=======================================================================
=== Currently Held Locks ==============================================
=======================================================================
===
=== <pending> <lock#> (<file>): <lock type> <line num> <function> <lock name> <lock addr> (times locked)
===
=== Thread ID: 0x7f8e1c095710 (do_monitor           started at [24874] chan_sip.c restart_monitor())
=== ---> Lock #0 (chan_sip.c): MUTEX 24393 handle_request_do &netlock 0x7f8e1442b060 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x1d) [0x4f0f01]
	/usr/sbin/asterisk(__ast_pthread_mutex_lock+0xd9) [0x4e9db7]
	/usr/lib/asterisk/modules/chan_sip.so(+0x7e1c2) [0x7f8e141df1c2]
	/usr/lib/asterisk/modules/chan_sip.so(+0x7dfbb) [0x7f8e141defbb]
	/usr/sbin/asterisk(ast_io_wait+0x19c) [0x4e408a]
	/usr/lib/asterisk/modules/chan_sip.so(+0x7f9da) [0x7f8e141e09da]
	/usr/sbin/asterisk() [0x56d7dc]
	/lib64/libpthread.so.0(+0x6a4f) [0x7f8e1d838a4f]
	/lib64/libc.so.6(clone+0x6d) [0x7f8e1e4e682d]
=== ---> Lock #1 (astobj2.c): MUTEX 668 internal_ao2_callback c 0xd92570 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x1d) [0x4f0f01]
	/usr/sbin/asterisk(__ast_pthread_mutex_lock+0xd9) [0x4e9db7]
	/usr/sbin/asterisk(__ao2_lock+0x5a) [0x449964]
	/usr/sbin/asterisk() [0x44a6c9]
	/usr/sbin/asterisk(__ao2_callback+0x5f) [0x44ac08]
	/usr/sbin/asterisk(__ao2_find+0x31) [0x44ad7a]
	/usr/sbin/asterisk() [0x471d64]
	/usr/sbin/asterisk(ast_channel_get_by_name+0x27) [0x471d95]
	/usr/lib/asterisk/modules/func_channel.so(+0x49e2) [0x7f8e131399e2]
	/usr/sbin/asterisk(ast_func_write+0x15e) [0x511214]
	/usr/sbin/asterisk(pbx_builtin_setvar_helper+0xba) [0x525778]
	/usr/lib/asterisk/modules/chan_sip.so(+0x7cfcd) [0x7f8e141ddfcd]
	/usr/lib/asterisk/modules/chan_sip.so(+0x7e377) [0x7f8e141df377]
	/usr/lib/asterisk/modules/chan_sip.so(+0x7dfbb) [0x7f8e141defbb]
	/usr/sbin/asterisk(ast_io_wait+0x19c) [0x4e408a]
	/usr/lib/asterisk/modules/chan_sip.so(+0x7f9da) [0x7f8e141e09da]
	/usr/sbin/asterisk() [0x56d7dc]
	/lib64/libpthread.so.0(+0x6a4f) [0x7f8e1d838a4f]
	/lib64/libc.so.6(clone+0x6d) [0x7f8e1e4e682d]
=== ---> Waiting for Lock #2 (channel.c): MUTEX 1667 ast_channel_cmp_cb chan 0x7f8e03e08b90 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x1d) [0x4f0f01]
	/usr/sbin/asterisk(__ast_pthread_mutex_lock+0xd9) [0x4e9db7]
	/usr/sbin/asterisk(__ao2_lock+0x5a) [0x449964]
	/usr/sbin/asterisk() [0x471985]
	/usr/sbin/asterisk() [0x44a7ba]
	/usr/sbin/asterisk(__ao2_callback+0x5f) [0x44ac08]
	/usr/sbin/asterisk(__ao2_find+0x31) [0x44ad7a]
	/usr/sbin/asterisk() [0x471d64]
	/usr/sbin/asterisk(ast_channel_get_by_name+0x27) [0x471d95]
	/usr/lib/asterisk/modules/func_channel.so(+0x49e2) [0x7f8e131399e2]
	/usr/sbin/asterisk(ast_func_write+0x15e) [0x511214]
	/usr/sbin/asterisk(pbx_builtin_setvar_helper+0xba) [0x525778]
	/usr/lib/asterisk/modules/chan_sip.so(+0x7cfcd) [0x7f8e141ddfcd]
	/usr/lib/asterisk/modules/chan_sip.so(+0x7e377) [0x7f8e141df377]
	/usr/lib/asterisk/modules/chan_sip.so(+0x7dfbb) [0x7f8e141defbb]
	/usr/sbin/asterisk(ast_io_wait+0x19c) [0x4e408a]
	/usr/lib/asterisk/modules/chan_sip.so(+0x7f9da) [0x7f8e141e09da]
	/usr/sbin/asterisk() [0x56d7dc]
	/lib64/libpthread.so.0(+0x6a4f) [0x7f8e1d838a4f]
	/lib64/libc.so.6(clone+0x6d) [0x7f8e1e4e682d]
=== --- ---> Locked Here: channel.c line 3704 (__ast_read)
=== -------------------------------------------------------------------
===
=== Thread ID: 0x7f8e0c17e710 (agent_thread         started at [  105] res_snmp.c load_module())
=== ---> Waiting for Lock #0 (astobj2.c): MUTEX 857 internal_ao2_iterator_next a->c 0xd92570 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x1d) [0x4f0f01]
	/usr/sbin/asterisk(__ast_pthread_mutex_lock+0xd9) [0x4e9db7]
	/usr/sbin/asterisk(__ao2_lock+0x5a) [0x449964]
	/usr/sbin/asterisk() [0x44aed0]
	/usr/sbin/asterisk(__ao2_iterator_next+0x2f) [0x44b300]
	/usr/sbin/asterisk(ast_channel_iterator_next+0x1c) [0x471928]
	/usr/sbin/asterisk() [0x48e6de]
	/usr/sbin/asterisk(ast_cli_command_full+0x236) [0x4931ea]
	/usr/sbin/asterisk(ast_cli_command_multiple_full+0x96) [0x493345]
	/usr/sbin/asterisk() [0x4412cc]
	/usr/sbin/asterisk() [0x56d7dc]
	/lib64/libpthread.so.0(+0x6a4f) [0x7f8e1d838a4f]
	/lib64/libc.so.6(clone+0x6d) [0x7f8e1e4e682d]
=== --- ---> Locked Here: astobj2.c line 668 (internal_ao2_callback)
=== -------------------------------------------------------------------
===
=== Thread ID: 0x7f8e07e0f710 (netconsole           started at [ 1349] asterisk.c listener())
=== ---> Waiting for Lock #0 (astobj2.c): MUTEX 857 internal_ao2_iterator_next a->c 0xd92570 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x1d) [0x4f0f01]
	/usr/sbin/asterisk(__ast_pthread_mutex_lock+0xd9) [0x4e9db7]
	/usr/sbin/asterisk(__ao2_lock+0x5a) [0x449964]
	/usr/sbin/asterisk() [0x44aed0]
	/usr/sbin/asterisk(__ao2_iterator_next+0x2f) [0x44b300]
	/usr/sbin/asterisk(ast_channel_iterator_next+0x1c) [0x471928]
	/usr/sbin/asterisk() [0x48e6de]
	/usr/sbin/asterisk(ast_cli_command_full+0x236) [0x4931ea]
	/usr/sbin/asterisk(ast_cli_command_multiple_full+0x96) [0x493345]
	/usr/sbin/asterisk() [0x4412cc]
	/usr/sbin/asterisk() [0x56d7dc]
	/lib64/libpthread.so.0(+0x6a4f) [0x7f8e1d838a4f]
	/lib64/libc.so.6(clone+0x6d) [0x7f8e1e4e682d]
=== --- ---> Locked Here: astobj2.c line 668 (internal_ao2_callback)
=== -------------------------------------------------------------------
===
=== Thread ID: 0x7f8e07a00710 (pbx_thread           started at [ 5170] pbx.c ast_pbx_start())
=== ---> Waiting for Lock #0 (astobj2.c): MUTEX 668 internal_ao2_callback c 0xd92570 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x1d) [0x4f0f01]
	/usr/sbin/asterisk(__ast_pthread_mutex_lock+0xd9) [0x4e9db7]
	/usr/sbin/asterisk(__ao2_lock+0x5a) [0x449964]
	/usr/sbin/asterisk() [0x44aed0]
	/usr/sbin/asterisk(__ao2_iterator_next+0x2f) [0x44b300]
	/usr/sbin/asterisk(ast_channel_iterator_next+0x1c) [0x471928]
	/usr/sbin/asterisk() [0x48e6de]
	/usr/sbin/asterisk(ast_cli_command_full+0x236) [0x4931ea]
	/usr/sbin/asterisk(ast_cli_command_multiple_full+0x96) [0x493345]
	/usr/sbin/asterisk() [0x4412cc]
	/usr/sbin/asterisk() [0x56d7dc]
	/lib64/libpthread.so.0(+0x6a4f) [0x7f8e1d838a4f]
	/lib64/libc.so.6(clone+0x6d) [0x7f8e1e4e682d]
=== --- ---> Locked Here: astobj2.c line 668 (internal_ao2_callback)
=== -------------------------------------------------------------------
===
=== Thread ID: 0x7f8e07908710 (pbx_thread           started at [ 5170] pbx.c ast_pbx_start())
=== ---> Waiting for Lock #0 (astobj2.c): MUTEX 668 internal_ao2_callback c 0xd92570 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x1d) [0x4f0f01]
	/usr/sbin/asterisk(__ast_pthread_mutex_lock+0xd9) [0x4e9db7]
	/usr/sbin/asterisk(__ao2_lock+0x5a) [0x449964]
	/usr/sbin/asterisk() [0x44aed0]
	/usr/sbin/asterisk(__ao2_iterator_next+0x2f) [0x44b300]
	/usr/sbin/asterisk(ast_channel_iterator_next+0x1c) [0x471928]
	/usr/sbin/asterisk() [0x48e6de]
	/usr/sbin/asterisk(ast_cli_command_full+0x236) [0x4931ea]
	/usr/sbin/asterisk(ast_cli_command_multiple_full+0x96) [0x493345]
	/usr/sbin/asterisk() [0x4412cc]
	/usr/sbin/asterisk() [0x56d7dc]
	/lib64/libpthread.so.0(+0x6a4f) [0x7f8e1d838a4f]
	/lib64/libc.so.6(clone+0x6d) [0x7f8e1e4e682d]
=== --- ---> Locked Here: astobj2.c line 668 (internal_ao2_callback)
=== -------------------------------------------------------------------
===
=== Thread ID: 0x7f8e07810710 (pbx_thread           started at [ 5170] pbx.c ast_pbx_start())
=== ---> Lock #0 (channel.c): MUTEX 3704 __ast_read chan 0x7f8e03e08b90 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x1d) [0x4f0f01]
	/usr/sbin/asterisk(__ast_pthread_mutex_lock+0xd9) [0x4e9db7]
	/usr/sbin/asterisk(__ao2_lock+0x5a) [0x449964]
	/usr/lib/asterisk/modules/chan_sip.so(+0x2a419) [0x7f8e1418b419]
	/usr/lib/asterisk/modules/chan_sip.so(+0x7e29c) [0x7f8e141df29c]
	/usr/lib/asterisk/modules/chan_sip.so(+0x7dfbb) [0x7f8e141defbb]
	/usr/sbin/asterisk(ast_io_wait+0x19c) [0x4e408a]
	/usr/lib/asterisk/modules/chan_sip.so(+0x7f9da) [0x7f8e141e09da]
	/usr/sbin/asterisk() [0x56d7dc]
	/lib64/libpthread.so.0(+0x6a4f) [0x7f8e1d838a4f]
	/lib64/libc.so.6(clone+0x6d) [0x7f8e1e4e682d]
=== -------------------------------------------------------------------
===
=======================================================================