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Summary:ASTERISK-20656: Deadlock in pthread
Reporter:Michael Cramer (micc)Labels:
Date Opened:2012-11-06 19:25:28.000-0600Date Closed:2012-11-06 19:30:26.000-0600
Priority:CriticalRegression?
Status:Closed/CompleteComponents:
Versions:11.0.0 Frequency of
Occurrence		Frequent
Related
Issues:
Environment:CentOS 5.8 XenAttachments:
Description:I believe I hit this lock a number of times today. Not sure what caused it. There are 31 sip peers on this server. There are 10 phones that subscribe to a lot of blf hints, custom hints. There is a big use of ConfBridge.
=======================================================================
=== Currently Held Locks ==============================================
=======================================================================
===
=== <pending> <lock#> (<file>): <lock type> <line num> <function> <lock name> <lock addr> (times locked)
===
=== Thread ID: 0x41c86940 (do_timing            started at [  483] res_timing_pthread.c init_timing_thread())
=== ---> Lock #0 (astobj2.c): MUTEX 1069 internal_ao2_callback c 0x2aaaaca92030 (1)
       /usr/sbin/asterisk(ast_bt_get_addresses+0x1a) [0x508c04]
       /usr/sbin/asterisk(__ast_pthread_mutex_lock+0xf6) [0x500eda]
       /usr/sbin/asterisk(__ao2_lock+0x97) [0x44de1f]
       /usr/sbin/asterisk [0x44f6e4]
       /usr/sbin/asterisk(__ao2_callback+0x59) [0x44fca7]
       /usr/lib/asterisk/modules/res_timing_pthread.so [0x2aaab735ce91]
       /usr/sbin/asterisk [0x593a13]
       /lib64/libpthread.so.0 [0x3b9200677d]
       /lib64/libc.so.6(clone+0x6d) [0x3b918d33ed]
=== ---> Lock #1 (res_timing_pthread.c): MUTEX 441 run_timer timer 0x10ca2950 (1)
       /usr/sbin/asterisk(ast_bt_get_addresses+0x1a) [0x508c04]
       /usr/sbin/asterisk(__ast_pthread_mutex_lock+0xf6) [0x500eda]
       /usr/sbin/asterisk(__ao2_lock+0x97) [0x44de1f]
       /usr/lib/asterisk/modules/res_timing_pthread.so [0x2aaab735cdf1]
       /usr/sbin/asterisk [0x44f814]
       /usr/sbin/asterisk(__ao2_callback+0x59) [0x44fca7]
       /usr/lib/asterisk/modules/res_timing_pthread.so [0x2aaab735ce91]
       /usr/sbin/asterisk [0x593a13]
       /lib64/libpthread.so.0 [0x3b9200677d]
       /lib64/libc.so.6(clone+0x6d) [0x3b918d33ed]
=== -------------------------------------------------------------------
===
=======================================================================
Comments:By: Michael Cramer (micc) 2012-11-06 19:30:26.403-0600

I think this could be a problem with a change I made in ConfBridge