Hi, I am using Ubuntu Hardy up to date. When defining a domain with: <domain type='kvm' id='1'> <name>xp</name> <uuid>dd4618e5-1c48-a481-0671-d75f38f59037</uuid> <memory>524288</memory> <currentMemory>524288</currentMemory> <vcpu>1</vcpu> <os> <type arch='x86_64' machine='pc'>hvm</type> <boot dev='hd'/> </os> <clock offset='localtime'/> <on_poweroff>destroy</on_poweroff> <on_reboot>destroy</on_reboot> <on_crash>destroy</on_crash> <devices> <emulator>/usr/bin/qemu-system-x86_64</emulator> <disk type='file' device='cdrom'> <source file='/home/mihamina/xpjohnny.iso'/> <target dev='hdc' bus='ide'/> <readonly/> </disk> <disk type='file' device='disk'> <source file='/home/mihamina/xp.img'/> <target dev='hda' bus='ide'/> </disk> <interface type='bridge'> <mac address='00:16:3e:1e:b2:22'/> <source bridge='br0'/> <target dev='vnet1'/> </interface> <input type='tablet' bus='usb'/> <input type='mouse' bus='ps2'/> <graphics type='vnc' port='5900' listen='127.0.0.1'/> </devices> </domain> I get: virsh # start xp libvir: QEMU error : QEMU quit during console startup qemu: unknowm parameter 'boot' in 'file=/home/mihamina/xp.img,if=ide,boot=on' error: Failed to start domain xp If I change the domain type with "qemu", I have no error (and the virtual machine starts without any problem. This is my installed things: $ dpkg -l | awk '/(virt|qemu|kvm)/{print $2,$3}' kvm 1:62+dfsg-0ubuntu8 libvirt-bin 0.4.0-2ubuntu8 libvirt0 0.4.0-2ubuntu8 python-libvirt 0.4.0-2ubuntu8 python-virtinst 0.300.2-0ubuntu6 python-virtkey 0.50ubuntu0.1 qemu 0.9.1-1ubuntu1 virt-manager 0.5.3-0ubuntu10 virt-viewer 0.0.2-1ubuntu1 Is it an upstream bug or a distribution bug? Who is supposed to be noticed? The packager or the upstream (where please)? PS: I wrote because I saw http://www.mail-archive.com/libvir-list@xxxxxxxxxx/msg06109.html -- Libvir-list mailing list Libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list