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. -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB at Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3