(gdb) bt full
#0  0xb70a1c23 in strlen () from /lib/i686/libc.so.6
No symbol table info available.
#1  0xb70a1945 in strdup () from /lib/i686/libc.so.6
No symbol table info available.
#2  0x08116113 in ast_merge_contexts_and_delete (extcontexts=0xb6ea3cac, exttable=0x834da70, registrar=0xb701d311 "pbx_ael") at pbx.c:5923
        q = {incstack = {0x0 <repeats 128 times>}, stacklen = 0, status = 5, swo = 0x0, data = 0x0, foundcontext = 0x83716f8 "linestates"}
        ft = 3.6433879153076038e-309
        tmp = (struct ast_context *) 0x0
        oldcontextslist = (struct ast_context *) 0x82c6580
        oldtable = (struct ast_hashtab *) 0x82966d8
        store = {first = 0x83716b0, last = 0x83532c8, lock = {track = {file = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, lineno = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, reentrancy = 0, func = {0x0, 0x0,
        0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, thread = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, backtrace = {{addresses = {0x0 <repeats 32 times>}, num_frames = 0, alloced = 0}, {addresses = {
            0x0 <repeats 32 times>}, num_frames = 0, alloced = 0}, {addresses = {0x0 <repeats 32 times>}, num_frames = 0, alloced = 0}, {addresses = {0x0 <repeats 32 times>}, num_frames = 0, alloced = 0}, {
          addresses = {0x0 <repeats 32 times>}, num_frames = 0, alloced = 0}, {addresses = {0x0 <repeats 32 times>}, num_frames = 0, alloced = 0}, {addresses = {0x0 <repeats 32 times>}, num_frames = 0,
          alloced = 0}, {addresses = {0x0 <repeats 32 times>}, num_frames = 0, alloced = 0}, {addresses = {0x0 <repeats 32 times>}, num_frames = 0, alloced = 0}, {addresses = {0x0 <repeats 32 times>},
          num_frames = 0, alloced = 0}}, reentr_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __kind = 1, __nusers = 0, {__spins = 0, __list = {__next = 0x0}}},
        __size = '\0' <repeats 12 times>, "\001\000\000\000\000\000\000\000\000\000\000", __align = 0}}, tracking = 1, mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __kind = 1, __nusers = 0, {
          __spins = 0, __list = {__next = 0x0}}}, __size = '\0' <repeats 12 times>, "\001\000\000\000\000\000\000\000\000\000\000", __align = 0}}}
        this = (struct store_hint *) 0x83716e0
        hint = (struct ast_hint *) 0x834c458
        exten = (struct ast_exten *) 0x834c4e8
        length = 43
        thiscb = (struct ast_state_cb *) 0x1
        iter = (struct ast_hashtab_iter *) 0x82ede80
        begintime = {tv_sec = 1218876868, tv_usec = 173683}
        writelocktime = {tv_sec = 1218876868, tv_usec = 186919}
        endlocktime = {tv_sec = 0, tv_usec = -1226163552}
        enddeltime = {tv_sec = -14, tv_usec = 135917660}
        wrlock_ver = 5
        __PRETTY_FUNCTION__ = "ast_merge_contexts_and_delete"
#3  0xb701cd0a in pbx_load_module () at pbx_ael.c:136
        errs = 0
        sem_err = 0
        sem_warn = 5
        sem_note = 0
        rfilename = 0xb6ea3c60 "/etc/asterisk/extensions.ael"
        local_contexts = (struct ast_context *) 0x836cd18
        con = (struct ast_context *) 0x819dc1c
        local_table = (struct ast_hashtab *) 0x834da70
        parse_tree = (struct pval *) 0x82e89c8
        __PRETTY_FUNCTION__ = "pbx_load_module"
#4  0xb701d194 in handle_cli_ael_reload (e=0xb701ec20, cmd=-4, a=0xb6ea3d44) at pbx_ael.c:238
No locals.
#5  0x080a60aa in ast_cli_command (fd=6, s=0xb6ea3e8c "ael reload ") at cli.c:1887
        args = {0xb701ec20 "H�%\bL�%\b", 0x82dc890 "ael", 0x82dc894 "reload", 0x0, 0x82dd72d "re", 0x0 <repeats 51 times>, 0x7c <Address 0x7c out of bounds>, 0xb702c592 "R", 0xb702c588 "\024",
  0xb71438f2 "\201�\002W\003", 0xb7140d8f "\017�W\n\215}�\200�Ru\035�C\215v", 0xb702c597 "\001\033\f\004\004\210\001", 0xb8 <Address 0xb8 out of bounds>, 0xb000000 <Address 0xb000000 out of bounds>, 0x0}
        e = (struct ast_cli_entry *) 0xb701ec20
        x = 2
        duplicate = 0x82dc890 "ael"
        retval = 0x0
        a = {fd = 6, argc = 2, argv = 0xb6ea3d68, line = 0x0, word = 0x0, pos = 0, n = 0}
        __PRETTY_FUNCTION__ = "ast_cli_command"
#6  0x080a62f3 in ast_cli_command_multiple (fd=6, size=12, s=0xb6ea40dc "ael reload ") at cli.c:1920
        cmd = "ael reload \000CHESARRAY \"ael re\" \"re\"\000\"su\"\000\000ints\"\0008?�=s�5y\000\000\000\000\000\000\000\000\000\000\001\000\000\000�\000\000\000\210h�\004?�1019P��\020�w�E\205\000\016\000\000\0008m׷�k׷G?�\n", '\0' <repeats 11 times>, "\005\000\000\000�\000\000\000�\002\002��w��\033\005\b\230\201׷X�\004\b\001\000\000\000�\217�P��\0200\230�$@�?u�\024@�X�\004\b\b@��\227�\000\000\000\000�"...
        x = 11
        y = 12
        count = 0
#7  0x080729e4 in netconsole (vconsole=0x820c2c0) at asterisk.c:1032
        con = (struct console *) 0x820c2c0
        hostname = "ipbx.i.cz", '\0' <repeats 54 times>
---Type <return> to continue, or q <return> to quit---
        tmp = "ael reload \000\000HESARRAY \"ael re\" \"re\"\000\000ragent \"Nokia RM-10 3.0633.09.04\" for peer 322\nr bill-gw\n15766\033[0;37;40m \033[1;37;40mhandle_response_peerpoke\033[0;37;40m: Peer '324' is now Reachable. (104ms / 4000ms"...
        res = 12
        fds = {{fd = 6, events = 1, revents = 1}, {fd = 7, events = 1, revents = 0}}
        __PRETTY_FUNCTION__ = "netconsole"
#8  0x08167b96 in dummy_start (data=0x8227cc0) at utils.c:1024
        __cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {-1210535948, 0, 4001536, -1226161240, -282944453, 391238982}, __mask_was_saved = 0}}, __pad = {0xb6ea4470, 0x0, 0x0, 0x0}}
        __cancel_routine = (void (*)(void *)) 0x806fc58 <ast_unregister_thread>
        __cancel_arg = (void *) 0xb6ea4b90
        not_first_call = 0
        ret = (void *) 0x0
        a = {start_routine = 0x80727ad <netconsole>, data = 0x820c2c0, name = 0x822aef8 "netconsole", ' ' <repeats 11 times>, "started at [ 1093] asterisk.c listener()"}
        lock_info = (struct thr_lock_info *) 0x8231650
        mutex_attr = {__size = "\001\000\000", __align = 1}
#9  0xb7d7c315 in start_thread () from /lib/i686/libpthread.so.0
No symbol table info available.
#10 0xb7107dde in clone () from /lib/i686/libc.so.6
No symbol table info available.