(gdb) bt full
#0  0x081268fd in __ast_pthread_mutex_lock (filename=0x3c53e8 "res_jabber.c", lineno=2244, func=0x3c82c9 "aji_dinfo_handler", 
    mutex_name=0x3c58e9 "&(buddy)->_lock", t=0xc0c) at lock.c:163
        res = 4529220
        lt = 0xb69fccf8
        canlog = 0
        bt = 0x0
        __PRETTY_FUNCTION__ = "__ast_pthread_mutex_lock"
#1  0x003b8ae1 in aji_dinfo_handler (data=0xb6a18fe8, pak=0x85dd030) at res_jabber.c:2244
        newcount = 0
        client = 0xb6a18fe8
        __PRETTY_FUNCTION__ = "aji_dinfo_handler"
        node = 0x0
        resource = 0x0
        buddy = 0x0
#2  0x00456a8a in iks_filter_packet () from /usr/lib/libiksemel.so.3
No symbol table info available.
#3  0x003b5bc0 in aji_act_hook (data=0xb6a18fe8, type=1, node=0x864265c) at res_jabber.c:1818
        client = 0xb6a18fe8
        __PRETTY_FUNCTION__ = "aji_act_hook"
        pak = 0x85dd030
        auth = 0x0
        features = 0
#4  0x00454b20 in ?? () from /usr/lib/libiksemel.so.3
No symbol table info available.
#5  0x00452dd3 in iks_parse () from /usr/lib/libiksemel.so.3
No symbol table info available.
#6  0x003b3939 in aji_recv (client=0xb6a18fe8, timeout=1) at res_jabber.c:1425
        len = 168
        ret = 0
        buf = "<iq type='get' to='asterisk.xxx,org' from='xxx@xxx.org/xxx' id='purple316a5071'><query xmlns='http://jabber.org/protocol/disco#info'/></iq>", '\000' <repeats 3926 times>
        newbuf = "<iq type='get' to='asterisk.xxx.org' from='xxx@xxx.org/xxx' id='purple316a5071'><query xmlns='http://jabber.org/protocol/disco#info'/></iq>", '\000' <repeats 3926 times>
        pos = 0
        newbufpos = 0
        c = 62 '>'
        __PRETTY_FUNCTION__ = "aji_recv"
#7  0x003bb3b8 in aji_recv_loop (data=0xb6a18fe8) at res_jabber.c:2803
        client = 0xb6a18fe8
        __PRETTY_FUNCTION__ = "aji_recv_loop"
        res = 12
#8  0x081addfd in dummy_start (data=0xb6a17cb0) at utils.c:1010
        __cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {5496820, 0, 4001536, -1231031400, -409129985, -306006910}, __mask_was_saved = 0}}, 
          __pad = {0xb69ff454, 0x0, 0x0, 0x0}}
        __cancel_routine = 0x807cbe5 <ast_unregister_thread>
        __cancel_arg = 0xb69ffb70
        not_first_call = 0
        ret = 0x0
        a = {start_routine = 0x3bb1bb <aji_recv_loop>, data = 0xb6a18fe8, 
          name = 0xb6a18280 "aji_recv_loop        started at [ 4766] res_jabber.c aji_reload()"}
        lock_info = 0x84bfb70
        mutex_attr = {__size = "\001\000\000", __align = 1}
#9  0x0052d96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#10 0x00e9198e in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.