Core was generated by `/usr/sbin/asterisk -U asterisk -G asterisk -vvv -p -fg -c'.
Program terminated with signal 11, Segmentation fault.
#0  ast_cdr_start (cdr=0x3b0) at cdr.c:699
699                     if (!ast_test_flag(cdr, AST_CDR_FLAG_LOCKED)) {
(gdb) where
#0  ast_cdr_start (cdr=0x3b0) at cdr.c:699
#1  0x0807bcc5 in ast_cdr_specialized_reset (cdr=0x8219ae0, _flags=0x0) at cdr.c:1097
#2  0xb675128a in ast_bridge_call (chan=0x82168b8, peer=0x82196e8, config=0xb5d3649c) at res_features.c:1696
#3  0xb6752e22 in builtin_atxfer (chan=0x82168b8, peer=0x8217d90, config=0xb5d369f4, code=0xb5d3681c "#0", sense=1, data=0x0)
   from /usr/lib/asterisk/modules/res_features.so
#4  0xb67504b6 in ast_feature_interpret (chan=0x82168b8, peer=0x8217d90, config=0xb5d369f4, code=0xb5d3681c "#0", sense=1)
   from /usr/lib/asterisk/modules/res_features.so
#5  0xb6751466 in ast_bridge_call (chan=0x82168b8, peer=0x8217d90, config=0x0) at res_features.c:1626
#6  0xb60f4005 in dial_exec_full (chan=0x82168b8, data=0xb60f5c21, peerflags=0xb5d37794, continue_exec=0x0) at app_dial.c:1780
#7  0xb60f5770 in dial_exec (chan=0x82168b8, data=0xb5d39a58) at app_dial.c:1834
#8  0x080c4d5a in pbx_exec (c=0x82168b8, app=0x81e7050, data=0xb5d39a58) at pbx.c:559
#9  0x080cb20c in pbx_extension_helper (c=0x82168b8, con=<value optimized out>, context=0x8216a38 "macro-LocalDial", exten=0x8216a88 "s", priority=13,
    label=0x0, callerid=0x81ffe00 "101", action=E_SPAWN) at pbx.c:1887
#10 0xb60df082 in _macro_exec (chan=0x82168b8, data=<value optimized out>, exclusive=0) at app_macro.c:308
#11 0x080c4d5a in pbx_exec (c=0x82168b8, app=0x81e9498, data=0xb5d3eac8) at pbx.c:559
#12 0x080cb20c in pbx_extension_helper (c=0x82168b8, con=<value optimized out>, context=0x8216a38 "macro-LocalDial", exten=0x8216a88 "s", priority=11,
    label=0x0, callerid=0x81ffe00 "101", action=E_SPAWN) at pbx.c:1887
#13 0xb60df082 in _macro_exec (chan=0x82168b8, data=<value optimized out>, exclusive=0) at app_macro.c:308
#14 0x080c4d5a in pbx_exec (c=0x82168b8, app=0x81e9498, data=0xb5d43b38) at pbx.c:559
#15 0x080cb20c in pbx_extension_helper (c=0x82168b8, con=<value optimized out>, context=0x8216a38 "macro-LocalDial", exten=0x8216a88 "s", priority=5,
    label=0x0, callerid=0x81ffe00 "101", action=E_SPAWN) at pbx.c:1887
#16 0xb60df082 in _macro_exec (chan=0x82168b8, data=<value optimized out>, exclusive=0) at app_macro.c:308
#17 0x080c4d5a in pbx_exec (c=0x82168b8, app=0x81e9498, data=0xb5d48bb8) at pbx.c:559
#18 0x080cb20c in pbx_extension_helper (c=0x82168b8, con=<value optimized out>, context=0x8216a38 "macro-LocalDial", exten=0x8216a88 "s", priority=1,
    label=0x0, callerid=0x81ffe00 "101", action=E_SPAWN) at pbx.c:1887
#19 0x080cc257 in __ast_pbx_run (c=0x82168b8) at pbx.c:2431
#20 0x080ccdd2 in ast_pbx_run (c=0x82168b8) at pbx.c:2687
#21 0xb66b90d3 in ss_thread (data=0x82168b8) at chan_dahdi.c:5993
#22 0x08102a29 in dummy_start (data=0x81d4358) at utils.c:912
#23 0xb7f114e2 in start_thread () from /lib/i686/libpthread.so.0
#24 0xb6f4347e in clone () from /lib/i686/libc.so.6
(gdb) frame 0
#0  ast_cdr_start (cdr=0x3b0) at cdr.c:699
699                     if (!ast_test_flag(cdr, AST_CDR_FLAG_LOCKED)) {
(gdb) print *cdr
Cannot access memory at address 0x3b0
(gdb) frame 1
#1  0x0807bcc5 in ast_cdr_specialized_reset (cdr=0x8219ae0, _flags=0x0) at cdr.c:1097
1097            ast_cdr_start(cdr);
(gdb) print *cdr
$1 = {
  clid = "H$��H$���\232!\b�\232!\b8@defaul \000\000\000 \000\000\000\000\000\000\000\023\233!\bDIALSTATUS\000ANSWER\000\000\000\231\v\000\000\000\217!\b��!\b\000\000\000\000\000\000\000", src = '\0' <repeats 79 times>, dst = "158", '\0' <repeats 76 times>, dcontext = "default", '\0' <repeats 72 times>,
  channel = "Local/158@default-4797,1", '\0' <repeats 55 times>, dstchannel = '\0' <repeats 79 times>, lastapp = '\0' <repeats 79 times>,
  lastdata = '\0' <repeats 79 times>, start = {tv_sec = 1220904430, tv_usec = 641612}, answer = {tv_sec = 0, tv_usec = 0}, end = {tv_sec = 0,
    tv_usec = 0}, duration = 0, billsec = 0, disposition = 0, amaflags = 3, accountcode = '\0' <repeats 19 times>, flags = 0,
  uniqueid = "1220904424.2", '\0' <repeats 19 times>, userfield = '\0' <repeats 255 times>, varshead = {first = 0x0, last = 0x0}, next = 0x3b0}
(gdb) print cdr->next
$2 = (struct ast_cdr *) 0x3b0
(gdb) print *cdr->next
Cannot access memory at address 0x3b0
(gdb)