.
Thread 3 (Thread 0xb62a5b40 (LWP 25339)):
#0  0xb6bbec64 in __pthread_mutex_unlock_usercnt (mutex=0xb95779d0, decr=1) at pthread_mutex_unlock.c:52
        type = <optimized out>
        __PRETTY_FUNCTION__ = "__pthread_mutex_unlock_usercnt"
#1  0xb6d8ecc0 in g_mutex_unlock (mutex=mutex@entry=0xb9577848) at /build/buildd/glib2.0-2.34.0/./glib/gthread-posix.c:227
        _g_boolean_var_ = <optimized out>
        status = <optimized out>
#2  0xb6e1bd85 in g_param_spec_pool_lookup (pool=0xb9577848, param_name=<optimized out>, param_name@entry=0xb6f4d770 "byte-order", owner_type=<optimized out>, walk_ancestors=walk_ancestors@entry=1) at /build/buildd/glib2.0-2.34.0/./gobject/gparam.c:1090
        l = <optimized out>
        stack_buffer = "=%\323\266\020=\220\265\204/\343\266\000\000\000\000\000\020\345\266\020=\220\265\001\000\000\000\000\020\345\266"
        buffer = <optimized out>
        type = <optimized out>
        pspec = 0x1
        delim = <optimized out>
        __PRETTY_FUNCTION__ = "g_param_spec_pool_lookup"
#3  0xb6e158ee in g_object_notify (object=object@entry=0xb5903d10, property_name=property_name@entry=0xb6f4d770 "byte-order") at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1166
        pspec = <optimized out>
        __PRETTY_FUNCTION__ = "g_object_notify"
#4  0xb6e80753 in g_data_input_stream_set_byte_order (stream=stream@entry=0xb5903d10, order=G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN) at /build/buildd/glib2.0-2.34.0/./gio/gdatainputstream.c:225
        priv = <optimized out>
        __PRETTY_FUNCTION__ = "g_data_input_stream_set_byte_order"
#5  0xb6f1b410 in g_dbus_message_new_from_blob (blob=0xb5904000 "l\004\001\001", blob_len=136, capabilities=G_DBUS_CAPABILITY_FLAGS_UNIX_FD_PASSING, error=error@entry=0xb62a5018) at /build/buildd/glib2.0-2.34.0/./gio/gdbusmessage.c:1702
        ret = 0
        mis = 0xb4e02120
        dis = 0xb5903d10
        message = 0xb4e02180
        endianness = 108 'l'
        major_protocol_version = <optimized out>
        byte_order = <optimized out>
        message_body_len = <optimized out>
        headers = <optimized out>
        item = <optimized out>
        iter = {x = {3068138880, 3067671014, 3068137472, 3067668892, 3068138880, 3068137472, 3068138936, 3068641490, 2484091424, 8, 56, 3068137472, 3069902848, 3113408632, 3113408632, 3069902848}}
        signature = <optimized out>
        __PRETTY_FUNCTION__ = "g_dbus_message_new_from_blob"
#6  0xb6f26fcf in _g_dbus_worker_do_read_cb (input_stream=0xb9743ae8, res=0xb992d878, user_data=0x94101f00) at /build/buildd/glib2.0-2.34.0/./gio/gdbusprivate.c:753
        message = <optimized out>
        worker = 0x94101f00
        error = 0x0
        bytes_read = 120
#7  0xb6eba315 in g_simple_async_result_complete (simple=simple@entry=0xb992d878) at /build/buildd/glib2.0-2.34.0/./gio/gsimpleasyncresult.c:775
        current_source = 0xb5906528
        current_context = <optimized out>
        __PRETTY_FUNCTION__ = "g_simple_async_result_complete"
#8  0xb6eba43b in complete_in_idle_cb (data=data@entry=0xb992d878) at /build/buildd/glib2.0-2.34.0/./gio/gsimpleasyncresult.c:787
        simple = 0xb992d878
#9  0xb6d4ac30 in g_idle_dispatch (source=source@entry=0xb5906528, callback=0xb6eba420 <complete_in_idle_cb>, user_data=0xb992d878) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:4806
No locals.
#10 0xb6d4d9e3 in g_main_dispatch (context=0xb9594490) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:2715
        dispatch = 0xb6d4ac10 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0xb992d878
        callback = 0xb6eba420 <complete_in_idle_cb>
        cb_funcs = 0xb6e014fc
        cb_data = 0xb59076e8
        current_source_link = {data = 0xb5906528, next = 0x0}
        need_destroy = <optimized out>
        source = 0xb5906528
        current = 0xb95b6dc8
        i = <optimized out>
#11 g_main_context_dispatch (context=context@entry=0xb9594490) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3219
No locals.
#12 0xb6d4dd80 in g_main_context_iterate (context=0xb9594490, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3290
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = 3
        allocated_nfds = <optimized out>
        fds = <optimized out>
#13 0xb6d4e1db in g_main_loop_run (loop=0xb9594458) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3484
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#14 0xb6f24aba in gdbus_shared_thread_func (user_data=0xb9594478) at /build/buildd/glib2.0-2.34.0/./gio/gdbusprivate.c:277
        data = 0xb9594478
#15 0xb6d73303 in g_thread_proxy (data=0xb95bf550) at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
        thread = 0xb95bf550
#16 0xb6bbbd4c in start_thread (arg=0xb62a5b40) at pthread_create.c:308
        __res = <optimized out>
        pd = 0xb62a5b40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1229139968, 0, 4001536, -1238740248, 750195444, 258550517}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#17 0xb6af9d3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
.
Thread 2 (Thread 0xb58ffb40 (LWP 25340)):
#0  0xb76e4424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6aeb5f0 in __GI___poll (fds=fds@entry=0xb4e00c68, nfds=nfds@entry=1, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0xb6d5c74b in g_poll (fds=0xb4e00c68, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.34.0/./glib/gpoll.c:132
No locals.
#3  0xb6d4dd00 in g_main_context_poll (n_fds=1, fds=0xb4e00c68, timeout=<optimized out>, context=0xb966b500, priority=<optimized out>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
        poll_func = <optimized out>
#4  g_main_context_iterate (context=context@entry=0xb966b500, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0xb4e00c68
#5  0xb6d4de61 in g_main_context_iteration (context=context@entry=0xb966b500, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3351
        retval = <optimized out>
#6  0xb5a399e0 in dconf_gdbus_worker_thread (user_data=0xb966b500) at dconf-gdbus-thread.c:81
        context = 0xb966b500
#7  0xb6d73303 in g_thread_proxy (data=0xb9587ac0) at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
        thread = 0xb9587ac0
#8  0xb6bbbd4c in start_thread (arg=0xb58ffb40) at pthread_create.c:308
        __res = <optimized out>
        pd = 0xb58ffb40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1229139968, 0, 4001536, -1248857368, 1744245491, 258550517}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0xb6af9d3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
.
Thread 1 (Thread 0xb65e6840 (LWP 25338)):
#0  get_iter_from_path (path=0xb97f4750 "/org/bluez/959/hci0/dev_00_1C_EF_D5_16_4C", iter=0xbfa56180, store=<error reading variable: Cannot access memory at address 0x8>) at bluetooth-client.c:171
No locals.
#1  proxy_g_signal (proxy=0xb98f0278, sender_name=0xb99ceb68 ":1.2", signal_name=0xb9a66d90 "PropertyChanged", parameters=0xb9723d18, client=0xb97786a0) at bluetooth-client.c:248
        priv = 0x0
        iter = {stamp = -1079680448, user_data = 0xbfa56270, user_data2 = 0x0, user_data3 = 0xb70ff000}
        tree_path = <optimized out>
        table = <optimized out>
        path = 0xb97f4750 "/org/bluez/959/hci0/dev_00_1C_EF_D5_16_4C"
        property = <optimized out>
        variant = <optimized out>
        status = <optimized out>
#2  0xb66d548e in ffi_call_SYSV () at ../src/x86/sysv.S:64
No locals.
#3  0xb66d51ef in ffi_call (cif=cif@entry=0xbfa56314, fn=fn@entry=0xa854ddf0 <proxy_g_signal>, rvalue=0xbfa56290, avalue=avalue@entry=0xbfa56230) at ../src/x86/ffi.c:413
        ecif = {cif = 0xbfa56314, rvalue = 0xbfa56290, avalue = 0xbfa56230}
#4  0xb6e1015c in g_cclosure_marshal_generic (closure=closure@entry=0xb99371e0, return_gvalue=return_gvalue@entry=0x0, n_param_values=n_param_values@entry=4, param_values=param_values@entry=0xbfa564c0, invocation_hint=invocation_hint@entry=0xbfa5646c, marshal_data=marshal_data@entry=0x0) at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:1454
        rtype = <optimized out>
        rvalue = 0xbfa56290
        n_args = 5
        atypes = 0xbfa56260
        args = 0xbfa56230
        i = <optimized out>
        cif = {abi = FFI_SYSV, nargs = 5, arg_types = 0xbfa56260, rtype = 0xb66d56d0, bytes = 20, flags = 0}
        cc = 0xb99371e0
        enum_tmpval = 0xbfa562b0
        tmpval_used = 0
#5  0xb6e0f826 in g_closure_invoke (closure=0xb99371e0, return_value=return_value@entry=0x0, n_param_values=4, param_values=param_values@entry=0xbfa564c0, invocation_hint=invocation_hint@entry=0xbfa5646c) at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:777
        marshal = 0xb6e0ffa0 <g_cclosure_marshal_generic>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0xb99371d0
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#6  0xb6e2161f in signal_emit_unlocked_R (node=node@entry=0xb95be8e0, detail=detail@entry=0, instance=instance@entry=0xb98f0278, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0xbfa564c0) at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3551
        tmp = <optimized out>
        handler = 0xb992e760
        accumulator = 0x0
        emission = {next = 0x0, instance = 0xb98f0278, ihint = {signal_id = 142, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0xb95c4be0
        hlist = 0xbfa5646c
        handler_list = 0xb992e760
        return_accu = 0x0
        accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        signal_id = 142
        max_sequential_handler_number = 3441
        return_value_altered = 0
#7  0xb6e29732 in g_signal_emit_valist (instance=instance@entry=0xb98f0278, signal_id=signal_id@entry=142, detail=detail@entry=0, var_args=0xbfa566e8 "\226\002uP", var_args@entry=0xbfa566dc "") at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3300
        instance_and_params = 0xbfa564c0
        signal_return_type = 4
        param_values = 0xbfa564d4
        node = 0xb95be8e0
        i = <optimized out>
        n_params = 3
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#8  0xb6e298b3 in g_signal_emit (instance=instance@entry=0xb98f0278, signal_id=142, detail=detail@entry=0) at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3356
        var_args = 0xbfa566dc ""
#9  0xb6f20b7f in on_signal_received (connection=0xb97d60f0, sender_name=0xb5906d00 ":1.2", object_path=0xb5902c00 "/org/bluez/959/hci0/dev_00_1C_EF_D5_16_4C", interface_name=0xb5902c78 "org.bluez.Headset", signal_name=0xb5905e00 "PropertyChanged", parameters=0xb9723d18, user_data=0xb9759bc0) at /build/buildd/glib2.0-2.34.0/./gio/gdbusproxy.c:927
        data = 0xb9759bc0
        proxy = 0xb98f0278
#10 0xb6f0eb46 in emit_signal_instance_in_idle_cb (data=data@entry=0xb5908538) at /build/buildd/glib2.0-2.34.0/./gio/gdbusconnection.c:3715
        signal_instance = 0xb5908538
        parameters = 0xb9723d18
        has_subscription = 1
#11 0xb6d4ac30 in g_idle_dispatch (source=source@entry=0xb5906dc8, callback=0xb6f0eab0 <emit_signal_instance_in_idle_cb>, user_data=0xb5908538) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:4806
No locals.
#12 0xb6d4d9e3 in g_main_dispatch (context=0xb9591860) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:2715
        dispatch = 0xb6d4ac10 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0xb5908538
        callback = 0xb6f0eab0 <emit_signal_instance_in_idle_cb>
        cb_funcs = 0xb6e014fc
        cb_data = 0xb5902c90
        current_source_link = {data = 0xb5906dc8, next = 0x0}
        need_destroy = <optimized out>
        source = 0xb5906dc8
        current = 0xb95a30a8
        i = <optimized out>
#13 g_main_context_dispatch (context=context@entry=0xb9591860) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3219
No locals.
#14 0xb6d4dd80 in g_main_context_iterate (context=context@entry=0xb9591860, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3290
        max_priority = 2147483647
        timeout = 50
        some_ready = 1
        nfds = 6
        allocated_nfds = <optimized out>
        fds = <optimized out>
#15 0xb6d4de61 in g_main_context_iteration (context=0xb9591860, context@entry=0x0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3351
        retval = <optimized out>
#16 0xb6eeca9c in g_application_run (application=0xb97d6068, argc=argc@entry=2, argv=0xbfa56994) at /build/buildd/glib2.0-2.34.0/./gio/gapplication.c:1620
        arguments = 0xb974d4a8
        status = -1182841008
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#17 0xb770c8df in main (argc=2, argv=0xbfa56994) at control-center.c:207
        shell = <optimized out>
        application = 0xb97d6068
        status = <optimized out>