Created attachment 1137281 [details]
vm xml

Description of problem:
detach disk will fail and vm will be destroyed

Version-Release number of selected component (if applicable):
libvirt-1.3.2-1.el7.ppc64le
qemu-kvm-rhev-2.5.0-2.el7.ppc64le
kernel-3.10.0-327.el7.ppc64le


How reproducible:
always

Steps to Reproduce:
1. start and domain and attach a disk
# virsh start avocado-vt-vm1
Domain avocado-vt-vm1 started

# qemu-img info /tmp/libvirt-rhel-7.3-runtest-ppc64le-function-migration-4/test.img
image: /tmp/libvirt-rhel-7.3-runtest-ppc64le-function-migration-4/test.img
file format: raw
virtual size: 1.0G (1073741824 bytes)
disk size: 0


# virsh attach-disk avocado-vt-vm1 /tmp/libvirt-rhel-7.3-runtest-ppc64le-function-migration-4/test.img vdb
Disk attached successfully

# virsh dumpxml avocado-vt-vm1
...
    <disk type='file' device='disk'>
      <driver name='qemu' type='qcow2'/>
      <source file='/usr/share/avocado/data/avocado-vt/images/jeos-21-64.qcow2'/>
      <backingStore/>
      <target dev='vda' bus='virtio'/>
      <alias name='virtio-disk0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
    </disk>
    <disk type='file' device='disk'>
      <driver name='qemu' type='raw'/>
      <source file='/tmp/libvirt-rhel-7.3-runtest-ppc64le-function-migration-4/test.img'/>
      <backingStore/>
      <target dev='vdb' bus='virtio'/>
      <alias name='virtio-disk1'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/>
    </disk>
...

2. detach disk
# virsh detach-disk avocado-vt-vm1 vdb
error: Failed to detach disk
error: Unable to read from monitor: Connection reset by peer

3.

Actual results:
failed to detach disk

Expected results:
succeed


Additional info: