Sorry I forgot to include how I started QEMU: #!/bin/sh
ARCH=arm64 IMAGE=/var/tmp/qemu-disk-${ARCH}.qcow2 CDROM=/var/tmp/debian-bullseye-DI-alpha3-${ARCH}-netinst.iso rm -f $IMAGE qemu-img create -f qcow2 -o compat=1.1 -o lazy_refcounts=on -o preallocation=off $IMAGE 20G cd /var/tmp cp /usr/share/AAVMF/AAVMF_VARS.fd . qemu-system-aarch64 \ -display gtk -enable-kvm -machine virt,iommu=smmuv3,acpi=on -cpu host -m 3072 -smp 2\ -net nic,model=virtio -net user -object rng-random,filename=/dev/urandom,id=rng0 \ -device virtio-rng-pci,rng=rng0,id=rng-device0 \ -drive if=virtio,file=${IMAGE},index=0,format=qcow2,discard=unmap,detect-zeroes=unmap,media=disk \ -drive if=virtio,file=${CDROM},index=1,format=raw,readonly=on,media=cdrom \ -drive if=pflash,format=raw,unit=0,file=/usr/share/AAVMF/AAVMF_CODE.fd,readonly=on \ -drive if=pflash,format=raw,unit=1,file=AAVMF_VARS.fd \ -device qemu-xhci -device usb-kbd -device usb-mouse -device ramfb # -device virtio-gpu-pci Ryutaroh