Description of problem: In kvm if specify raw dump into a block device without serial number, the service start will fail, becasue it can't find the device by-uuid or by-id, an error message will be outputed. Version-Release number of selected component (if applicable): How reproducible: always Steps to Reproduce: 1. 2. 3. Actual results: If /dev/device exist, raw dump into this device can succeed. Expected results: Additional info: