[libvirt] Not able to run "virsh qemu-agent-command" when socat is working

Puneet Bakshi bakshi.puneet at gmail.com
Wed Jul 2 07:13:20 UTC 2014


I am running qemu guest agent in Windows 2k8. I am able to execute
"qemu-agent-commands" using socat but not through "virsh

*Guest VM xml*

    <controller type='virtio-serial' index='0'>
      <alias name='virtio-serial0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x05'

    <channel type='unix'>
      <source mode='bind' path='/var/lib/libvirt/qemu/g06.agent'/>
      <target type='virtio' name='org.qemu.guest_agent.1'/>
      <alias name='channel0'/>
      <address type='virtio-serial' controller='0' bus='0' port='1'/>

*Guest win2k8 is running following command*

    C:\qemu-ga> qemu-ga.exe -t c:\qemu-ga -p

*Host CentOS system*

socat returns response appropriately.
    [root at sdsr720-14 ~]# echo "{'execute':'guest-ping'}" | socat
stdio,ignoreeof /var/lib/libvirt/qemu/g06.agent
    {"return": {}}

*"virsh qemu-agent-command" returns blank.*

    [root at sdsr720-14 ~]# virsh qemu-agent-command vm_win_06 '{ "execute":

    [root at sdsr720-14 ~]#

Why "virsh qemu-agent-command" is not working? Am I doing something wrong

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