=======================================================================
=== Currently Held Locks ==============================================
=======================================================================
===
=== <pending> <lock#> (<file>): <lock type> <line num> <function> <lock name> <lock addr> (times locked)
===
=== Thread ID: -1243321488 (do_monitor           started at [24712] chan_sip.c restart_monitor())
=== ---> Lock #0 (chan_sip.c): MUTEX 24201 handle_request_do &netlock 0xb6848800 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x811990b]
	/usr/sbin/asterisk(__ast_pthread_mutex_lock+0xae) [0x811351d]
	/usr/lib/asterisk/modules/chan_sip.so(+0x70a51) [0xb6807a51]
	/usr/lib/asterisk/modules/chan_sip.so(+0x7083f) [0xb680783f]
	/usr/sbin/asterisk(ast_io_wait+0x144) [0x810e000]
	/usr/lib/asterisk/modules/chan_sip.so(+0x72670) [0xb6809670]
	/usr/sbin/asterisk() [0x8189572]
	/lib/libpthread.so.0(+0x5b25) [0xb72d3b25]
	/lib/libc.so.6(clone+0x5e) [0xb754e46e]
=== ---> Lock #1 (astobj2.c): MUTEX 657 internal_ao2_callback c 0x84c8f78 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x811990b]
	/usr/sbin/asterisk(__ast_pthread_mutex_lock+0xae) [0x811351d]
	/usr/sbin/asterisk(__ao2_lock+0x48) [0x8088848]
	/usr/sbin/asterisk() [0x808939e]
	/usr/sbin/asterisk(__ao2_callback+0x56) [0x8089829]
	/usr/sbin/asterisk(__ao2_find+0x29) [0x8089945]
	/usr/sbin/asterisk() [0x80ac606]
	/usr/sbin/asterisk(ast_channel_get_by_name+0x29) [0x80ac63a]
	/usr/lib/asterisk/modules/func_channel.so(+0x3c71) [0xb6526c71]
	/usr/sbin/asterisk(ast_func_write+0x142) [0x8137107]
	/usr/sbin/asterisk(pbx_builtin_setvar_helper+0x94) [0x814961c]
	/usr/lib/asterisk/modules/chan_sip.so(+0x6f510) [0xb6806510]
	/usr/lib/asterisk/modules/chan_sip.so(+0x71058) [0xb6808058]
	/usr/lib/asterisk/modules/chan_sip.so(+0x7083f) [0xb680783f]
	/usr/sbin/asterisk(ast_io_wait+0x144) [0x810e000]
	/usr/lib/asterisk/modules/chan_sip.so(+0x72670) [0xb6809670]
	/usr/sbin/asterisk() [0x8189572]
	/lib/libpthread.so.0(+0x5b25) [0xb72d3b25]
	/lib/libc.so.6(clone+0x5e) [0xb754e46e]
=== ---> Waiting for Lock #2 (channel.c): MUTEX 1641 ast_channel_cmp_cb chan 0x87761e8 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x811990b]
	/usr/sbin/asterisk(__ast_pthread_mutex_lock+0xae) [0x811351d]
	/usr/sbin/asterisk(__ao2_lock+0x48) [0x8088848]
	/usr/sbin/asterisk() [0x80ac2a9]
	/usr/sbin/asterisk() [0x8089464]
	/usr/sbin/asterisk(__ao2_callback+0x56) [0x8089829]
	/usr/sbin/asterisk(__ao2_find+0x29) [0x8089945]
	/usr/sbin/asterisk() [0x80ac606]
	/usr/sbin/asterisk(ast_channel_get_by_name+0x29) [0x80ac63a]
	/usr/lib/asterisk/modules/func_channel.so(+0x3c71) [0xb6526c71]
	/usr/sbin/asterisk(ast_func_write+0x142) [0x8137107]
	/usr/sbin/asterisk(pbx_builtin_setvar_helper+0x94) [0x814961c]
	/usr/lib/asterisk/modules/chan_sip.so(+0x6f510) [0xb6806510]
	/usr/lib/asterisk/modules/chan_sip.so(+0x71058) [0xb6808058]
	/usr/lib/asterisk/modules/chan_sip.so(+0x7083f) [0xb680783f]
	/usr/sbin/asterisk(ast_io_wait+0x144) [0x810e000]
	/usr/lib/asterisk/modules/chan_sip.so(+0x72670) [0xb6809670]
	/usr/sbin/asterisk() [0x8189572]
	/lib/libpthread.so.0(+0x5b25) [0xb72d3b25]
	/lib/libc.so.6(clone+0x5e) [0xb754e46e]
=== --- ---> Locked Here: channel.c line 3661 (__ast_read)
=== -------------------------------------------------------------------
===
=== Thread ID: -1246692496 (handle_tcptls_connection started at [  274] tcptls.c ast_tcptls_server_root())
=== ---> Waiting for Lock #0 (astobj2.c): MUTEX 842 internal_ao2_iterator_next a->c 0x84c8f78 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x811990b]
	/usr/sbin/asterisk(__ast_pthread_mutex_lock+0xae) [0x811351d]
	/usr/sbin/asterisk(__ao2_lock+0x48) [0x8088848]
	/usr/sbin/asterisk() [0x8089a74]
	/usr/sbin/asterisk(__ao2_iterator_next+0x26) [0x8089de1]
	/usr/sbin/asterisk(ast_channel_iterator_next+0x14) [0x80ac257]
	/usr/sbin/asterisk() [0x81203ab]
	/usr/sbin/asterisk() [0x81250aa]
	/usr/sbin/asterisk() [0x8125862]
	/usr/sbin/asterisk() [0x8125cc6]
	/usr/sbin/asterisk() [0x817a426]
	/usr/sbin/asterisk() [0x8189572]
	/lib/libpthread.so.0(+0x5b25) [0xb72d3b25]
	/lib/libc.so.6(clone+0x5e) [0xb754e46e]
=== --- ---> Locked Here: astobj2.c line 657 (internal_ao2_callback)
=== -------------------------------------------------------------------
===
=== Thread ID: -1245955216 (pbx_thread           started at [ 5038] pbx.c ast_pbx_start())
=== ---> Lock #0 (channel.c): MUTEX 3661 __ast_read chan 0x87761e8 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x811990b]
	/usr/sbin/asterisk(__ast_pthread_mutex_trylock+0xae) [0x8113882]
	/usr/sbin/asterisk(__ao2_trylock+0x48) [0x80888dc]
	/usr/lib/asterisk/modules/chan_sip.so(+0x70b9a) [0xb6807b9a]
	/usr/lib/asterisk/modules/chan_sip.so(+0x7083f) [0xb680783f]
	/usr/sbin/asterisk(ast_io_wait+0x144) [0x810e000]
	/usr/lib/asterisk/modules/chan_sip.so(+0x72670) [0xb6809670]
	/usr/sbin/asterisk() [0x8189572]
	/lib/libpthread.so.0(+0x5b25) [0xb72d3b25]
	/lib/libc.so.6(clone+0x5e) [0xb754e46e]
=== -------------------------------------------------------------------
===
=======================================================================