEL=root console=ttyS0</cmdline><br>    </os><br>    <features><br>        <acpi/><br>    </features><br>   
 <memory>13107200</memory><br>    <vcpu>1</vcpu><br>    <devices><br>        <emulator>/usr/bin/kvm</emulator><br>        <disk type='file'><br>            <source file='/opt/eucalyptus-data/suria/i-5E36098H/disk'/><br>            <target dev='vda' bus='virtio'/><br>        </disk><br><br>        <interface type='network'><br>            <source network='default'/><br>            <mac address='d0:0d:45:D2:08:01'/><br>           
 <model type='virtio'/><br>        </interface><br><br>        <controller type='ide' index='0'/><br>                <controller type='virtio-serial' index='0' ports='16' vectors='4'/><br>                <controller type='virtio-serial' index='1'><br>                <address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/><br>        </controller><br><br>        <parallel type='pty'><br>                <source
 path='/dev/pts/2'/><br>                <target port='0'/><br>        </parallel><br><br>        <serial type='pty'><br>                <source path='/dev/pts/3'/><br>                <!-- <source mode='bind' path='/var/lib/libvirt/qemu/va-i-5E36098H-isa.sock'/>--><br>                <target type='virtio' port='0'/><br>        </serial><br><br>        <console type='pty'><br>               
 <source path='/dev/pts/4'/><br>                <target type='virtio' port='0'/><br>        </console><br><br>        <channel type='pty'><br>                <source mode='bind' path='/var/lib/libvirt/qemu/va-i5E36098H-virtio.sock'/><br>                <target type='virtio' name='org.qemu.guest_agent.0'/><br>                <address type='virtio-serial' controller='0' bus='0' port='0'/><br>        </channel><br><br>         <graphics type='vnc' port='-1'
 autoport='yes' keymap='en-us'/><br>    </devices><br><br>########################################################################<br><br><br></td></tr></table>