Created attachment 1048674 [details]
core file

Description of problem:
=======================

Seen the crash while running IO bringing down some of the bricks and heal is in progress.

Backtrace:
=========

(gdb) bt
#0  0x00007f789fde4718 in __ec_removexattr_sinks (
    frame=<value optimized out>, ec=0x7f78a023c0e0, 
    inode=<value optimized out>, source=1, sources=<value optimized out>, 
    healed_sinks=0x7f7840203c70 "", replies=0x7f78401f6a10) at ec-heal.c:611
#1  0x00007f789fde86f9 in __ec_heal_metadata (frame=0x7f78af1df1d4, 
    ec=0x7f78a023c0e0, inode=0x7f78a023ca30, locked_on=0x7f78401f72b8 "", 
    sources=0x7f7840203c90 "", healed_sinks=0x7f7840203c70 "")
    at ec-heal.c:686
#2  0x00007f789fde8993 in ec_heal_metadata (frame=0x7f78af1df1d4, 
    ec=0x7f78a023c0e0, inode=0x7f78a023ca30, sources=0x7f7840203c90 "", 
    healed_sinks=0x7f7840203c70 "") at ec-heal.c:747
#3  0x00007f789fde8ba0 in ec_heal_do (this=<value optimized out>, 
    data=0x7f789dfb6cfc, loc=0x7f789dfb6f54, partial=0) at ec-heal.c:2264
#4  0x00007f789fde8f7d in ec_synctask_heal_wrap (
    opaque=<value optimized out>) at ec-heal.c:2309
#5  0x00007f78b181a1f2 in synctask_wrap (old_task=<value optimized out>)
    at syncop.c:381
#6  0x00007f78b01828f0 in ?? () from /lib64/libc.so.6
#7  0x0000000000000000 in ?? ()
(gdb) 


Version-Release number of selected component (if applicable):
=============================================================
[root@interstellar ~]# gluster --version
glusterfs 3.7.1 built on Jul  2 2015 21:01:51
Repository revision: git://git.gluster.com/glusterfs.git
Copyright (c) 2006-2011 Gluster Inc. <http://www.gluster.com>
GlusterFS comes with ABSOLUTELY NO WARRANTY.
You may redistribute copies of GlusterFS under the terms of the GNU General Public License.
[root@interstellar ~]# 


How reproducible:
=================
Seen once

Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info:
=================
Attaching the core file.