=======================================================================
=== Currently Held Locks ==============================================
=======================================================================
===
=== <pending> <lock#> (<file>): <lock type> <line num> <function> <lock name> <lock addr> (times locked)
===
=== Thread ID: -1283155088 (do_monitor           started at [24616] chan_sip.c restart_monitor())
=== ---> Lock #0 (chan_sip.c): MUTEX 24588 do_monitor &monlock 0xb6c31240 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x811496d]
	/usr/sbin/asterisk(__ast_pthread_mutex_lock+0x8b) [0x810e738]
	/usr/lib/asterisk/modules/chan_sip.so(+0x73979) [0xb6bf0979]
	/usr/sbin/asterisk() [0x8184495]
	/lib/i686/cmov/libpthread.so.0(+0x5955) [0xb759e955]
	/lib/i686/cmov/libc.so.6(clone+0x5e) [0xb77ace7e]
=== ---> Lock #1 (chan_sip.c): MUTEX 3742 __sip_autodestruct p 0xafcf7038 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x811496d]
	/usr/sbin/asterisk(__ast_pthread_mutex_lock+0x8b) [0x810e738]
	/usr/sbin/asterisk(__ao2_lock+0x48) [0x8082b6c]
	/usr/lib/asterisk/modules/chan_sip.so(+0x115ad) [0xb6b8e5ad]
	/usr/sbin/asterisk(ast_sched_runq+0x176) [0x816b5d9]
	/usr/lib/asterisk/modules/chan_sip.so(+0x73989) [0xb6bf0989]
	/usr/sbin/asterisk() [0x8184495]
	/lib/i686/cmov/libpthread.so.0(+0x5955) [0xb759e955]
	/lib/i686/cmov/libc.so.6(clone+0x5e) [0xb77ace7e]
=== -------------------------------------------------------------------
===
=== Thread ID: -1345012880 (netconsole           started at [ 1344] asterisk.c listener())
=== ---> Waiting for Lock #0 (cli.c): MUTEX 900 handle_chanlist c 0xafc23370 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x811496d]
	/usr/sbin/asterisk(__ast_pthread_mutex_trylock+0x8b) [0x810ea70]
	/usr/sbin/asterisk(__ao2_trylock+0x48) [0x8082c00]
	/usr/lib/asterisk/modules/chan_sip.so(+0x115f1) [0xb6b8e5f1]
	/usr/sbin/asterisk(ast_sched_runq+0x176) [0x816b5d9]
	/usr/lib/asterisk/modules/chan_sip.so(+0x73989) [0xb6bf0989]
	/usr/sbin/asterisk() [0x8184495]
	/lib/i686/cmov/libpthread.so.0(+0x5955) [0xb759e955]
	/lib/i686/cmov/libc.so.6(clone+0x5e) [0xb77ace7e]
=== --- ---> Locked Here: channel.c line 3636 (__ast_read)
=== -------------------------------------------------------------------
===
=== Thread ID: -1351328912 (pbx_thread           started at [ 5035] pbx.c ast_pbx_start())
=== ---> Lock #0 (channel.c): MUTEX 3636 __ast_read chan 0xafc23370 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x811496d]
	/usr/sbin/asterisk(__ast_pthread_mutex_trylock+0x8b) [0x810ea70]
	/usr/sbin/asterisk(__ao2_trylock+0x48) [0x8082c00]
	/usr/lib/asterisk/modules/chan_sip.so(+0x71dec) [0xb6beedec]
	/usr/lib/asterisk/modules/chan_sip.so(+0x71a91) [0xb6beea91]
	/usr/sbin/asterisk(ast_io_wait+0x144) [0x8109360]
	/usr/lib/asterisk/modules/chan_sip.so(+0x738c2) [0xb6bf08c2]
	/usr/sbin/asterisk() [0x8184495]
	/lib/i686/cmov/libpthread.so.0(+0x5955) [0xb759e955]
	/lib/i686/cmov/libc.so.6(clone+0x5e) [0xb77ace7e]
=== -------------------------------------------------------------------
===
=== Thread ID: -1353827472 (pbx_thread           started at [ 5035] pbx.c ast_pbx_start())
=== ---> Lock #0 (channel.c): MUTEX 4660 ast_write chan 0xae7c0220 (1)
	/usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x811496d]
	/usr/sbin/asterisk(__ast_pthread_mutex_trylock+0x8b) [0x810ea70]
	/usr/sbin/asterisk(__ao2_trylock+0x48) [0x8082c00]
	/usr/sbin/asterisk(ast_write+0xe2) [0x80ae70f]
	/usr/lib/asterisk/modules/res_musiconhold.so(+0x2c82) [0xb7068c82]
	/usr/sbin/asterisk() [0x80aa153]
	/usr/sbin/asterisk() [0x80abc1f]
	/usr/sbin/asterisk(ast_read+0x19) [0x80ad82c]
	/usr/sbin/asterisk(ast_safe_sleep_conditional+0xc0) [0x80a722e]
	/usr/sbin/asterisk(ast_safe_sleep+0x28) [0x80a73be]
	/usr/lib/asterisk/modules/res_musiconhold.so(+0x43be) [0xb706a3be]
	/usr/sbin/asterisk(pbx_exec+0x1d0) [0x812b080]
	/usr/sbin/asterisk() [0x8133a15]
	/usr/sbin/asterisk(ast_spawn_extension+0x53) [0x813524d]
	/usr/sbin/asterisk() [0x8135b51]
	/usr/sbin/asterisk() [0x8137433]
	/usr/sbin/asterisk() [0x8184495]
	/lib/i686/cmov/libpthread.so.0(+0x5955) [0xb759e955]
	/lib/i686/cmov/libc.so.6(clone+0x5e) [0xb77ace7e]
=== -------------------------------------------------------------------
===
=======================================================================