#0  0xb751659b in vfprintf () from /lib/i686/cmov/libc.so.6
#1  0xb7536150 in vsnprintf () from /lib/i686/cmov/libc.so.6
#2  0x0817c2c8 in __ast_str_helper (buf=0xaf3dfab4, max_len=8192, append=0, fmt=0x81e19a4 "Found duplicate exten. Had %s found %s\n", ap=0xaf3dfb24 "handdpd\bPÃÂ\001") at strings.c:72
#3  0x0818cd8a in ast_str_set_va (buf=0xaf3dfab4, max_len=8192, fmt=0x81e19a4 "Found duplicate exten. Had %s found %s\n", ap=0xaf3dfb24 "handdpd\bPÃÂ\001")
    at /usr/home/markm/asterisk/1.8.5-custom/include/asterisk/strings.h:776
#4  0x0811c16c in ast_log (level=3, file=0x81e0874 "pbx.c", line=2060, function=0x81e662b "add_exten_to_pattern_tree", fmt=0x81e19a4 "Found duplicate exten. Had %s found %s\n") at logger.c:1230
#5  0x081364e4 in add_exten_to_pattern_tree (con=0x8644700, e1=0x8647028, findonly=1) at pbx.c:2060
#6  0x081489de in add_priority (con=0x8644700, tmp=0x86721b8, el=0x0, e=0x8647028, replace=1) at pbx.c:8196
#7  0x081491b4 in ast_add_extension2_lockopt (con=0x8644700, replace=1, extension=0xaf3e1440 "end", priority=1, label=0x0, callerid=0x0, application=0xaf3e1446 "Answer", data=0x8625a28, datad=0x8064710 <free@plt>,
    registrar=0xb6d1d7f1 "pbx_config", lock_context=1) at pbx.c:8418
#8  0x08148cd0 in ast_add_extension2 (con=0x8644700, replace=1, extension=0xaf3e1440 "end", priority=1, label=0x0, callerid=0x0, application=0xaf3e1446 "Answer", data=0x8625a28, datad=0x8064710 <free@plt>,
    registrar=0xb6d1d7f1 "pbx_config") at pbx.c:8293
#9  0x08147f24 in ast_add_extension (context=0x86ba38a "callQueueTestHelper", replace=1, extension=0xaf3e1440 "end", priority=1, label=0x0, callerid=0x0, application=0xaf3e1446 "Answer", data=0x8625a28,
    datad=0x8064710 <free@plt>, registrar=0xb6d1d7f1 "pbx_config") at pbx.c:7963
#10 0xb6d1ab00 in handle_cli_dialplan_add_extension (e=0xb6d20600, cmd=-4, a=0xaf3e14e4) at pbx_config.c:985
#11 0x080ca16b in ast_cli_command_full (uid=-1, gid=-1, fd=19, s=0xaf3e1a39 "dialplan add extension end,1,Answer,", ' ' <repeats 24 times>, "into callQueueTestHelper replace") at cli.c:2605
#12 0x08124f30 in action_command (s=0xaf3e2140, m=0xaf3e1ec8) at manager.c:3670
#13 0x08128b7c in process_message (s=0xaf3e2140, m=0xaf3e1ec8) at manager.c:4753
#14 0x0812937b in do_message (s=0xaf3e2140) at manager.c:4913
#15 0x081297e2 in session_do (data=0x86910d0) at manager.c:5004
#16 0x0817f36d in handle_tcptls_connection (data=0x86910d0) at tcptls.c:233
#17 0x0818e9c5 in dummy_start (data=0x8631e78) at utils.c:1004
#18 0xb7385955 in start_thread () from /lib/i686/cmov/libpthread.so.0
#19 0xb75a1e7e in clone () from /lib/i686/cmov/libc.so.6
(gdb)