#0  0x00002b3c8834c0ca in pthread_rwlock_wrlock () from /lib/libpthread.so.0
#1  0x0000000000474c5c in ast_rwlock_wrlock (prwlock=0x2108a63be8) at /home/jeffg/wc/asterisk-1.6.0-rc6/include/asterisk/lock.h:1132
#2  0x0000000000474d0d in ast_event_unsubscribe (sub=0xa29930) at event.c:355
#3  0x00002aaac006275e in destroy_dahdi_pvt (pvt=0x4073e240) at chan_dahdi.c:2770
#4  0x00002aaac006290a in destroy_channel (prev=0x0, cur=0xa11530, now=0) at chan_dahdi.c:2812
#5  0x00002aaac00640a9 in dahdi_hangup (ast=0xa12880) at chan_dahdi.c:3341
#6  0x000000000044ab88 in ast_hangup (chan=0xa12880) at channel.c:1638
#7  0x00002aaab1824076 in conf_free (conf=0xa549c0) at app_meetme.c:1352
#8  0x00002aaab18245cb in dispose_conf (conf=0xa549c0) at app_meetme.c:1455
#9  0x00002aaab182c56e in conf_exec (chan=0xa53980, data=0x40740d80) at app_meetme.c:3197
#10 0x00000000004aac30 in pbx_exec (c=0xa53980, app=0x910eb0, data=0x40740d80) at pbx.c:944
#11 0x00000000004b22db in pbx_extension_helper (c=0xa53980, con=0x0, context=0xa53bd8 "opennmsgroup-trusted", exten=0xa53c28 "scrum", priority=1, label=0x0, 
    callerid=0xa4f7d0 "7754", action=E_SPAWN, found=0x40742f14, combined_find_spawn=1) at pbx.c:3113
#12 0x00000000004b3860 in ast_spawn_extension (c=0xa53980, context=0xa53bd8 "opennmsgroup-trusted", exten=0xa53c28 "scrum", priority=1, 
    callerid=0xa4f7d0 "7754", found=0x40742f14, combined_find_spawn=1) at pbx.c:3604
#13 0x00000000004b3fa2 in __ast_pbx_run (c=0xa53980) at pbx.c:3690
#14 0x00000000004b5325 in pbx_thread (data=0xa53980) at pbx.c:3954
#15 0x0000000000506b61 in dummy_start (data=0xa29950) at utils.c:917
#16 0x00002b3c88348317 in start_thread () from /lib/libpthread.so.0
#17 0x00002b3c87eb5d5d in clone () from /lib/libc.so.6
#18 0x0000000000000000 in ?? ()