[libvirt-users] failure when trying to add a channel device via virsh attach-device

[Jean-Pierre Ribeauville]

Hi,
On a KVM host installed with following packages versions  :

[root at rhel6-roadster test_channels_OK]# rpm -qa | grep libvirt
libvirt-devel-0.10.2-29.el6.x86_64
libvirt-0.10.2-29.el6.x86_64
libvirt-client-0.10.2-29.el6.x86_64
libvirt-java-0.4.9-1.el6.noarch
libvirt-java-devel-0.4.9-1.el6.noarch
libvirt-python-0.10.2-29.el6.x86_64
[root at rhel6-roadster test_channels_OK]# rpm -qa | grep qemu
qemu-kvm-0.12.1.2-2.415.el6.x86_64
gpxe-roms-qemu-0.9.7-6.10.el6.noarch
qemu-img-0.12.1.2-2.415.el6.x86_64
[root at rhel6-roadster test_channels_OK]# virsh --version
0.10.2
[root at rhel6-roadster test_channels_OK]#


When trying to add a channel device via virsh attach-device , I got following errors :

<channel type='unix'>
      <source mode='bind' path='//var/lib/libvirt/qemu/omnivision_123456.agent'/>
      <target type='virtio' name='omnivision_123456.agent' state='disconnected'/>
      <alias name='channel_OmniVision'/>
      <address type='virtio-serial' controller='0' bus='0' port='30'/>
</channel>


Guest is off :


[root at rhel6-roadster test_channels_OK]# virsh attach-device Linux_2  add_channel_device.xml
error: Failed to attach device from add_channel_device.xml
error: Requested operation is not valid: cannot do live update a device on inactive domain
[root at rhel6-roadster test_channels_OK]#


Guest is running :

[root at rhel6-roadster test_channels_OK]# virsh attach-device Linux_2  add_channel_device.xml
error: Failed to update device from add_channel_device.xml
error: XML error: unknown device type
[root at rhel6-roadster test_channels_OK]


Did I miss something ?

Thanks for help.


J.P. Ribeauville


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