(In reply to Walddys Emmanuel Dorrejo C�spedes from comment #9) > where i put this code > > "-device virtio-blk-pci,drive=vda,share-rw=on You can't put that in the VM XML config. Fei was giving an example of how you would use the 'share-rw' option if invoking qemu directly. I suggest waiting until libvirt 3.10.0 is available early next week, where the bug you have encountered is already fixed.