These are the messages that I get when trying to attach a virtio disk to or perform a shutdown of the problem vm guest.
Add hardware
This device could not be attached to the running machine. Would you like to make the device available after the next guest shutdown?
Requested operation is not valid: cannot do live update a device on inactive domain
Traceback (most recent call last): File "/usr/share/virt-manager/virtManager/addhardware.py", line 1095, in add_device self.vm.attach_device(self._dev) File "/usr/share/virt-manager/virtManager/domain.py", line 756, in attach_device self._backend.attachDevice(devxml) File "/usr/lib64/python2.6/site-packages/libvirt.py", line 403, in attachDevice if ret == -1: raise libvirtError ('virDomainAttachDevice() failed', dom=self) libvirtError: Requested operation is not valid: cannot do live update a device on inactive domain
Shutdown domain:
Error shutting down domain: Requested operation is not valid: domain is not running
Traceback (most recent call last): File "/usr/share/virt-manager/virtManager/asyncjob.py", line 44, in cb_wrapper callback(asyncjob, *args, **kwargs) File "/usr/share/virt-manager/virtManager/asyncjob.py", line 65, in tmpcb callback(*args, **kwargs) File "/usr/share/virt-manager/virtManager/domain.py", line 1106, in shutdown self._backend.shutdown() File "/usr/lib64/python2.6/site-packages/libvirt.py", line 1566, in shutdown if ret == -1: raise libvirtError ('virDomainShutdown() failed', dom=self) libvirtError: Requested operation is not valid: domain is not running
They seem to be mutually exclusive and yet occur together nonetheless.