LustreError: Skipped 1 previous similar message
LustreError: 6593:0:(dt_object.h:2065:dt_declare_record_write()) ASSERTION( dt->do_body_ops ) failed: 
LustreError: 6593:0:(dt_object.h:2065:dt_declare_record_write()) LBUG
Pid: 6593, comm: mdt_out00_004

Call Trace:
 [<ffffffffa04a4875>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]
 [<ffffffffa04a4e77>] lbug_with_loc+0x47/0xb0 [libcfs]
 [<ffffffffa0b866ca>] out_write+0x4ba/0x530 [ptlrpc]
 [<ffffffffa0b8b310>] out_handle+0xad0/0xed0 [ptlrpc]
 [<ffffffffa04ad248>] ? libcfs_log_return+0x28/0x40 [libcfs]
 [<ffffffffa0b813be>] tgt_request_handle+0x95e/0x10b0 [ptlrpc]
 [<ffffffffa0b30c51>] ptlrpc_main+0xe41/0x1970 [ptlrpc]
 [<ffffffffa0b2fe10>] ? ptlrpc_main+0x0/0x1970 [ptlrpc]
 [<ffffffff8109e71e>] kthread+0x9e/0xc0
 [<ffffffff8100c20a>] child_rip+0xa/0x20
 [<ffffffff8109e680>] ? kthread+0x0/0xc0
 [<ffffffff8100c200>] ? child_rip+0x0/0x20

LustreError: dumping log to /tmp/lustre-log.1434463369.6593
INFO: task mdt_out00_004:6593 blocked for more than 120 seconds.
      Tainted: P           ---------------    2.6.32-504.16.2.el6_lustre.g138eb73.x86_64 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
mdt_out00_004 D 0000000000000002     0  6593      2 0x00000000
 ffff881020bd9c10 0000000000000046 0000000000000000 ffffffffa04c1378
 0000000000000000 ffff88102177eab0 00002ee6e92a361c ffffffffa0c16340
 ffff881020bd9bd0 00000001030de3d5 ffff88102177f068 ffff881020bd9fd8
Call Trace:
 [<ffffffff81064bc0>] ? default_wake_function+0x0/0x20
 [<ffffffffa04a4ead>] lbug_with_loc+0x7d/0xb0 [libcfs]
 [<ffffffffa0b866ca>] out_write+0x4ba/0x530 [ptlrpc]
 [<ffffffffa0b8b310>] out_handle+0xad0/0xed0 [ptlrpc]
 [<ffffffffa04ad248>] ? libcfs_log_return+0x28/0x40 [libcfs]
 [<ffffffffa0b813be>] tgt_request_handle+0x95e/0x10b0 [ptlrpc]
 [<ffffffffa0b30c51>] ptlrpc_main+0xe41/0x1970 [ptlrpc]
 [<ffffffffa0b2fe10>] ? ptlrpc_main+0x0/0x1970 [ptlrpc]
 [<ffffffff8109e71e>] kthread+0x9e/0xc0
 [<ffffffff8100c20a>] child_rip+0xa/0x20
 [<ffffffff8109e680>] ? kthread+0x0/0xc0
 [<ffffffff8100c200>] ? child_rip+0x0/0x20
LNet: Service thread pid 6593 was inactive for 200.00s. The thread might be hung, or it might only be slow and will resume later. Dumping the stack trace for debugging purposes:
Pid: 6593, comm: mdt_out00_004

Call Trace:
 [<ffffffff81064bc0>] ? default_wake_function+0x0/0x20
 [<ffffffffa04a4ead>] lbug_with_loc+0x7d/0xb0 [libcfs]
 [<ffffffffa0b866ca>] out_write+0x4ba/0x530 [ptlrpc]
 [<ffffffffa0b8b310>] out_handle+0xad0/0xed0 [ptlrpc]
 [<ffffffffa04ad248>] ? libcfs_log_return+0x28/0x40 [libcfs]
 [<ffffffffa0b813be>] tgt_request_handle+0x95e/0x10b0 [ptlrpc]
 [<ffffffffa0b30c51>] ptlrpc_main+0xe41/0x1970 [ptlrpc]
 [<ffffffffa0b2fe10>] ? ptlrpc_main+0x0/0x1970 [ptlrpc]
 [<ffffffff8109e71e>] kthread+0x9e/0xc0
 [<ffffffff8100c20a>] child_rip+0xa/0x20
 [<ffffffff8109e680>] ? kthread+0x0/0xc0
 [<ffffffff8100c200>] ? child_rip+0x0/0x20

LustreError: dumping log to /tmp/lustre-log.1434463569.6593