=======================================================================
=== Currently Held Locks ==============================================
=======================================================================
===
=== <pending> <lock#> (<file>): <lock type> <line num> <function> <lock name> <lock addr> (times locked)
===
=== Thread ID: 1086806352 (pbx_thread           started at [ 5035] pbx.c ast_pbx_start())
=== ---> Lock #0 (channel.c): MUTEX 4618 ast_write chan 0x1c34348 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x1a) [0x4e9375]
	/usr/sbin/asterisk(__ast_pthread_mutex_trylock+0xad) [0x4e2834]
	/usr/sbin/asterisk(__ao2_trylock+0x53) [0x4466b3]
	/usr/sbin/asterisk(ast_write+0x106) [0x476ed1]
	/usr/sbin/asterisk [0x4800ab]
	/usr/sbin/asterisk(ast_channel_bridge+0x16ea) [0x4820f2]
	/usr/sbin/asterisk(ast_bridge_call+0xde4) [0x4be159]
	/usr/lib/asterisk/modules/app_dial.so [0x7f2d164e99b4]
	/usr/lib/asterisk/modules/app_dial.so [0x7f2d164ea341]
	/usr/sbin/asterisk(pbx_exec+0x1f1) [0x501a3f]
	/usr/lib/asterisk/modules/pbx_realtime.so [0x7f2d11e71aff]
	/usr/sbin/asterisk [0x50b949]
	/usr/sbin/asterisk(ast_spawn_extension+0x64) [0x50d2fe]
	/usr/sbin/asterisk [0x50ddb4]
	/usr/sbin/asterisk [0x50fa4b]
	/usr/sbin/asterisk [0x564e30]
	/lib/libpthread.so.0 [0x7f2d352c3fc7]
	/lib/libc.so.6(clone+0x6d) [0x7f2d35d0c64d]
=== ---> Lock #1 (chan_sip.c): MUTEX 6047 sip_write p 0x1676fe8 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x1a) [0x4e9375]
	/usr/sbin/asterisk(__ast_pthread_mutex_lock+0xad) [0x4e24c7]
	/usr/sbin/asterisk(__ao2_lock+0x53) [0x44654e]
	/usr/lib/asterisk/modules/chan_sip.so [0x7f2d248047a6]
	/usr/sbin/asterisk(ast_write+0x1461) [0x47822c]
	/usr/sbin/asterisk [0x4800ab]
	/usr/sbin/asterisk(ast_channel_bridge+0x16ea) [0x4820f2]
	/usr/sbin/asterisk(ast_bridge_call+0xde4) [0x4be159]
	/usr/lib/asterisk/modules/app_dial.so [0x7f2d164e99b4]
	/usr/lib/asterisk/modules/app_dial.so [0x7f2d164ea341]
	/usr/sbin/asterisk(pbx_exec+0x1f1) [0x501a3f]
	/usr/lib/asterisk/modules/pbx_realtime.so [0x7f2d11e71aff]
	/usr/sbin/asterisk [0x50b949]
	/usr/sbin/asterisk(ast_spawn_extension+0x64) [0x50d2fe]
	/usr/sbin/asterisk [0x50ddb4]
	/usr/sbin/asterisk [0x50fa4b]
	/usr/sbin/asterisk [0x564e30]
	/lib/libpthread.so.0 [0x7f2d352c3fc7]
	/lib/libc.so.6(clone+0x6d) [0x7f2d35d0c64d]
=== -------------------------------------------------------------------
===
=======================================================================