Re: [libvirt-users] How to explain this libvirt oddity w.r.t machine types?

On Fri, 2018-10-12 at 22:38 +0200, Kashyap Chamarthy wrote:

> Now check the machine type again. Bizarrely enough, libvirt "helpfully" > auto-adds QEMU *2.11* machine type, which is obviously no longer on the > system! > > # grep machine= /etc/libvirt/qemu/cirros.xml > <type arch='x86_64' machine='pc-i440fx-2.11'>hvm</type> > > # virsh dumpxml cirros | grep -i machine= > <type arch='x86_64' machine='pc-i440fx-2.11'>hvm</type> > > How to explain this? Is this even a "valid test"? > > (To undo the nuisance, obviously, I had to `virsh edit cirros` again and > change it to 2.10.) > > Note, I *don't* have 2.11 QEMU on the system:

If I had to guess, I would say the <emulator> element of your guest is probably pointing to a custom-built QEMU 2.11 binary rather than the default one installed from RPMs.