6. register the domain definition in libvirtd --8<---------------cut here---------------start------------->8--- $ virsh --connect qemu:///system define container-minimal-fixed.xml Domain container-minimal defined from container-minimal-fixed.xml --8<---------------cut here---------------end--------------->8--- 7. start the VM, connect via SPICE and see the VM does not boot due to an error in procedure mount, falling back to the guile REPL; the backtrace is: --8<---------------cut here---------------start------------->8--- In gnu/build/linux-boot.scm: 516:13 2 (_) 367:8 1 (mount-root-file-system "/dev/vda1" "ext4" # _) In unknown file: 0 (mount "/dev/vda1" "/real-root" "ext4" 1 #) --8<---------------cut here---------------end--------------->8--- any hint please? Thanks! Giovanni [1] using this docs as ref: https://wiki.qemu.org/Documentation/9psetup#Starting_the_Guest_using_libvirt https://libvirt.org/formatdomain.html#elementsRng -- Giovanni Biscuolo Xelera IT Infrastructures