2014-02-09 19:36:49 LustreError: 13062:0:(ldlm_lock.c:851:ldlm_lock_decref_internal_nolock()) ASSERTION( lock->l_readers > 0 ) failed: 
2014-02-09 19:36:49 LustreError: 13062:0:(ldlm_lock.c:851:ldlm_lock_decref_internal_nolock()) LBUG
2014-02-09 19:36:49 Pid: 13062, comm: mdt02_012
2014-02-09 19:36:49 
2014-02-09 19:36:49 Call Trace:
2014-02-09 19:36:49  [<ffffffffa0401895>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]
2014-02-09 19:36:49  [<ffffffffa0401e97>] lbug_with_loc+0x47/0xb0 [libcfs]
2014-02-09 19:36:49  [<ffffffffa0712402>] ldlm_lock_decref_internal_nolock+0xd2/0x180 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa0716afd>] ldlm_lock_decref_internal+0x4d/0xaa0 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa05ac2b5>] ? class_handle2object+0x95/0x190 [obdclass]
2014-02-09 19:36:49  [<ffffffffa0717fb9>] ldlm_lock_decref+0x39/0x90 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa0e07483>] mdt_save_lock+0x63/0x300 [mdt]
2014-02-09 19:36:49  [<ffffffffa075f880>] ? lustre_swab_ldlm_reply+0x0/0x40 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa0e0777c>] mdt_object_unlock+0x5c/0x160 [mdt]
2014-02-09 19:36:49  [<ffffffffa0e35c8c>] mdt_object_open_unlock+0xac/0x110 [mdt]
2014-02-09 19:36:49  [<ffffffffa0e3cca4>] mdt_reint_open+0xdd4/0x2260 [mdt]
2014-02-09 19:36:49  [<ffffffffa0e3e7bc>] mdt_reconstruct_open+0x68c/0xc30 [mdt]
2014-02-09 19:36:49  [<ffffffffa0784626>] ? __req_capsule_get+0x166/0x700 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa075d12e>] ? lustre_pack_reply_flags+0xae/0x1f0 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa0e313d5>] mdt_reconstruct+0x45/0x120 [mdt]
2014-02-09 19:36:49  [<ffffffffa0e0ccdb>] mdt_reint_internal+0x6bb/0x780 [mdt]
2014-02-09 19:36:49  [<ffffffffa0e0d06d>] mdt_intent_reint+0x1ed/0x520 [mdt]
2014-02-09 19:36:49  [<ffffffffa0e0af1e>] mdt_intent_policy+0x39e/0x720 [mdt]
2014-02-09 19:36:49  [<ffffffffa0714831>] ldlm_lock_enqueue+0x361/0x8d0 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa073b1cf>] ldlm_handle_enqueue0+0x4ef/0x10b0 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa0e0b3a6>] mdt_enqueue+0x46/0xe0 [mdt]
2014-02-09 19:36:49  [<ffffffffa0e11a97>] mdt_handle_common+0x647/0x16d0 [mdt]
2014-02-09 19:36:49  [<ffffffffa075db8c>] ? lustre_msg_get_transno+0x8c/0x100 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa0e4b735>] mds_regular_handle+0x15/0x20 [mdt]
2014-02-09 19:36:49  [<ffffffffa076d3a8>] ptlrpc_server_handle_request+0x398/0xc60 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa04025de>] ? cfs_timer_arm+0xe/0x10 [libcfs]
2014-02-09 19:36:49  [<ffffffffa0413d3f>] ? lc_watchdog_touch+0x6f/0x170 [libcfs]
2014-02-09 19:36:49  [<ffffffffa0764709>] ? ptlrpc_wait_event+0xa9/0x290 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa076e73e>] ptlrpc_main+0xace/0x1700 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa076dc70>] ? ptlrpc_main+0x0/0x1700 [ptlrpc]
2014-02-09 19:36:49  [<ffffffff8100c0ca>] child_rip+0xa/0x20
2014-02-09 19:36:49  [<ffffffffa076dc70>] ? ptlrpc_main+0x0/0x1700 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa076dc70>] ? ptlrpc_main+0x0/0x1700 [ptlrpc]
2014-02-09 19:36:49  [<ffffffff8100c0c0>] ? child_rip+0x0/0x20
2014-02-09 19:36:49 
2014-02-09 19:36:49 Kernel panic - not syncing: LBUG
2014-02-09 19:36:49 Pid: 13062, comm: mdt02_012 Not tainted 2.6.32-358.18.1.el6_lustre.x86_64 #1
2014-02-09 19:36:49 Call Trace:
2014-02-09 19:36:49  [<ffffffff8150de58>] ? panic+0xa7/0x16f
2014-02-09 19:36:49  [<ffffffffa0401eeb>] ? lbug_with_loc+0x9b/0xb0 [libcfs]
2014-02-09 19:36:49  [<ffffffffa0712402>] ? ldlm_lock_decref_internal_nolock+0xd2/0x180 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa0716afd>] ? ldlm_lock_decref_internal+0x4d/0xaa0 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa05ac2b5>] ? class_handle2object+0x95/0x190 [obdclass]
2014-02-09 19:36:49  [<ffffffffa0717fb9>] ? ldlm_lock_decref+0x39/0x90 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa0e07483>] ? mdt_save_lock+0x63/0x300 [mdt]
2014-02-09 19:36:49  [<ffffffffa075f880>] ? lustre_swab_ldlm_reply+0x0/0x40 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa0e0777c>] ? mdt_object_unlock+0x5c/0x160 [mdt]
2014-02-09 19:36:49  [<ffffffffa0e35c8c>] ? mdt_object_open_unlock+0xac/0x110 [mdt]
2014-02-09 19:36:49  [<ffffffffa0e3cca4>] ? mdt_reint_open+0xdd4/0x2260 [mdt]
2014-02-09 19:36:49  [<ffffffffa0e3e7bc>] ? mdt_reconstruct_open+0x68c/0xc30 [mdt]
2014-02-09 19:36:49  [<ffffffffa0784626>] ? __req_capsule_get+0x166/0x700 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa075d12e>] ? lustre_pack_reply_flags+0xae/0x1f0 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa0e313d5>] ? mdt_reconstruct+0x45/0x120 [mdt]
2014-02-09 19:36:49  [<ffffffffa0e0ccdb>] ? mdt_reint_internal+0x6bb/0x780 [mdt]
2014-02-09 19:36:49  [<ffffffffa0e0d06d>] ? mdt_intent_reint+0x1ed/0x520 [mdt]
2014-02-09 19:36:49  [<ffffffffa0e0af1e>] ? mdt_intent_policy+0x39e/0x720 [mdt]
2014-02-09 19:36:49  [<ffffffffa0714831>] ? ldlm_lock_enqueue+0x361/0x8d0 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa073b1cf>] ? ldlm_handle_enqueue0+0x4ef/0x10b0 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa0e0b3a6>] ? mdt_enqueue+0x46/0xe0 [mdt]
2014-02-09 19:36:49  [<ffffffffa0e11a97>] ? mdt_handle_common+0x647/0x16d0 [mdt]
2014-02-09 19:36:49  [<ffffffffa075db8c>] ? lustre_msg_get_transno+0x8c/0x100 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa0e4b735>] ? mds_regular_handle+0x15/0x20 [mdt]
2014-02-09 19:36:49  [<ffffffffa076d3a8>] ? ptlrpc_server_handle_request+0x398/0xc60 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa04025de>] ? cfs_timer_arm+0xe/0x10 [libcfs]
2014-02-09 19:36:49  [<ffffffffa0413d3f>] ? lc_watchdog_touch+0x6f/0x170 [libcfs]
2014-02-09 19:36:49  [<ffffffffa0764709>] ? ptlrpc_wait_event+0xa9/0x290 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa076e73e>] ? ptlrpc_main+0xace/0x1700 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa076dc70>] ? ptlrpc_main+0x0/0x1700 [ptlrpc]
2014-02-09 19:36:49  [<ffffffff8100c0ca>] ? child_rip+0xa/0x20
2014-02-09 19:36:49  [<ffffffffa076dc70>] ? ptlrpc_main+0x0/0x1700 [ptlrpc]
2014-02-09 19:36:49  [<ffffffffa076dc70>] ? ptlrpc_main+0x0/0x1700 [ptlrpc]
2014-02-09 19:36:49  [<ffffffff8100c0c0>] ? child_rip+0x0/0x20