(gdb) bt
#0  0x00574f06 in __ast_pthread_mutex_trylock (
    filename=0x577ef4 "chan_local.c", lineno=575,
    func=0x578479 "local_hangup", mutex_name=0x5784ac "&p->chan->lock",
    t=0xdeadbf67) at /dar/build/asterisk-1.4.26/include/asterisk/lock.h:442
#1  0x00576ef4 in local_hangup (ast=0xb240d680) at chan_local.c:575
#2  0x0808a0bc in ast_hangup ()
#3  0x0034d8ed in hangupcalls (outgoing=0xb24190f8, exception=0x0)
    at app_queue.c:1735
#4  0x00353b01 in try_calling (qe=0xb4fe2be0, options=0xb4fe2b8a "",
    announceoverride=0xb4fe2b8c "", url=0xb4fe2b8b "", tries=0xb4fe2d80,
    noption=0xb4fe2d7c, agi=0xb4fe2b90 "") at app_queue.c:3296
#5  0x00356b62 in queue_exec (chan=0xb230ee68, data=0xb4fe4f08)
    at app_queue.c:4086
#6  0x080d563d in pbx_exec ()
#7  0x080d93c3 in pbx_extension_helper ()
#8  0x080da722 in ast_spawn_extension ()
#9  0x080dab82 in __ast_pbx_run ()
#10 0x080dbb93 in pbx_thread ()
#11 0x08120bd3 in dummy_start ()
#12 0x008b249b in start_thread () from /lib/libpthread.so.0
#13 0x0080942e in clone () from /lib/libc.so.6
(gdb) bt full
#0  0x00574f06 in __ast_pthread_mutex_trylock (
    filename=0x577ef4 "chan_local.c", lineno=575,
    func=0x578479 "local_hangup", mutex_name=0x5784ac "&p->chan->lock",
    t=0xdeadbf67) at /dar/build/asterisk-1.4.26/include/asterisk/lock.h:442
        res = 22
        canlog = 1
        __PRETTY_FUNCTION__ = "__ast_pthread_mutex_trylock"
#1  0x00576ef4 in local_hangup (ast=0xb240d680) at chan_local.c:575
        p = (struct local_pvt *) 0xb2414148
        isoutbound = 0
        f = {frametype = AST_FRAME_CONTROL, subclass = 1, datalen = 0,
  samples = 0, mallocd = 0, mallocd_hdr_len = 0, offset = 0, src = 0x0,
  data = 0x0, delivery = {tv_sec = 0, tv_usec = 0}, frame_list = {next = 0x0},
  flags = 0, ts = 0, len = 0, seqno = 0}
        ochan = (struct ast_channel *) 0x0
        glaredetect = 0
        res = 0
        __PRETTY_FUNCTION__ = "local_hangup"
#2  0x0808a0bc in ast_hangup ()
No symbol table info available.
#3  0x0034d8ed in hangupcalls (outgoing=0xb24190f8, exception=0x0)
    at app_queue.c:1735
        oo = (struct callattempt *) 0xb2419288

        __PRETTY_FUNCTION__ = "hangupcalls"
#4  0x00353b01 in try_calling (qe=0xb4fe2be0, options=0xb4fe2b8a "",
    announceoverride=0xb4fe2b8c "", url=0xb4fe2b8b "", tries=0xb4fe2d80,
    noption=0xb4fe2d7c, agi=0xb4fe2b90 "") at app_queue.c:3296
        cur = (struct member *) 0x0
        outgoing = (struct callattempt *) 0xb2412250
        to = 0
        oldexten = '\0' <repeats 79 times>
        oldcontext = '\0' <repeats 79 times>
        queuename = "default-customer-new-english", '\0' <repeats 232 times>
        peer = (struct ast_channel *) 0x0
        which = (struct ast_channel *) 0xb4fe2ae8
        lpeer = (struct callattempt *) 0x0
        member = (struct member *) 0x0
        app = (struct ast_app *) 0x35b0f5
        res = 0
        bridge = 0
        numbusies = 0
        x = 11
        announce = 0x0
        digit = 0 '\0'
        callstart = 134786433
        now = 1246249241

        bridge_config = {features_caller = {flags = 4}, features_callee = {
    flags = 2}, start_time = {tv_sec = 0, tv_usec = 0}, nexteventts = {
    tv_sec = 0, tv_usec = 0}, partialfeature_timer = {tv_sec = 0,
    tv_usec = 0}, feature_timer = 0, timelimit = 0, play_warning = 0,
  warning_freq = 0, warning_sound = 0x0, end_sound = 0x0, start_sound = 0x0,
  fcustomertpass = 0, flags = 0, end_bridge_callback = 0,
  end_bridge_callback_data = 0x0, end_bridge_callback_data_fixup = 0}
        nondataquality = 1 '\001'
        agiexec = 0x0
        ret = 0
        monitorfilename = 0xb4fe2adc "H¿A²\001"
        monitor_exec = 0xb755f07c "\002"
        monitor_options = 0xb4fe2ae8 ""
        tmpid = "²Ø'þ´ý¶\b\btÿ\024\bÑ\a\000\000Â\031\025\bw\016\025\bàî0²8ìU· \000\000\000\000\000\000\000\t\000\000\000\000\v\025\btÿ\024\bÈÐ@²ð2Ó\000\000\000\000\000\001\000\000\000\\\0246\000\213+þ´\000'1²8*þ´çÐ\b\btÿ\024\bÃ\t\000\000D\032\025\bw\016\025\bàî0²Ô¬y\000\001\000\000\000\000ðò·P\000\000\000ñB\213\000|ðU·\225s\213\000©\005\000\000uÿ\024\bH(þ´tó\021\b¬T\213\000×ÿ\021\bX(þ´\001\000\000\000©\005\000\000\220{þ´uÿ\024\b\001\v\025\bH(þ´ÀX\213\000x(þ´Ù\005\022"...
        tmpid2 = "\000 \000\000\000Ð\230B²¤&þ´¨Èy\000Ð\230B²\000\000\000\000HB\000\000\002\000\000\000N\vy\000\001\000\000\000\002\000\000\000ñB\213\000Ø&þ´\225s\213\000\\\0246\000\213+þ´ø&þ´tó\021\b\002\000\000\0005E\f\b\b'þ´tó\021\b¬T\213\000ð8¢\tuÿ\024\b\001\000\000\000¬T\213\000ð8¢\t('þ´Nô\021\b\204â\027\b\204\000\
000\000('þ´\225s\213\000©\005\000\000ð8¢\tH'þ´tó\021\b¬T\213\000ð8¢\t\230*þ´7d\f\b\204â\027\b\200\000\000\000uÿ\024\b\001\v\025\bH'þ´ÀX\213\000x'þ´Ù\005\022"...
        meid = "\000è\"þ´dö\n\bHÃ\027\bµ\000\000\000<Õ\024\bNÕ\024\b`\204\027\b\024\001\000\000«XÏè,\001\000\000,\001\000\000\200\203B²\000\000\000\000$\204B²\t\000\000\000f\200\025\b\\\177\025\bí1\a\b\232\225z\000\000\000\000\000\001\000\000\000t\231Ó\000<Z ·$#þ´H&þ´À\r\v\b\\\177\025\b\030\002\000\000Å\204\025\bº\177\025\bHÃ\027\bD#þ´H&þ´\225s\213\000t\231Ó\000\213+þ´\230#þ´Äó\000\000àù0²5E\f\b\000\000\000\200\235WÚA\000\000\000ÀÀ\023ÿA\000\000\000\000\000\000\020@wav\000ð8¢\tp\r»LK-È"...
        meid2 = "\000¬\036þ´ÿÿÿÿ\037?w\000\r\204\025\b<\000\000\000\000ðò·¼$þ´\000\000\000\000À\204\207\000ÿÿÿÿ\225©y\000\r\204\025\b:\000\000\000f\000\000\000Ü$þ´\000\000\000\000\000ðò·ÿÿÿÿf\000\000\000\r\204\025\b:\000\000\000ÿÿÿÿü$þ´\000\000\000\000\001\000\000\000ÿÿÿÿ\000\000\000\000\r\204\025\b<\000\000\000\002\000\000\000\034%þ´\000\000\000\000\000\000\000\000ÿÿÿÿ\000\000\000\000\r\204\025\b", '\0' <repeats 20 times>, " ", '\0' <repeats 15 times>, " \000\000s \000\000\000\000\000\000\000\235»\025\b\235»\025s$\000\000\000\000\000\000\000\210\037þ´Ù\005"...
        mixmonargs = "\000t\000\000\000À\204\207\000´\030þ´\177¬y\000ÿÿÿÿØ\030þ´nµy\000À\204\207\000\000ðò·t\000\000\000ô\177\207\000ô\177\207\000\000\000\000\000Y\000\000\000\024\031þ´l«y\000À\204\207\000ñB\213\000Y\000\000\000\225s\213\000©\005\000\000\235»\025\b(\031þ´tó\021\b¬T\213\000×ÿ\021\bô\177\207\000\001\000\000\000©\005\000\000\220{þ´\235»\025\b\235»\025\bì\221\213\000\000\000\000\000\0
00\000\000\000ô\017\214\000ËX\213\000(\b\000\000\235»\025\b\001\000\000\000H\031þ´\220{þ´\235»\025\b\235»\025\bX\031þ´ÀX\213\000¸\031þ´\032T\f\b¨â\027\b\033[1"...
        mixmonapp = (struct ast_app *) 0x0
        p = 0x35dec3 "are"
        vars = "\tq\022z\000\037\000\000\000~íx\000\001\000\000\000\000\000\000\0000g²\tô\177\207\000\f\027þ´\004*\024\bè\026þ´ß<w\000\f\027þ´ì\233Â\000\037", '\0' <repeats 11 times>, "\030\000\000\000\000ý\000\000\000\000\000\000\000\000\000\000\231az\000¤\201\000\000\001", '\0' <repeats 15 times>, "SÕy\000\000\000\000\000\225\r\000\000\000\000\000\000\000\000\000\000ÕÉ\026\b\000\000\000\000\177\031þ´ô\177\207\000ÔÉ\026\b\001\000\000\000X\027þ´1Bw\000|\027þ´ÔÉ\026\b\001\000\000\000\000\000\000\000h\021þ´«3z\000@\221\207\000\017\000\000\000ô\177\207\0000\027þ´\231Ý\205\000\210\021þ´Ä"...
        forwardsallowed = 1
        callcompletedinsl = 1
        memi = {c = 0xb7af6b10, flags = 0, bucket = 37, c_version = 12,
  obj = 0x0, version = 0}
        datastore = (struct ast_datastore *) 0xb241bf48
        transfer_ds = (struct ast_datastore *) 0x1
        __PRETTY_FUNCTION__ = "try_calling"
#5  0x00356b62 in queue_exec (chan=0xb230ee68, data=0xb4fe4f08)
    at app_queue.c:4086
        stat = 3081177380

        makeannouncement = 1
        res = 0
        ringing = 0
        lu = (struct ast_module_user *) 0x9b3f468
        user_priority = 0x9a3e77b "0"
        max_penalty_str = 0x0
        prio = 0
        max_penalty = 0
        reason = QUEUE_UNKNOWN
        tries = 0
        noption = 0
        parse = 0xb4fe2b70 "default-customer-new-english"
        args = {argc = 6, argv = 0xb4fe2d64,
  queuename = 0xb4fe2b70 "default-customer-new-english", options = 0xb4fe2b88 "tH",
  url = 0xb4fe2b8b "", announceoverride = 0xb4fe2b8c "",
  queuetimeoutstr = 0xb4fe2b8d "60", agi = 0xb4fe2b90 ""}
        qe = {parent = 0xb7af6148, moh = "default", '\0' <repeats 72 times>,
  announce = '\0' <repeats 79 times>,
  context = "default-aa-customerenglishqueuepatience1vmail", '\0' <repeats 39 times>, digits = '\0' <repeats 79 times>, valid_digits = 0, pos = 5, prio = 0,
  last_pos_said = 0, last_periodic_announce_time = 1246249228,
  last_periodic_announce_sound = 0, last_pos = 0, opos = 44, handled = 0,
  pending = 0, max_penalty = 0, start = 1246249228, expire = 1246249288,

  chan = 0xb230ee68, next = 0xb4e3ebe0}
        __PRETTY_FUNCTION__ = "queue_exec"
#6  0x080d563d in pbx_exec ()
No symbol table info available.
#7  0x080d93c3 in pbx_extension_helper ()
No symbol table info available.
#8  0x080da722 in ast_spawn_extension ()
No symbol table info available.
#9  0x080dab82 in __ast_pbx_run ()
No symbol table info available.
#10 0x080dbb93 in pbx_thread ()
No symbol table info available.
#11 0x08120bd3 in dummy_start ()
No symbol table info available.
#12 0x008b249b in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#13 0x0080942e in clone () from /lib/libc.so.6
No symbol table info available.
(gdb) thread apply all bt

Thread 1 (process 1449):
#0  0x00574f06 in __ast_pthread_mutex_trylock (
    filename=0x577ef4 "chan_local.c", lineno=575,
    func=0x578479 "local_hangup", mutex_name=0x5784ac "&p->chan->lock",
    t=0xdeadbf67) at /dar/build/asterisk-1.4.26/include/asterisk/lock.h:442
#1  0x00576ef4 in local_hangup (ast=0xb240d680) at chan_local.c:575
#2  0x0808a0bc in ast_hangup ()
#3  0x0034d8ed in hangupcalls (outgoing=0xb24190f8, exception=0x0)
    at app_queue.c:1735
#4  0x00353b01 in try_calling (qe=0xb4fe2be0, options=0xb4fe2b8a "",
    announceoverride=0xb4fe2b8c "", url=0xb4fe2b8b "", tries=0xb4fe2d80,
    noption=0xb4fe2d7c, agi=0xb4fe2b90 "") at app_queue.c:3296
#5  0x00356b62 in queue_exec (chan=0xb230ee68, data=0xb4fe4f08)
    at app_queue.c:4086
#6  0x080d563d in pbx_exec ()
#7  0x080d93c3 in pbx_extension_helper ()
#8  0x080da722 in ast_spawn_extension ()
#9  0x080dab82 in __ast_pbx_run ()
#10 0x080dbb93 in pbx_thread ()
#11 0x08120bd3 in dummy_start ()
#12 0x008b249b in start_thread () from /lib/libpthread.so.0
#13 0x0080942e in clone () from /lib/libc.so.6