[Bugs] [Bug 1305742] New: Lot of assertion failures are seen in nfs logs with disperse volume

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1305742

            Bug ID: 1305742
           Summary: Lot of assertion failures are seen in nfs logs with
                    disperse volume
           Product: GlusterFS
           Version: 3.7.7
         Component: disperse
          Assignee: pkarampu at redhat.com
          Reporter: pkarampu at redhat.com
                CC: bugs at gluster.org
        Depends On: 1300929



+++ This bug was initially created as a clone of Bug #1300929 +++

Description of problem:
Hi Pranith,

I see a lot of these messages in nfs.log.

[2016-01-20 12:15:45.595207] E [ec-common.c:1945:__ec_manager]
(-->/usr/lib64/glusterfs/3.7.5/xlator/cluster/distribute.so(dht_access+0x177)
[0x7f6e09f39f67]
-->/usr/lib64/glusterfs/3.7.5/xlator/cluster/disperse.so(ec_gf_access+0x2c)
[0x7f6e0a168a1c]
-->/usr/lib64/glusterfs/3.7.5/xlator/cluster/disperse.so(__ec_manager+0x166)
[0x7f6e0a16e5d6] ) 0-: Assertion failed: fop->state >= 0
[2016-01-20 12:15:45.595411] E [ec-common.c:1945:__ec_manager]
(-->/usr/lib64/glusterfs/3.7.5/xlator/cluster/distribute.so(dht_access+0x177)
[0x7f6e09f39f67]
-->/usr/lib64/glusterfs/3.7.5/xlator/cluster/disperse.so(ec_gf_access+0x2c)
[0x7f6e0a168a1c]
-->/usr/lib64/glusterfs/3.7.5/xlator/cluster/disperse.so(__ec_manager+0x166)
[0x7f6e0a16e5d6] ) 0-: Assertion failed: fop->state >= 0

[root at transformers ~]# grep -i "fop->state >= 0" /var/log/glusterfs/nfs.log |wc
-l
222918


-Bhaskar


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


How reproducible:


Steps to Reproduce:
1.
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Actual results:


Expected results:


Additional info:

--- Additional comment from Vijay Bellur on 2016-01-22 01:50:33 EST ---

REVIEW: http://review.gluster.org/13278 (cluster/ec: Never return -ve state)
posted (#1) for review on master by Pranith Kumar Karampuri
(pkarampu at redhat.com)

--- Additional comment from Vijay Bellur on 2016-01-27 05:46:22 EST ---

REVIEW: http://review.gluster.org/13278 (cluster/ec: Never return -ve state)
posted (#2) for review on master by Pranith Kumar Karampuri
(pkarampu at redhat.com)

--- Additional comment from Vijay Bellur on 2016-02-05 03:34:26 EST ---

REVIEW: http://review.gluster.org/13278 (cluster/ec: Never return -ve state)
posted (#3) for review on master by Xavier Hernandez (xhernandez at datalab.es)

--- Additional comment from Vijay Bellur on 2016-02-08 10:33:15 EST ---

COMMIT: http://review.gluster.org/13278 committed in master by Pranith Kumar
Karampuri (pkarampu at redhat.com) 
------
commit 95597b87e32b8615ca63f8b0b3bb8d488272d95d
Author: Pranith Kumar K <pkarampu at redhat.com>
Date:   Fri Jan 22 12:11:40 2016 +0530

    cluster/ec: Never return -ve state

    Ec manager shouldn't return -ve states, but it is, fixed that.

    Change-Id: I3f97c6ba2dbf9da724e8e1ee9b2c9da73f40013d
    BUG: 1300929
    Signed-off-by: Pranith Kumar K <pkarampu at redhat.com>
    Reviewed-on: http://review.gluster.org/13278
    Tested-by: Xavier Hernandez <xhernandez at datalab.es>
    Smoke: Gluster Build System <jenkins at build.gluster.com>
    CentOS-regression: Gluster Build System <jenkins at build.gluster.com>
    NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1300929
[Bug 1300929] Lot of assertion failures are seen in nfs logs with disperse
volume
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