On 01/26/2012 01:46 PM, Eric Blake wrote: > On 01/26/2012 02:41 AM, Paolo Bonzini wrote: >> 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? > > Just did. It still spawns a VNC server. > > $ (sleep .1; printf > '{"execute":"qmp_capabilities"}\n{"execute":"quit"}\n') |\ > /usr/libexec/qemu-kvm -qmp stdio -S -nodefaults > VNC server running on `127.0.0.1:5902' > {"QMP": {"version": {"qemu": {"micro": 1, "minor": 12, "major": 0}, > "package": "(qemu-kvm-0.12.1.2)"}, "capabilities": []}} > {"return": {}} > {"return": {}} > {"timestamp": {"seconds": 1327581922, "microseconds": 434736}, "event": > "SHUTDOWN"} What about both? :) $ (sleep .1; echo $'{"execute":"qmp_capabilities"}\n{"execute":"quit"}') | \ /usr/libexec/qemu-kvm -qmp stdio -S -nographic -nodefaults {"QMP": {"version": {"qemu": {"micro": 1, "minor": 12, "major": 0}, "package": "(qemu-kvm-0.12.1.2)"}, "capabilities": []}} {"return": {}} {"return": {}} {"timestamp": {"seconds": 1327582368, "microseconds": 685740}, "event": "SHUTDOWN"} (I was a bit too terse, -nodefaults is a way to fix the error message, not the whole mess). Paolo -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list