#0  0x0808e4fc in __ast_read (chan=0x852fde0, dropaudio=0) at channel.c:2248
2248                    } else if (chan->tech->read)
(gdb) bt full
#0  0x0808e4fc in __ast_read (chan=0x852fde0, dropaudio=0) at channel.c:2248
        f = (struct ast_frame *) 0x0
        blah = 0
        prestate = 0
        count = 1
        __PRETTY_FUNCTION__ = "__ast_read"
#1  0x0808f929 in ast_read (chan=0x852fde0) at channel.c:2525
No locals.
#2  0x0807c0ee in autoservice_run (ign=0x0) at autoservice.c:97
        f = (struct ast_frame *) 0x0
        chan = (struct ast_channel *) 0x852fde0
        as = (struct asent *) 0x0
        ms = 500
        mons = {0x852fde0, 0x8529920, 0x85afd28, 0x85afd28, 0x83634c8, 0x83641d8, 0x83641d8, 0x0 <repeats 1243 times>, 0xb715db9c, 0xb690b0ac, 0xb690af74, 0x80,
  0x8071086, 0x14000000, 0xb715d908, 0x400000, 0x0 <repeats 32 times>, 0x8071086, 0x14000000, 0xb715d908, 0x400000, 0x0 <repeats 32 times>, 0xb725dff4, 0xb690b138,
  0x17, 0xb690b1d4, 0xb715d79f, 0x17, 0xb690b138, 0xb690b0a8, 0x8071086, 0x400000, 0x0 <repeats 20 times>, 0xb7197b61, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb7252c71,
  0xb7252c71, 0x0, 0x0, 0x0, 0x14000000, 0xb715d908, 0x0, 0x8071086, 0x400000, 0x0, 0xb725f858, 0x0, 0xb725f844, 0xb725f848, 0xb725f820, 0x0, 0x0, 0x0, 0x0,
  0xb725dff4, 0x1, 0x0, 0xb690b23c, 0xb7198c20, 0x0 <repeats 11 times>, 0xb725f858, 0xb725f820, 0x840, 0xb725f820, 0x0, 0x10000000, 0x0, 0x0, 0xb725f858,
  0xb694e660, 0xb690bbe8, 0xb690b1e4, 0x807109f, 0x17, 0x8071086, 0xb694e688, 0xb715d908, 0x17, 0x33, 0x0, 0xb725f820, 0x7b, 0x0, 0xb694e660, 0x2000000, 0x4,
  0x7d0f00, 0xb690bbe8, 0x58, 0x835, 0x0, 0x0, 0xb71ff198, 0x73, 0xb725dff4, 0x1, 0xb725f820, 0xb690b268, 0xb719a796, 0xb725f820, 0xb71989a4, 0xffff0020, 0x5750,
  0x828, 0x824e8b0, 0x824c8a0, 0x0, 0x0, 0xb690b298, 0x812d996, 0x1, 0x828, 0xb725f858, 0xb725f820, 0x68, 0xb725f820, 0x0, 0xb7eac935, 0x824c8a0, 0x0, 0xb725f858,
  0x812dc38, 0x0, 0x812f1db, 0x818ab74, 0xb7eac935, 0x824c8a0, 0x0, 0xb690b2e8, 0x812dc38, 0x0, 0x812f1db, 0xb725f820, 0x812f3e6, 0x0, 0xb7eaaef7, 0x1000, 0x4,
  0x0, 0x0, 0xb, 0x5d, 0x824f0c4, 0x828, 0x163, 0x8161464, 0xb725dff4, 0xb725f820, 0xffffffe8, 0xb690b328...}
        x = 2
        __PRETTY_FUNCTION__ = "autoservice_run"
#3  0x0812faef in dummy_start (data=0x824c8a0) at utils.c:857
        _buffer = {__routine = 0x806dcea <ast_unregister_thread>, __arg = 0xb690bba0, __canceltype = 0, __prev = 0x0}
        ret = (void *) 0x0
        a = {start_routine = 0x807bf9c <autoservice_run>, data = 0x0,
  name = 0x824c8b0 "autoservice_run      started at [  186] autoservice.c ast_autoservice_start()"}
        lock_info = (struct thr_lock_info *) 0x824e8b8
        mutex_attr = {__mutexkind = 1}
#4  0xb7ea93cc in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#5  0xb71ff1ae in clone () from /lib/tls/libc.so.6
No symbol table info available.