I tried with qemu 2.10 and libvirt 3.6.0: not bug, it works. I tried with raw and qcow2 format, both works.
I used this repository: https://launchpad.net/~ubuntu-cloud- archive/+archive/ubuntu/pike-staging But it's a staging version, i didn't find a stable qemu/libvirt repository for Ubuntu Xenial with those versions -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1449687 Title: block migration of qcow2 VMs copies all empty space To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1449687/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
