This bug was fixed in the package libvirt - 1.2.16-2ubuntu4
--------------- libvirt (1.2.16-2ubuntu4) wily; urgency=medium
* d/p/{storage-allow-zero-capacity-with-non-backing-file-to.patch, tests-add-vol-qcow2-zerocapacity-test-to-storagevolx.patch} added to address (LP: #1459748). Allow zero capacity storage creation with non-backing file.
-- Chris J Arges <email address hidden> Fri, 10 Jul 2015 12:50:50 -0500
This bug was fixed in the package libvirt - 1.2.16-2ubuntu4
---------------
libvirt (1.2.16-2ubuntu4) wily; urgency=medium
* d/p/{storage- allow-zero- capacity- with-non- backing- file-to. patch, add-vol- qcow2-zerocapac ity-test- to-storagevolx. patch} added to address
tests-
(LP: #1459748). Allow zero capacity storage creation with non-backing file.
-- Chris J Arges <email address hidden> Fri, 10 Jul 2015 12:50:50 -0500