Thanks, I can now boot it, but after a while qemu crashes saying: --- snip --- qemu-system-aarch64: /home/abuild/rpmbuild/BUILD/qemu-4.0.0/tcg/tcg.c:320: set_jmp_reset_offset: Assertion `s->tb_jmp_reset_offset[which] == off' failed. ./runqemu.nokvm: line 52: 3128 Aborted (core dumped) /usr/bin/qemu-system-aarch64 "-serial" "file:serial0" "-device" "virtio-gpu-pci" "-m" "2048" "-machine" "virt" "-cpu" "cortex-a72" "-netdev" "user,id=qanet0" "-device" "virtio-net,netdev=qanet0,mac=52:54:00:12:34:56" "-device" "virtio-scsi-pci,id=scsi0" "-device" "virtio-blk-device,drive=hd1,serial=1" "-drive" "file=$HDDIMAGE,cache=unsafe,if=none,id=hd1,format=qcow2,discard=on" "-drive" "id=pflash-code-overlay0,if=pflash,file=pflash-code-overlay0,unit=0,readonly=on" "-drive" "id=pflash-vars-overlay0,if=pflash,file=pflash-vars-overlay0,unit=1" "-device" "nec-usb-xhci" "-device" "usb-tablet" "-device" "usb-kbd" "-smp" "2" "$@" --- snap --- This is on a TW installation that has been "zypper dup"ed today. Any ideas?