=======================================================================
=== Currently Held Locks ==============================================
=======================================================================
===
=== <pending> <lock#> (<file>): <lock type> <line num> <function> <lock name> <lock addr> (ti
mes locked)
===
=== Thread ID: 0xb5761b70 (do_monitor           started at [25114] chan_sip.c restart_monitor
())
=== ---> Lock #0 (astobj2.c): MUTEX 657 internal_ao2_callback c 0x101d3950 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x8117ed2]
	/usr/sbin/asterisk(__ast_pthread_mutex_lock+0xae) [0x8111aa6]
	/usr/sbin/asterisk(__ao2_lock+0x48) [0x8084e00]
	/usr/sbin/asterisk() [0x8085956]
	/usr/sbin/asterisk(__ao2_callback+0x56) [0x8085de1]
	/usr/lib/asterisk/modules/chan_sip.so(+0x74488) [0xb6552488]
	/usr/sbin/asterisk() [0x8189389]
	/lib/i686/cmov/libpthread.so.0(+0x5955) [0xb7473955]
	/lib/i686/cmov/libc.so.6(clone+0x5e) [0xb7680e7e]
=== ---> Lock #1 (chan_sip.c): MUTEX 16399 dialog_needdestroy dialog 0x10433ef0 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x8117ed2]
	/usr/sbin/asterisk(__ast_pthread_mutex_trylock+0xae) [0x8111e0e]
	/usr/sbin/asterisk(__ao2_trylock+0x48) [0x8084e94]
	/usr/lib/asterisk/modules/chan_sip.so(+0x4d5b1) [0xb652b5b1]
	/usr/sbin/asterisk() [0x8085a1c]
	/usr/sbin/asterisk(__ao2_callback+0x56) [0x8085de1]
	/usr/lib/asterisk/modules/chan_sip.so(+0x74488) [0xb6552488]
	/usr/sbin/asterisk() [0x8189389]
	/lib/i686/cmov/libpthread.so.0(+0x5955) [0xb7473955]
	/lib/i686/cmov/libc.so.6(clone+0x5e) [0xb7680e7e]
=== -------------------------------------------------------------------
===
=======================================================================