[Bugs] [Bug 1226941] New: nfs mount hung and gnfs server unresponsive to one of the clients

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1226941

            Bug ID: 1226941
           Summary: nfs mount hung and gnfs server unresponsive to one of
                    the clients
           Product: GlusterFS
           Version: 3.7.0
         Component: nfs
          Severity: medium
          Assignee: bugs at gluster.org
          Reporter: vbhat at redhat.com
                CC: bugs at gluster.org, gluster-bugs at redhat.com



Description of problem:
NFS mount of in one of the clients hung and gnfs server process on the server
is not responding to this particular client. It's responding to other servers.
The volume is a disperse volume and had 2 bricks (redundancy count) down.

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

Built from upstream master branch with the following nightly
glusterfs-3.8dev-0.277.gitf7bc353.el6.x86_64


How reproducible:
Seen only once. Haven't tried second time.


Steps to Reproduce:
1. Run the test_disperse_basic.py tests in distaf. ( I have no other steps)

Actual results:
NFS mount hung.

Expected results:
No hang of the mountpoint.

Additional info:


I will attach the sosreports and gdb core of nfs process which was unresponsive
(collected from gcore)

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