(gdb) bt full
#0  0xb7eb584f in main_arena () from /lib/tls/libc.so.6
No symbol table info available.
#1  0x081d6a30 in ?? ()
No symbol table info available.
#2  0x0812a883 in __PRETTY_FUNCTION__.4 ()
No symbol table info available.
#3  0x000005dc in ?? ()
No symbol table info available.
#4  0x0812cdf4 in __PRETTY_FUNCTION__.27 ()
No symbol table info available.
#5  0x0812a9d0 in __PRETTY_FUNCTION__.4 ()
No symbol table info available.
#6  0x081dc33d in ?? ()
No symbol table info available.
#7  0x081d7730 in ?? ()
No symbol table info available.
#8  0xb7400278 in ?? ()
No symbol table info available.
#9  0xb7dec0ea in free () from /lib/tls/libc.so.6
No symbol table info available.
#10 0x080cf6b5 in __ast_pbx_run (c=0x81d88a8) at pbx.c:2561
        status = 0x8086f1c "\211Çé3ýÿÿÇ\004$\003"
        waittime = 134770460
        found = 1
        res = 0
        error = 1
        __PRETTY_FUNCTION__ = "__ast_pbx_run"
#11 0x080d12ae in pbx_thread (data=0x8086f1c) at pbx.c:2621
No locals.
#12 0x081013a5 in dummy_start (data=0x72000092) at utils.c:912
        _buffer = {__routine = 0x8068900 <ast_unregister_thread>, __arg =
#0xb7400bb0, __canceltype = 0, __prev = 0x0}
        ret = (void *) 0x81d76e8
        a = {start_routine = 0x80d12a0 <pbx_thread>, data = 0x81d6a30, name
        = 0x81d76e8 "pbx_thread", ' ' <repeats 11 times>, "started at [
        2645] pbx.c ast_pbx_start()"}
#13 0xb7ef820e in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#14 0xb7e520de in clone () from /lib/tls/libc.so.6
No symbol table info available.