*** Know issues ** (1) On shutdown lots of messages from systemd like: "Could not unmount /run/archiso/<ABC>: Device or resource busy" "Could not delete loopback /dev/loop<N>: Device or resource busy" This is not a real issue since, all mounted filesystem, loopback devices and device mapper devices made by archiso will be "free" on "shutdown tmpfs" (A.K.A deinitramfs), build at initramfs by [archiso_shutdown] initcpio hook. Proper shutdown is mostly important when persistent is used.