Reproduced again with the above configuration. Also tried with 2 vcpus, 256MB, 4G disk: same error. For completeness, my LUKS password was 'foo' and answered 'yes' to using weak encryption.
I use virt-manager, and the resulting kvm invocations end up being:
/usr/bin/kvm -M pc -m 256 -smp 2 -monitor pty -no-reboot -drive file=/srv/vms/isos/hardy/hardy-server-amd64.iso,if=ide,media=cdrom,boot=on -drive file=/home/jamie/hardy-crypt1.img,if=ide -net nic,macaddr=00:16:3e:4f:d9:81,vlan=0,model=virtio -net tap,fd=12,script=,vlan=0 -usb -vnc 127.0.0.1:1
Reproduced again with the above configuration. Also tried with 2 vcpus, 256MB, 4G disk: same error. For completeness, my LUKS password was 'foo' and answered 'yes' to using weak encryption.
I use virt-manager, and the resulting kvm invocations end up being: vms/isos/ hardy/hardy- server- amd64.iso, if=ide, media=cdrom, boot=on -drive file=/home/ jamie/hardy- crypt1. img,if= ide -net nic,macaddr= 00:16:3e: 4f:d9:81, vlan=0, model=virtio -net tap,fd= 12,script= ,vlan=0 -usb -vnc 127.0.0.1:1
/usr/bin/kvm -M pc -m 256 -smp 2 -monitor pty -no-reboot -drive file=/srv/
/usr/bin/kvm -M pc -m 128 -smp 2 -monitor pty -no-reboot -drive file=/srv/ vms/isos/ hardy/hardy- server- amd64.iso, if=ide, media=cdrom, boot=on -drive file=/home/ jamie/hardy- crypt2. img,if= ide -net nic,macaddr= 00:16:3e: 3b:54:6f, vlan=0, model=virtio -net tap,fd= 17,script= ,vlan=0 -usb -vnc 127.0.0.1:2