[Bugs] [Bug 1398839] New: Libgfapi support in Qemu broken on Ubuntu Xenial

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1398839

            Bug ID: 1398839
           Summary: Libgfapi support in Qemu broken on Ubuntu Xenial
           Product: GlusterFS
           Version: 3.8
         Component: libgfapi
          Assignee: bugs at gluster.org
          Reporter: monotek23 at gmail.com
        QA Contact: sdharane at redhat.com
                CC: bugs at gluster.org



Description of problem:

Qemu can't use libgfapi to access VM images on GlusterFS volume after update 
from Ubuntu 14.04 (Trusty) to Ubuntu 16.04 (Xenial).

Version-Release number of selected component (if applicable):

- GlusterFS 3.8.6 (from GlustreFS repo on launchpad)
- Qemu 2.5 with GlusterFS support (from
https://launchpad.net/~monotek/+archive/ubuntu/qemu-glusterfs-3.8)

How reproducible:

- Start VM via libvirt


Steps to Reproduce:

- virsh start testvm


Actual results:

error: Failed to start domain checkbox
error: internal error: process exited while connecting to monitor: [2016-11-26
14:40:21.688834] E [MSGID: 104007] [glfs-mgmt.c:633:glfs_mgmt_getspec_cbk]
0-glfs-mgmt: failed to fetch volume file (key:vmimages) [Invalid argument]
[2016-11-26 14:40:21.688995] E [MSGID: 104024]
[glfs-mgmt.c:735:mgmt_rpc_notify] 0-glfs-mgmt: failed to connect with
remote-host: storage.local.net (Permission denied) [Permission denied]
2016-11-26T14:40:22.682497Z qemu-system-x86_64: -drive
file=gluster://storage.local.net/vmimages/checkbox.qcow2,format=qcow2,if=none,id=drive-virtio-disk0,cache=writeback:
Gluster connection failed for server=storage.local.net port=0 volume=vmimages
image=checkbox.qcow2 transport=tcp: Permission denied

Expected results:

vm started...

Additional info:

Mounting the volume with fuse works without problems.

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