On 01/26/2012 04:55 AM, Eric Blake wrote: > > $ /usr/libexec/qemu-kvm -qmp stdio -S -display none > qemu-kvm: -display: invalid option > $ /usr/libexec/qemu-kvm -qmp stdio -S -nographic > chardev: opening backend "stdio" failed > qemu: could not open serial device 'stdio': Argument list too long Have you tried -nodefaults?