=======================================================================
=== Currently Held Locks ==============================================
=======================================================================
===
=== <pending> <lock#> (<file>): <lock type> <line num> <function> <lock name> <lock addr> (times locked)
===
=== Thread ID: 139977216985360 (do_monitor           started at [22809] chan_sip.c restart_monitor())
=== ---> Lock #0 (chan_sip.c): MUTEX 22259 handle_request_do &netlock 0x7f4f09f40d20 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x1d) [0x4de1fc]
	/usr/lib/asterisk/modules/chan_sip.so [0x7f4f09ca9741]
	/usr/lib/asterisk/modules/chan_sip.so [0x7f4f09d0c9b6]
	/usr/lib/asterisk/modules/chan_sip.so [0x7f4f09d0c770]
	/usr/sbin/asterisk(ast_io_wait+0x1c4) [0x4d2b88]
	/usr/lib/asterisk/modules/chan_sip.so [0x7f4f09d0e592]
	/usr/sbin/asterisk [0x566b73]
	/lib/libpthread.so.0 [0x7f4f1f318a04]
	/lib/libc.so.6(clone+0x6d) [0x7f4f1fd66d4d]
=== ---> Tried and failed to get Lock #1 (chan_sip.c): MUTEX 21319 handle_request_bye (channel lock) 0x4d24a60 (0)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x1d) [0x4de1fc]
	/usr/sbin/asterisk [0x463e37]
	/usr/sbin/asterisk(__ast_channel_trylock+0xab) [0x479553]
	/usr/lib/asterisk/modules/chan_sip.so [0x7f4f09d085e3]
	/usr/lib/asterisk/modules/chan_sip.so [0x7f4f09d0bdb2]
	/usr/lib/asterisk/modules/chan_sip.so [0x7f4f09d0ceff]
	/usr/lib/asterisk/modules/chan_sip.so [0x7f4f09d0c770]
	/usr/sbin/asterisk(ast_io_wait+0x1c4) [0x4d2b88]
	/usr/lib/asterisk/modules/chan_sip.so [0x7f4f09d0e592]
	/usr/sbin/asterisk [0x566b73]
	/lib/libpthread.so.0 [0x7f4f1f318a04]
	/lib/libc.so.6(clone+0x6d) [0x7f4f1fd66d4d]
=== -------------------------------------------------------------------
===
=== Thread ID: 139977126131984 (pbx_thread           started at [ 4627] pbx.c ast_pbx_start())
=== ---> Lock #0 (channel.c): MUTEX 2744 __ast_read (channel lock) 0x4d24a60 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x1d) [0x4de1fc]
	/usr/sbin/asterisk [0x463e37]
	/usr/sbin/asterisk(__ast_channel_trylock+0xab) [0x479553]
	/usr/sbin/asterisk [0x46c269]
	/usr/sbin/asterisk(ast_read+0x1d) [0x46e63a]
	/usr/sbin/asterisk [0x5228f5]
	/usr/sbin/asterisk(ast_rtp_bridge+0xb58) [0x52395b]
	/usr/sbin/asterisk(ast_channel_bridge+0xf45) [0x47775d]
	/usr/sbin/asterisk(ast_bridge_call+0xc55) [0x4b24f0]
	/usr/lib/asterisk/modules/app_dial.so [0x7f4f02dc4a8b]
	/usr/lib/asterisk/modules/app_dial.so [0x7f4f02dc5308]
	/usr/sbin/asterisk(pbx_exec+0x1da) [0x4f39f9]
	/usr/sbin/asterisk [0x4fc39e]
	/usr/sbin/asterisk(ast_spawn_extension+0x65) [0x4fdd12]
	/usr/sbin/asterisk [0x4fe561]
	/usr/sbin/asterisk [0x4ffcab]
	/usr/sbin/asterisk [0x566b73]
	/lib/libpthread.so.0 [0x7f4f1f318a04]
	/lib/libc.so.6(clone+0x6d) [0x7f4f1fd66d4d]
=== -------------------------------------------------------------------
===
=======================================================================