=======================================================================
=== Currently Held Locks ==============================================
=======================================================================
===
=== <pending> <lock#> (<file>): <lock type> <line num> <function> <lock name> <lock addr> (times locked)
===
=== Thread ID: -1227080816 (tps_processing_function started at [  451] taskprocessor.c ast_taskprocessor_get())
=== ---> Lock #0 (pbx.c): MUTEX 9911 ast_rdlock_contexts &conlock 0x8216580 (1)
        /usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x811e566]
        /usr/sbin/asterisk(__ast_pthread_mutex_lock+0x92) [0x8117eed]
        /usr/sbin/asterisk(ast_rdlock_contexts+0x32) [0x8152746]
        /usr/sbin/asterisk [0x813f938]
        /usr/sbin/asterisk [0x81835f3]
        /usr/sbin/asterisk [0x81948c6]
        /lib/i686/cmov/libpthread.so.0 [0xb72f24c0]
        /lib/i686/cmov/libc.so.6(clone+0x5e) [0xb752284e]
=== ---> Lock #1 (pbx.c): MUTEX 4271 handle_statechange hints 0x99a8550 (1)
        /usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x811e566]
        /usr/sbin/asterisk(__ast_pthread_mutex_lock+0x92) [0x8117eed]
        /usr/sbin/asterisk(__ao2_lock+0x4a) [0x80858d8]
        /usr/sbin/asterisk [0x813f965]
        /usr/sbin/asterisk [0x81835f3]
        /usr/sbin/asterisk [0x81948c6]
        /lib/i686/cmov/libpthread.so.0 [0xb72f24c0]
        /lib/i686/cmov/libc.so.6(clone+0x5e) [0xb752284e]
=== ---> Lock #2 (pbx.c): MUTEX 4272 handle_statechange hint 0xabc1c68 (1)
        /usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x811e566]
        /usr/sbin/asterisk(__ast_pthread_mutex_lock+0x92) [0x8117eed]
        /usr/sbin/asterisk(__ao2_lock+0x4a) [0x80858d8]
        /usr/sbin/asterisk [0x813f990]
        /usr/sbin/asterisk [0x81835f3]
        /usr/sbin/asterisk [0x81948c6]
        /lib/i686/cmov/libpthread.so.0 [0xb72f24c0]
        /lib/i686/cmov/libc.so.6(clone+0x5e) [0xb752284e]
=== ---> Waiting for Lock #3 (chan_sip.c): MUTEX 13594 cb_extensionstate p 0xab24d70 (1)
        /usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x811e566]
        /usr/sbin/asterisk(__ast_pthread_mutex_lock+0x92) [0x8117eed]
        /usr/sbin/asterisk(__ao2_lock+0x4a) [0x80858d8]
        /usr/lib/asterisk/modules/chan_sip.so [0xb6991475]
        /usr/sbin/asterisk [0x813fa89]
        /usr/sbin/asterisk [0x81835f3]
        /usr/sbin/asterisk [0x81948c6]
        /lib/i686/cmov/libpthread.so.0 [0xb72f24c0]
        /lib/i686/cmov/libc.so.6(clone+0x5e) [0xb752284e]
=== --- ---> Locked Here: chan_sip.c line 7472 (find_call)
=== --- ---> Locked Here: chan_sip.c line 13594 (cb_extensionstate)
=== -------------------------------------------------------------------
===
=== Thread ID: -1326318704 (do_monitor           started at [24482] chan_sip.c restart_monitor())
=== ---> Lock #0 (chan_sip.c): MUTEX 23976 handle_request_do &netlock 0xb6a090c0 (1)
        /usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x811e566]
        /usr/sbin/asterisk(__ast_pthread_mutex_lock+0x92) [0x8117eed]
        /usr/lib/asterisk/modules/chan_sip.so [0xb69c5e95]
        /usr/lib/asterisk/modules/chan_sip.so [0xb69c5c64]
        /usr/sbin/asterisk(ast_io_wait+0x14d) [0x811280b]
        /usr/lib/asterisk/modules/chan_sip.so [0xb69c7b62]
        /usr/sbin/asterisk [0x81948c6]
        /lib/i686/cmov/libpthread.so.0 [0xb72f24c0]
        /lib/i686/cmov/libc.so.6(clone+0x5e) [0xb752284e]
=== ---> Lock #1 (chan_sip.c): MUTEX 7472 find_call sip_pvt_ptr 0xab24d70 (2)
        /usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x811e566]
        /usr/sbin/asterisk(__ast_pthread_mutex_lock+0x92) [0x8117eed]
        /usr/sbin/asterisk(__ao2_lock+0x4a) [0x80858d8]
        /usr/lib/asterisk/modules/chan_sip.so [0xb6991475]
        /usr/lib/asterisk/modules/chan_sip.so [0xb69b4fb4]
        /usr/lib/asterisk/modules/chan_sip.so [0xb69c4767]
        /usr/lib/asterisk/modules/chan_sip.so [0xb69c64a6]
        /usr/lib/asterisk/modules/chan_sip.so [0xb69c5c64]
        /usr/sbin/asterisk(ast_io_wait+0x14d) [0x811280b]
        /usr/lib/asterisk/modules/chan_sip.so [0xb69c7b62]
        /usr/sbin/asterisk [0x81948c6]
        /lib/i686/cmov/libpthread.so.0 [0xb72f24c0]
        /lib/i686/cmov/libc.so.6(clone+0x5e) [0xb752284e]
=== ---> Waiting for Lock #2 (pbx.c): MUTEX 9911 ast_rdlock_contexts &conlock 0x8216580 (1)
        /usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x811e566]
        /usr/sbin/asterisk(__ast_pthread_mutex_lock+0x92) [0x8117eed]
        /usr/sbin/asterisk(ast_rdlock_contexts+0x32) [0x8152746]
        /usr/sbin/asterisk [0x813eba2]
        /usr/sbin/asterisk(ast_exists_extension+0x55) [0x814083e]
        /usr/sbin/asterisk [0x81427c2]
        /usr/sbin/asterisk [0x8142e43]
        /usr/sbin/asterisk [0x81948c6]
        /lib/i686/cmov/libpthread.so.0 [0xb72f24c0]
        /lib/i686/cmov/libc.so.6(clone+0x5e) [0xb752284e]
=== --- ---> Locked Here: pbx.c line 9911 (ast_rdlock_contexts)
=== -------------------------------------------------------------------
===
=== Thread ID: -1331139696 (pbx_thread           started at [ 5035] pbx.c ast_pbx_start())
=== ---> Waiting for Lock #0 (pbx.c): MUTEX 9911 ast_rdlock_contexts &conlock 0x8216580 (1)
        /usr/sbin/asterisk(ast_bt_get_addresses+0x19) [0x811e566]
        /usr/sbin/asterisk(__ast_pthread_mutex_lock+0x92) [0x8117eed]
        /usr/sbin/asterisk(ast_rdlock_contexts+0x32) [0x8152746]
        /usr/sbin/asterisk [0x813eba2]
        /usr/sbin/asterisk(ast_exists_extension+0x55) [0x814083e]
        /usr/sbin/asterisk [0x81427c2]
        /usr/sbin/asterisk [0x8142e43]
        /usr/sbin/asterisk [0x81948c6]
        /lib/i686/cmov/libpthread.so.0 [0xb72f24c0]
        /lib/i686/cmov/libc.so.6(clone+0x5e) [0xb752284e]
=== --- ---> Locked Here: pbx.c line 9911 (ast_rdlock_contexts)
=== -------------------------------------------------------------------
===
=======================================================================