hmmm, I'm sorry, it was my fault, stupid mistake in one of scripts :( so it was false alert, libvirt is innocent... sorry for inconvenience... BW nik On Tue, Jun 17, 2008 at 12:09:03PM -0400, Daniel Veillard wrote: > On Tue, Jun 17, 2008 at 04:18:59PM +0200, Nikola Ciprich wrote: > > Hi all, > > I think there could be a bug in libvirt passing MAC address to KVM. > > If I have following in my xml config: > > <interface type="bridge"> > > <source bridge="br0"/> > > <mac address="00:16:3e:0d:24:00"/> > > </interface> > > > > and start the domain (I'm using python binding btw), qemu is then executed with following parameter: > > > > ... -net nic,macaddr=00:16:3e:18:24:00,vlan=0 ... > > > > MAC address given in config is not used by any other machine. Does somebody have a tip on where the problem could be? > > I'm using libvirt-0.4.3. > > Hum, I can't really reproduce this. I used a definition like: > > <interface type='network'> > <mac address='00:16:3e:0d:24:00'/> > <source network='default'/> > <target dev='vnet0'/> > </interface> > > since i don't have bridging set. When starting the guest with 0.4.2 I see > > /usr/bin/qemu-kvm -M pc -m 512 -smp 1 -monitor pty -boot c -hda /virt/test-mac.img -net nic,macaddr=00:16:3e:0d:24:00,vlan=0 -net tap,fd=14,script=,vlan=0,ifname=vnet0 -usb -vnc 127.0.0.1:0 -k en-us > > when starting with 0.4.3 I see > > /usr/bin/qemu-kvm -S -M pc -m 512 -smp 1 -name test-mac -monitor pty -boot c -drive file=/virt/test-mac.img,if=ide,index=0,boot=on -drive file=,if=ide,media=cdrom,index=2 -net nic,macaddr=00:16:3e:0d:24:00,vlan=0 -net tap,fd=13,script=,vlan=0,ifname=vnet0 -serial none -parallel none -usb -vnc 127.0.0.1:0 -k en-us > > but in both cases the MAC parsing looks correct and properly provided down > to qemu-kvm . Could you double check with virsh directly (though i don't see > how python could scramble just that part of the XML description) using > virsh dumpxml and virsh create ... > Also testing with a network type of setting may help finding what is happening > precisely here > > thanks, > > Daniel > > -- > Red Hat Virtualization group http://redhat.com/virtualization/ > Daniel Veillard | virtualization library http://libvirt.org/ > veillard@xxxxxxxxxx | libxml GNOME XML XSLT toolkit http://xmlsoft.org/ > http://veillard.com/ | Rpmfind RPM search engine http://rpmfind.net/ > -- ------------------------------------- Nikola CIPRICH LinuxBox.cz, s.r.o. 28. rijna 168, 709 01 Ostrava tel.: +420 596 603 142 fax: +420 596 621 273 mobil: +420 777 093 799 www.linuxbox.cz mobil servis: +420 737 238 656 email servis: servis@xxxxxxxxxxx ------------------------------------- -- Libvir-list mailing list Libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list