[Bugs] [Bug 1261399] [HC] Fuse mount crashes, when client-quorum is not met

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1261399



--- Comment #1 from SATHEESARAN <sasundar at redhat.com> ---
back trace from one of the node ( node1 )

(gdb) bt
#0  fuse_writev_cbk (frame=0x7f28943fdbf4, cookie=<optimized out>,
this=0x7f289861cad0, op_ret=0, op_errno=30, stbuf=<optimized out>, postbuf=0x0,
xdata=0x0) at fuse-bridge.c:2271
#1  0x00007f288e24bd64 in io_stats_writev_cbk (frame=0x7f289442b59c,
cookie=<optimized out>, this=<optimized out>, op_ret=0, op_errno=30,
prebuf=0x0, postbuf=0x0, xdata=0x0)
    at io-stats.c:1400
#2  0x00007f28968e6bd6 in default_writev_cbk (frame=0x7f289441a224,
cookie=<optimized out>, this=<optimized out>, op_ret=0, op_errno=30,
prebuf=0x0, postbuf=0x0, xdata=0x0)
    at defaults.c:1016
#3  0x00007f288e86ebdd in wb_writev_cbk (frame=0x7f289442c9c4,
cookie=<optimized out>, this=<optimized out>, op_ret=0, op_errno=30,
prebuf=0x0, postbuf=0x0, xdata=0x0)
    at write-behind.c:1255
#4  0x00007f288ea80843 in shard_writev_do_cbk
(frame=frame at entry=0x7f28943ee204, cookie=<optimized out>, this=<optimized
out>, op_ret=op_ret at entry=-1, op_errno=op_errno at entry=30, 
    prebuf=prebuf at entry=0x7f288d887da4, postbuf=postbuf at entry=0x7f288d887e14,
xdata=xdata at entry=0x0) at shard.c:2958
#5  0x00007f288ecd4923 in dht_writev_cbk (frame=0x7f28943f67b8,
cookie=<optimized out>, this=<optimized out>, op_ret=-1, op_errno=30,
prebuf=0x7f288d887da4, postbuf=0x7f288d887e14, 
    xdata=0x0) at dht-inode-write.c:90
#6  0x00007f288ef18e13 in afr_writev_unwind (frame=0x7f28943f4c2c,
this=<optimized out>) at afr-inode-write.c:197
#7  0x00007f288ef18e7d in afr_transaction_writev_unwind (frame=0x7f28943ef224,
this=0x7f288800a620) at afr-inode-write.c:214
#8  0x00007f288ef21fcb in __afr_txn_write_done (frame=0x7f28943ef224,
this=<optimized out>) at afr-transaction.c:81
#9  0x00007f288ef2529e in afr_unlock_common_cbk
(frame=frame at entry=0x7f28943ef224, this=this at entry=0x7f288800a620,
xdata=<optimized out>, op_errno=0, op_ret=<optimized out>, 
    cookie=<optimized out>) at afr-lk-common.c:633
#10 0x00007f288ef25337 in afr_unlock_inodelk_cbk (frame=0x7f28943ef224,
cookie=<optimized out>, this=0x7f288800a620, op_ret=<optimized out>,
op_errno=0, xdata=<optimized out>)
    at afr-lk-common.c:674
#11 0x00007f288f173b1d in client3_3_finodelk_cbk (req=<optimized out>,
iov=<optimized out>, count=<optimized out>, myframe=0x7f28943f77d8) at
client-rpc-fops.c:1673
#12 0x00007f28966aea10 in rpc_clnt_handle_reply
(clnt=clnt at entry=0x7f28880a6840, pollin=pollin at entry=0x7f28800292f0) at
rpc-clnt.c:759
#13 0x00007f28966aeccf in rpc_clnt_notify (trans=<optimized out>,
mydata=0x7f28880a6870, event=<optimized out>, data=0x7f28800292f0) at
rpc-clnt.c:900
#14 0x00007f28966aa813 in rpc_transport_notify (this=this at entry=0x7f28880b6530,
event=event at entry=RPC_TRANSPORT_MSG_RECEIVED, data=data at entry=0x7f28800292f0)
at rpc-transport.c:539
#15 0x00007f289186f646 in socket_event_poll_in (this=this at entry=0x7f28880b6530)
at socket.c:2231
#16 0x00007f28918722a4 in socket_event_handler (fd=fd at entry=14,
idx=idx at entry=3, data=0x7f28880b6530, poll_in=1, poll_out=0, poll_err=0) at
socket.c:2344
#17 0x00007f28969418ca in event_dispatch_epoll_handler (event=0x7f288d798e80,
event_pool=0x7f289860ed10) at event-epoll.c:570
#18 event_dispatch_epoll_worker (data=0x7f28880445e0) at event-epoll.c:673
#19 0x00007f2895748df5 in start_thread () from /lib64/libpthread.so.0
#20 0x00007f289508f1ad in clone () from /lib64/libc.so.6

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