[Bugs] [Bug 1390521] New: qemu gfapi in 3.8.5 is broken

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1390521

            Bug ID: 1390521
           Summary: qemu gfapi in 3.8.5 is broken
           Product: GlusterFS
           Version: 3.8
         Component: libgfapi
          Assignee: bugs at gluster.org
          Reporter: dm at belkam.com
        QA Contact: sdharane at redhat.com
                CC: bugs at gluster.org



Description of problem:

after upgrade to 3.8.5 from 3.8.4 on Centos 7 host we get:

block I/O error in device 'drive-ide0-0-0': Input/output error (5)

on all VMs, all VMs we run have virtual ide drives...


fuse mounts work OK though.

I don't see any errors in volume's brick log:

[2016-11-01 09:29:56.519571] I [MSGID: 115029]
[server-handshake.c:692:server_setvolume] 0-pool-server: accepted client from
son-27691-2016/11/01-09:29:51:431330-pool-client-6-0-0 (version: 3.8.5)
[2016-11-01 09:29:56.522235] I [login.c:76:gf_auth] 0-auth/login: allowed user
names: a02c192c-679c-4929-97d3-b0ae0595df52
[2016-11-01 09:29:56.522305] I [MSGID: 115029]
[server-handshake.c:692:server_setvolume] 0-pool-server: accepted client from
spirit-5113-2016/11/01-09:29:51:784139-pool-client-6-0-0 (version: 3.8.5)
[2016-11-01 09:29:58.563046] I [login.c:76:gf_auth] 0-auth/login: allowed user
names: a02c192c-679c-4929-97d3-b0ae0595df52

What is interesting here is that we have 3 nodes and volume is 3way replicated,
we got errors right after we upgraded last node from 3.8.4  to 3.8.5.

And we did not forget to upgrade 

[root at father qemu]# rpm -qf /lib64/libglusterfs.so.0
glusterfs-libs-3.8.5-1.el7.x86_64

and restart libvirtd.

Downgrading back to 3.8.4 solved problem.

Thank you!

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