[Gluster-devel] Regression failure: glusterd segfault in rcu_read_unlock_bp

[Krishnan Parthasarathi]

Kaushal is looking into this issue.

----- Original Message -----
> Hi All,
> 
> I see glusterd SEGFAULT for my patch with the following stack trace. I see
> that is not related to my patch.
> Could someone look into this? I will retrigger regression for my patch.
> 
> #0  0x00007f86f0968d16 in rcu_read_unlock_bp () from
> /home/kotresh/Downloads/regression/usr/lib64/liburcu-bp.so.1
> (gdb) bt
> #0  0x00007f86f0968d16 in rcu_read_unlock_bp () from
> /home/kotresh/Downloads/regression/usr/lib64/liburcu-bp.so.1
> #1  0x00007f86f1235467 in gd_commit_op_phase (op=GD_OP_START_VOLUME,
> op_ctx=0x7f86f9d5a230, req_dict=0x7f86f9d5bf2c, op_errstr=0x7f86e0244260,
>     txn_opinfo=0x7f86e02441e0) at
>     /home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/mgmt/glusterd/src/glusterd-syncop.c:1360
> #2  0x00007f86f1236366 in gd_sync_task_begin (op_ctx=0x7f86f9d5a230,
> req=0xcb6b8c)
>     at
>     /home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/mgmt/glusterd/src/glusterd-syncop.c:1736
> #3  0x00007f86f123654b in glusterd_op_begin_synctask (req=0xcb6b8c,
> op=GD_OP_START_VOLUME, dict=0x7f86f9d5a230)
>     at
>     /home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/mgmt/glusterd/src/glusterd-syncop.c:1787
> #4  0x00007f86f1221402 in __glusterd_handle_cli_start_volume (req=0xcb6b8c)
>     at
>     /home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/mgmt/glusterd/src/glusterd-volume-ops.c:471
> #5  0x00007f86f1190291 in glusterd_big_locked_handler (req=0xcb6b8c,
> actor_fn=0x7f86f122110d <__glusterd_handle_cli_start_volume>)
>     at
>     /home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/mgmt/glusterd/src/glusterd-handler.c:83
> #6  0x00007f86f12214a3 in glusterd_handle_cli_start_volume (req=0xcb6b8c)
>     at
>     /home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/mgmt/glusterd/src/glusterd-volume-ops.c:489
> #7  0x00007f86fc375f66 in synctask_wrap (old_task=0x7f86e0041760) at
> /home/jenkins/root/workspace/rackspace-regression-2GB-triggered/libglusterfs/src/syncop.c:375
> #8  0x00007f86fb1508f0 in ?? () from
> /home/kotresh/Downloads/regression/lib64/libc.so.6
> #9  0x0000000000000000 in ?? ()
> 
> 
> Link to the core file:
> http://slave27.cloud.gluster.org/archived_builds/build-install-20150416:07:11:15.tar.bz2
> 
> 
> Thanks and Regards,
> Kotresh H R
> 
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