(gdb) bt 

#0  0x08062731 in ast_channel_spy_remove (chan=0x8214c58, spy=0xb76f88b0)
    at channel.c:1044
#1  0xb78f58a6 in stop_spying (chan=0x8214c58, spy=0xb76f88b0)
    at app_chanspy.c:220
#2  0xb78f5e06 in channel_spy (chan=0x81e04e0, spyee=0x8214c58,
    volfactor=0xb76f8be0, fd=0) at app_chanspy.c:340
#3  0xb78f6b0f in chanspy_exec (chan=0x81e04e0, data=0xb76fd070)
    at app_chanspy.c:516
#4  0x08089cd8 in pbx_exec (c=0x81e04e0, app=0x81c5930, data=0xb76fd070,
    newstack=1) at pbx.c:544
#5  0x0808d99b in pbx_extension_helper (c=0x81e04e0, con=0x0,
    context=0x81e0630 "default", exten=0x81e0724 "178", priority=1, label=0x0,
    callerid=0x81497a0 "121", action=1) at pbx.c:1687
#6  0x0808ee28 in ast_spawn_extension (c=0x81e04e0,
    context=0x81e0630 "default", exten=0x81e0724 "178", priority=1,
    callerid=0x81497a0 "121") at pbx.c:2220
#7  0x0808f378 in __ast_pbx_run (c=0x81e04e0) at pbx.c:2286
#8  0x08090279 in pbx_thread (data=0x81e04e0) at pbx.c:2507
#9  0x009ef341 in start_thread () from /lib/tls/libpthread.so.0
#10 0x006abfee in clone () from /lib/tls/libc.so.6



(gdb) bt full
#0  0x08062731 in ast_channel_spy_remove (chan=0x8214c58, spy=0xb76f88b0)
    at channel.c:1044
        curelm = (struct ast_channel_spy *) 0x0
        f = (struct ast_frame *) 0xb78f8d04
        __PRETTY_FUNCTION__ = "ast_channel_spy_remove"
#1  0xb78f58a6 in stop_spying (chan=0x8214c58, spy=0xb76f88b0)
    at app_chanspy.c:220
No locals.
#2  0xb78f5e06 in channel_spy (chan=0x81e04e0, spyee=0x8214c58,
    volfactor=0xb76f8be0, fd=0) at app_chanspy.c:340
        csth = {spy = {list = {next = 0xb76f88b0}, lock = {__m_reserved = 0,
      __m_count = 0, __m_owner = 0x0, __m_kind = 1, __m_lock = {__status = 0,
        __spinlock = 0}}, trigger = {__c_lock = {__status = 0,
        __spinlock = 0}, __c_waiting = 0x0,
      __padding = '\0' <repeats 27 times>, __align = 0}, read_queue = {
      head = 0x0, samples = 0, format = 64}, write_queue = {head = 0x0,
      samples = 0, format = 64}, flags = 57, status = CHANSPY_RUNNING,
    type = 0xb78f6fbe "ChanSpy", read_vol_adjustment = 0,
    write_vol_adjustment = 0}, fd = 0, volfactor = 0}
        running = 0
        res = 42
        x = 0
        inp = '\0' <repeats 23 times>
---Type <return> to continue, or q <return> to quit---
        name = 0xb76f8830 "SIP/sipbroker-out-cf83"
        f = (struct ast_frame *) 0x8175e60
#3  0xb78f6b0f in chanspy_exec (chan=0x81e04e0, data=0xb76fd070)
    at app_chanspy.c:516
        x = 7
        group = 0x0
        igrp = 1
        u = (struct localuser *) 0x8149540
        peer = (struct ast_channel *) 0x8214c58
        prev = (struct ast_channel *) 0x8214c58
        name = '\0' <repeats 224 times>, "\200òo·|òo·Ð\215o·rÂ\n\b¥\217\024\buÐo·K\000\000\000Ý\215\t\b"
        peer_name = "spy-sip\000sipbroker-out-cf83", '\0' <repeats 234 times>
        args = 0xb76f8960 "Sip"
        ptr = 0xb76f8c28 "sipbroker-out-cf83"
        options = 0xb76f8964 "q"
        spec = 0xb76f8960 "Sip"
        argv = {0xb76f8960 "Sip", 0xb76f8964 "q", 0x0, 0x0, 0x0}
        mygroup = 0x0
        recbase = 0x0
        res = 0
        volfactor = 0
        silent = 1
---Type <return> to continue, or q <return> to quit---
        argc = 2
        bronly = 0
        chosen = 0
        count = 1
        waitms = 100
        num = 0
        oldrf = 4
        oldwf = 4
        fd = 0
        flags = {flags = 1}
        zero_volume = 0 '\0'
        __PRETTY_FUNCTION__ = "chanspy_exec"
#4  0x08089cd8 in pbx_exec (c=0x81e04e0, app=0x81c5930, data=0xb76fd070,
    newstack=1) at pbx.c:544
        res = 136075568
        saved_c_appl = 0x0
        saved_c_data = 0x0
        execute = (int (*)(struct ast_channel *,
    void *)) 0xb78f5eb9 <chanspy_exec>
        __PRETTY_FUNCTION__ = "pbx_exec"
#5  0x0808d99b in pbx_extension_helper (c=0x81e04e0, con=0x0,
    context=0x81e0630 "default", exten=0x81e0724 "178", priority=1, label=0x0,
    callerid=0x81497a0 "121", action=1) at pbx.c:1687
---Type <return> to continue, or q <return> to quit---
        e = (struct ast_exten *) 0x81a9930
        app = (struct ast_app *) 0x81c5930
        sw = (struct ast_switch *) 0x0
        data = 0x0
        foundcontext = 0x81aa385 "local-extensions"
        newstack = 1
        res = 0
        status = 5
        incstack = {0x81aa2e0 "default", 0x0 <repeats 11 times>,
  0x643ce4 "\201Ã\020s\f", 0x0, 0x0, 0x70aff4 "<­p",
  0xb76ff100 "\001\200­û`òo·`òo·`òo·`òo·tòo·¯òo·`òo·¯òo·",
  0xb76ff0dc "ìño·6õc",
  0x644ff1 "\211~\020\213U\024\211~\f\211~\004\205Òt6\213U\024\213}ð\211V\024\211V\b1Ò\211~\030\211\226\230",
  0xb76ff100 "\001\200­û`òo·`òo·`òo·`òo·tòo·¯òo·`òo·¯òo·",
  0xb76ff260 "\"Musicroom PÈôo·\005", 0xb76ff2af "\b\001", 0x0,
  0xb76ff2af "\b\001", 0x70aff4 "<­p", 0x81063e3 "\"%s\" <%s>",
  0xb76ff21c "`}\023\b \227\024\b", 0xb76ff1ec "\bòo·\222tb",
  0x63f536 "\213\215\fÿÿÿ\211Â9\2150ÿÿÿt\t\213µ(ÿÿÿÆ\006",
  0xb76ff100 "\001\200­û`òo·`òo·`òo·`òo·tòo·¯òo·`òo·¯òo·",
  0x81063e3 "\"%s\" <%s>", 0xb76ff224 "", 0xb76ff260 "\"Musicroom PÈôo·\005",
  0x0, 0xb76ff1a0 "", 0xb76ff100 "\001\200­û`òo·`òo·`òo·`òo·tòo·¯òo·`òo·¯òo·",
  0xfbad8001 <Address 0xfbad8001 out of bounds>,
---Type <return> to continue, or q <return> to quit---
  0xb76ff260 "\"Musicroom PÈôo·\005", 0xb76ff260 "\"Musicroom PÈôo·\005",
  0xb76ff260 "\"Musicroom PÈôo·\005", 0xb76ff260 "\"Musicroom PÈôo·\005",
  0xb76ff274 "", 0xb76ff2af "\b\001", 0xb76ff260 "\"Musicroom PÈôo·\005",
  0xb76ff2af "\b\001", 0x0 <repeats 14 times>,
  0xffffffff <Address 0xffffffff out of bounds>, 0x0 <repeats 13 times>,
  0x70aa20 "", 0x0 <repeats 13 times>, 0x646ea4 "\201ÃPA\f", 0x0, 0x0, 0x0,
  0x0, 0x70aff4 "<­p", 0x0, 0xb76ffbb0 "°ûo·\224\207\024\b°ûo·\001",
  0xb76ff208 "Èôo·DÈ\n\b<\220\024\b\220\b\036\b\024",
  0x627492 "\203Ä\020[]Ã\220\220\220\220\220\220\220\220U\211å\215M\020S\203ì\f\213U\f\211L$\b\213E\bè¸'ýÿ\201Ã;;\016", 0xb76ff260 "\"Musicroom PÈôo·\005",
  0x50 <Address 0x50 out of bounds>, 0x81063e3 "\"%s\" <%s>",
  0xb76ff21c "`}\023\b \227\024\b", 0x81e04e0 "SIP/121-f783", 0xb76ff4c8 "",
  0x80ac844 "\213\204$À", 0x814903c "", 0x81e0890 "",
  0x14 <Address 0x14 out of bounds>, 0x8137d60 "Musicroom PC",
  0x81497a0 "121", 0x0, 0x0, 0x0, 0x0, 0x3 <Address 0x3 out of bounds>,
  0x8148d70 "\"Musicroom PC\" <121>", 0x1 <Address 0x1 out of bounds>,
  0x8148d70 "\"Musicroom PC\" <121>", 0x81497a0 "121", 0x81497a0 "121",
  0x1 <Address 0x1 out of bounds>, 0x1 <Address 0x1 out of bounds>,
  0x810625a "<unknown>", 0x8148eb0 "SIP/121-f783",
  0x1 <Address 0x1 out of bounds>,
  0x73754d22 <Address 0x73754d22 out of bounds>,
  0x6f726369 <Address 0x6f726369 out of bounds>,
  0x50206d6f <Address 0x50206d6f out of bounds>, 0xb76ff4c8 ""}
---Type <return> to continue, or q <return> to quit---
        passdata = "Sip|q", '\0' <repeats 8186 times>
        stacklen = 1
        tmp = '\0' <repeats 79 times>
        tmp2 = '\0' <repeats 79 times>
        tmp3 = '\0' <repeats 8191 times>
        atmp = '\0' <repeats 79 times>
        atmp2 = '\0' <repeats 8291 times>
        __PRETTY_FUNCTION__ = "pbx_extension_helper"
#6  0x0808ee28 in ast_spawn_extension (c=0x81e04e0,
    context=0x81e0630 "default", exten=0x81e0724 "178", priority=1,
    callerid=0x81497a0 "121") at pbx.c:2220
No locals.
#7  0x0808f378 in __ast_pbx_run (c=0x81e04e0) at pbx.c:2286
        firstpass = 0
        digit = 0
        exten = '\0' <repeats 255 times>
        pos = 0
        waittime = 6579524
        res = 0
        autoloopflag = 0
        __PRETTY_FUNCTION__ = "__ast_pbx_run"
#8  0x08090279 in pbx_thread (data=0x81e04e0) at pbx.c:2507
        c = (struct ast_channel *) 0x81e04e0
---Type <return> to continue, or q <return> to quit---
#9  0x009ef341 in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#10 0x006abfee in clone () from /lib/tls/libc.so.6
No symbol table info available.