Update:
==========
Build Used: 3.12.2-14.el7rhgs.x86_64
> ran the test case and it was successful. Didn't see any hangs.
2018-07-27 09:36:04,792 INFO wrapper Testcase test_self_heal_while_running_dbench passed
2018-07-27 09:36:04,793 INFO wrapper Ending test: test_self_heal_while_running_dbench
2018-07-27 09:36:04,793 INFO wrapper Test execution time for test_self_heal_while_running_dbench: 3:30:33
Moving status to Verified.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHSA-2018:2607