On Wed, Aug 15, 2012 at 10:03:44AM +0000, Itzik Brown wrote:
> Hi,
>
> I installed vdsm latest git version.
> When trying to hotplug a new NIC the operation fails.
>
> Here are some lines from vdsmd.log
>
> Thread-480::DEBUG::2012-08-15
> 11:50:52,150::libvirtvm::1398::vm.Vm::(hotplugNic)
> vmId=`54028863-6910-44ac-a843-a61083e65b70`::Hotplug NIC xml: <interface
> type="bridge">
> <mac address="00:1a:4a:1e:31:0c"/>
> <model type="virtio"/>
> <source bridge="ovirtmgmt"/>
> </interface>
>
> Thread-480::ERROR::2012-08-15
> 11:50:52,297::libvirtvm::1403::vm.Vm::(hotplugNic)
> vmId=`54028863-6910-44ac-a843-a61083e65b70`::Hotplug failed
> Traceback (most recent call last):
> File "/usr/share/vdsm/libvirtvm.py", line 1401, in hotplugNic
> self._dom.attachDevice(nicXml)
> File "/usr/share/vdsm/libvirtvm.py", line 487, in f
> ret = attr(*args, **kwargs)
> File "/usr/lib64/python2.7/site-packages/vdsm/libvirtconnection.py", line
> 82, in wrapper
> ret = f(*args, **kwargs)
> File "/usr/lib64/python2.7/site-packages/libvirt.py", line 400, in
> attachDevice
> if ret == -1: raise libvirtError ('virDomainAttachDevice() failed',
> dom=self)
> libvirtError: internal error unable to execute QEMU command 'device_add': Bus
> 'pci.0' does not support hotplugging
>
> OS: Fedora17
> VDSM Packages: vdsm-4.10.0-0.313.git8bedc7e.fc17.x86_64
> vdsm-xmlrpc-4.10.0-0.313.git8bedc7e.fc17.noarch
> vdsm-python-4.10.0-0.313.git8bedc7e.fc17.x86_64
> Libvirt: libvirt-0.9.11.4-3.fc17.x86_64
> QEMU: qemu-common-1.0.1-1.fc17.x86_64
>
> Trying to attach the NIC using virsh fails as well:
>
> virsh -c qemu+tcp://localhost/system attach-device vm1 --file /tmp/1.xml
> error: Failed to attach device from /tmp/1.xml
> error: internal error unable to execute QEMU command 'device_add': Bus
> 'pci.0' does not support hotplugging
>
>
> When running with VDSM from ovirt repository with the following packages the
> hotplug of the NIC works:
> vdsm-xmlrpc-4.10.0-6.fc17.noarch
> vdsm-4.10.0-6.fc17.x86_64
> vdsm-python-4.10.0-6.fc17.x86_64
Excuse me for doubting this report, but are you perfectly sure that you
are using the same qemu and libvirt with this version of vdsm?
Could you post here the domxml and the device xml produced by the two
versions of vdsm? I would like to hunt down the differences.
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