Comment 0 for bug 1729858

Juerg Haefliger (juergh) wrote :

Cloning a uvt VM fails with error: Unknown driver 'iso'

To reproduce:

uvt-simplestreams-libvirt sync release=xenial arch=amd64
uvt-kvm create test-vm release=xenial arch=amd64
virsh destroy test-vm
virt-clone -o test-vm -n cloned-vm --auto-clone

Which results in:

WARNING The requested volume capacity will exceed the available pool space when the volume is fully allocated. (8192 M requested capacity > 3898 M available)
Allocating 'cloned-vm.qcow' | 8.0 GB 00:00:01
ERROR Couldn't create storage volume 'test-vm-ds-clone.qcow': 'internal error: Child process (/usr/bin/qemu-img convert -f iso -O iso /var/lib/uvtool/libvirt/images/test-vm-ds.qcow /var/lib/uvtool/libvirt/images/test-vm-ds-clone.qcow) unexpected exit status 1: qemu-img: Could not open '/var/lib/uvtool/libvirt/images/test-vm-ds.qcow': Unknown driver 'iso'
'