References: bsc#989639 When the device added is a cdrom device (/dev/sr0), don't use "phy" as the driver name but instead use "qemu". Index: virt-manager-4.1.0/virtinst/devices/disk.py =================================================================== --- virt-manager-4.1.0.orig/virtinst/devices/disk.py +++ virt-manager-4.1.0/virtinst/devices/disk.py @@ -533,7 +533,8 @@ class DeviceDisk(Device): # Recommended xen defaults from here: # https://bugzilla.redhat.com/show_bug.cgi?id=1171550#c9 # If type block, use name=phy. Otherwise do the same as qemu - if self.conn.is_xen() and self.type == self.TYPE_BLOCK: + if self.conn.is_xen() and self.type == self.TYPE_BLOCK and not \ + self.is_cdrom(): return self.DRIVER_NAME_PHY if self.conn.support.conn_disk_driver_name_qemu(): return self.DRIVER_NAME_QEMU