#0  0xb6f1989a in g_str_hash (v=0x0) at /build/buildd/glib2.0-2.35.8/./glib/ghash.c:1732
        p = 0x0
        h = 5381
#1  0xb6f18e28 in g_hash_table_lookup_node (hash_return=<synthetic pointer>, key=0x0, hash_table=0xb8018c08) at /build/buildd/glib2.0-2.35.8/./glib/ghash.c:365
        node_hash = <optimized out>
        hash_value = <optimized out>
        have_tombstone = 0
        step = 0
        node_index = <optimized out>
        first_tombstone = 0
#2  g_hash_table_lookup (hash_table=hash_table@entry=0xb8018c08, key=key@entry=0x0) at /build/buildd/glib2.0-2.35.8/./glib/ghash.c:1076
        node_hash = <optimized out>
        __PRETTY_FUNCTION__ = "g_hash_table_lookup"
#3  0xa1e73fe4 in cc_common_language_get_initial_languages () at cc-common-language.c:634
        ht = 0xb8018c08
        name = 0x0
        language = <optimized out>
        avail_languages = 0xb822ba68 "p\304\330\266PM\027\270control-center:5411): common-cc-panel-WARNING **: "
        error = 0x0
#4  0xa1e749b2 in cc_add_user_languages (model=0xb7fb9480) at cc-language-chooser.c:106
        name = <optimized out>
        iter = {stamp = -1220899849, user_data = 0xa1e85408, user_data2 = 0xb7d08ea0, user_data3 = 0xa1e5b9f1 <um_editable_combo_get_model+33>}
        store = 0xb7fb9480
        user_langs = <optimized out>
        display = <optimized out>
#5  0xa1e5e088 in show_user (user=user@entry=0xb818ef60, d=d@entry=0xb7d08ea0) at um-user-panel.c:609
        label2 = 0xb7565af9 <gtk_tree_model_get_valist+9>
        label3 = 0xb77ad000
        pixbuf = <optimized out>
        lang = <optimized out>
        model = <optimized out>
        iter = {stamp = -1208249632, user_data = 0xbfe66160, user_data2 = 0xbfe6615c, user_data3 = 0xb7565e20 <gtk_tree_model_get+144>}
        show = <optimized out>
        enable = <optimized out>
#6  0xa1e5ed7e in user_changed (um=0xb802bca0, user=user@entry=0xb818ef60, d=d@entry=0xb7d08ea0) at um-user-panel.c:294
        tv = 0xbfe66160
        selection = 0xb80c3f40
        model = 0xb7fb92e0
        iter = {stamp = 1118570385, user_data = 0xb8158bc8, user_data2 = 0x0, user_data3 = 0x0}
        current = 0xb818ef60
        pixbuf = <optimized out>
        text = <optimized out>
        is_autologin = <optimized out>
#7  0xb6ff3edc in g_cclosure_marshal_VOID__OBJECTv (closure=closure@entry=0xb7e95150, return_value=return_value@entry=0x0, instance=0xb7d08ea0, instance@entry=0xb802bca0, args=args@entry=0xbfe6641c "`\357\030\270", marshal_data=marshal_data@entry=0x0, n_params=n_params@entry=1, param_types=param_types@entry=0xb7f6edf0) at /build/buildd/glib2.0-2.35.8/./gobject/gmarshal.c:1312
        cc = 0xb7e95150
        data1 = <optimized out>
        data2 = 0xb7d08ea0
        callback = 0xa1e5eb90 <user_changed>
        arg0 = 0xb818ef60
        args_copy = 0xbfe66420 ""
#8  0xb6ff0fc1 in _g_closure_invoke_va (closure=0xb7e95150, return_value=return_value@entry=0x0, instance=instance@entry=0xb802bca0, args=args@entry=0xbfe6641c "`\357\030\270", n_params=1, param_types=0xb7f6edf0) at /build/buildd/glib2.0-2.35.8/./gobject/gclosure.c:840
        marshal = 0xb6ff3e80 <g_cclosure_marshal_VOID__OBJECTv>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0xb7e95140
        __PRETTY_FUNCTION__ = "_g_closure_invoke_va"
#9  0xb700bf27 in g_signal_emit_valist (instance=instance@entry=0xb802bca0, signal_id=signal_id@entry=362, detail=detail@entry=0, var_args=var_args@entry=0xbfe6641c "`\357\030\270") at /build/buildd/glib2.0-2.35.8/./gobject/gsignal.c:3225
        return_accu = <optimized out>
        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}}}
        accumulator = 0x0
        emission = {next = 0xbfe665c0, instance = 0xb802bca0, ihint = {signal_id = 362, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 3087089504}
        signal_id = <optimized out>
        instance_type = 3087089504
        emission_return = {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}}}
        rtype = 4
        static_scope = 0
        closure = <optimized out>
        run_type = <optimized out>
        hlist = 0x0
        l = <optimized out>
        fastpath = 4
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = 0xb80c43c8
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#10 0xb700c563 in g_signal_emit (instance=instance@entry=0xb802bca0, signal_id=362, detail=detail@entry=0) at /build/buildd/glib2.0-2.35.8/./gobject/gsignal.c:3370
        var_args = 0xbfe6641c "`\357\030\270"
#11 0xa1e4b2cf in remove_user_from_dupe_ring (manager=manager@entry=0xb802bca0, user=user@entry=0xb818ef60) at um-user-manager.c:144
        dupes = <optimized out>
        dup = <optimized out>
#12 0xa1e4b3cb in user_changed_handler (user=0xb818ef60, manager=0xb802bca0) at um-user-manager.c:199
No locals.
#13 0xb6ff2ae5 in g_cclosure_marshal_VOID__VOIDv (closure=closure@entry=0xb8197fb0, return_value=return_value@entry=0x0, instance=instance@entry=0xb818ef60, args=args@entry=0xbfe666ec "", marshal_data=marshal_data@entry=0x0, n_params=n_params@entry=0, param_types=param_types@entry=0x0) at /build/buildd/glib2.0-2.35.8/./gobject/gmarshal.c:115
        cc = 0xb8197fb0
        data1 = 0xb818ef60
        data2 = <optimized out>
        callback = <optimized out>
#14 0xb6ff0fc1 in _g_closure_invoke_va (closure=0xb8197fb0, return_value=return_value@entry=0x0, instance=instance@entry=0xb818ef60, args=args@entry=0xbfe666ec "", n_params=0, param_types=0x0) at /build/buildd/glib2.0-2.35.8/./gobject/gclosure.c:840
        marshal = 0xb6ff2aa0 <g_cclosure_marshal_VOID__VOIDv>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0xb8197fa0
        __PRETTY_FUNCTION__ = "_g_closure_invoke_va"
#15 0xb700bf27 in g_signal_emit_valist (instance=instance@entry=0xb818ef60, signal_id=signal_id@entry=371, detail=detail@entry=0, var_args=var_args@entry=0xbfe666ec "") at /build/buildd/glib2.0-2.35.8/./gobject/gsignal.c:3225
        return_accu = <optimized out>
        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}}}
        accumulator = 0x0
        emission = {next = 0xbfe669b4, instance = 0xb818ef60, ihint = {signal_id = 371, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 3087795096}
        signal_id = <optimized out>
        instance_type = 3087795096
        emission_return = {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}}}
        rtype = 4
        static_scope = 0
        closure = <optimized out>
        run_type = <optimized out>
        hlist = 0x0
        l = <optimized out>
        fastpath = 4
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = 0xb817a720
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#16 0xb700c563 in g_signal_emit (instance=instance@entry=0xb818ef60, signal_id=371, detail=detail@entry=0) at /build/buildd/glib2.0-2.35.8/./gobject/gsignal.c:3370
        var_args = 0xbfe666ec ""
#17 0xa1e4aafe in user_signal_cb (user=0xb818ef60, proxy=<optimized out>, sender_name=<optimized out>, signal_name=<optimized out>, parameters=<optimized out>) at um-user.c:599
No locals.
#18 user_signal_cb (proxy=0xb7fb3b20, sender_name=0xb82461d0 ":1.28", signal_name=<optimized out>, parameters=0xb80e9ab0, user=0xb818ef60) at um-user.c:592
No locals.
#19 0xb68d947e in ffi_call_SYSV () at ../src/x86/sysv.S:53
No locals.
#20 0xb68d91df in ffi_call (cif=cif@entry=0xbfe66864, fn=fn@entry=0xa1e4aa80 <user_signal_cb>, rvalue=0xbfe667e0, avalue=avalue@entry=0xbfe66780) at ../src/x86/ffi.c:411
        ecif = {cif = 0xbfe66864, rvalue = 0xbfe667e0, avalue = 0xbfe66780}
#21 0xb6ff164c in g_cclosure_marshal_generic (closure=closure@entry=0xb810cb18, return_gvalue=return_gvalue@entry=0x0, n_param_values=n_param_values@entry=4, param_values=param_values@entry=0xbfe66a10, invocation_hint=invocation_hint@entry=0xbfe669bc, marshal_data=marshal_data@entry=0x0) at /build/buildd/glib2.0-2.35.8/./gobject/gclosure.c:1454
        rtype = <optimized out>
        rvalue = 0xbfe667e0
        n_args = 5
        atypes = 0xbfe667b0
        args = 0xbfe66780
        i = <optimized out>
        cif = {abi = FFI_SYSV, nargs = 5, arg_types = 0xbfe667b0, rtype = 0xb68d96b8 <ffi_type_sint8+8>, bytes = 20, flags = 0}
        cc = 0xb810cb18
        enum_tmpval = 0xbfe66800
        tmpval_used = 0
#22 0xb6ff0d16 in g_closure_invoke (closure=0xb810cb18, return_value=return_value@entry=0x0, n_param_values=4, param_values=param_values@entry=0xbfe66a10, invocation_hint=invocation_hint@entry=0xbfe669bc) at /build/buildd/glib2.0-2.35.8/./gobject/gclosure.c:777
        marshal = 0xb6ff1490 <g_cclosure_marshal_generic>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0xb810cb08
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#23 0xb7003e36 in signal_emit_unlocked_R (node=node@entry=0xb7c70248, detail=detail@entry=0, instance=instance@entry=0xb7fb3b20, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0xbfe66a10) at /build/buildd/glib2.0-2.35.8/./gobject/gsignal.c:3566
        tmp = <optimized out>
        handler = 0xb81578c0
        accumulator = 0x0
        emission = {next = 0x0, instance = 0xb7fb3b20, ihint = {signal_id = 150, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0xb7c70208
        hlist = 0xb81578c0
        handler_list = 0xb81578c0
        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 = 150
        max_sequential_handler_number = 5473
        return_value_altered = 0
#24 0xb700c369 in g_signal_emit_valist (instance=instance@entry=0xb7fb3b20, signal_id=signal_id@entry=150, detail=detail@entry=0, var_args=0xbfe66c38 "", var_args@entry=0xbfe66c2c "\200x\260\263\250y\260\263\260\232\016\270") at /build/buildd/glib2.0-2.35.8/./gobject/gsignal.c:3314
        instance_and_params = 0xbfe66a10
        signal_return_type = 4
        param_values = 0xbfe66a24
        node = 0xb7c70248
        i = <optimized out>
        n_params = 3
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#25 0xb700c563 in g_signal_emit (instance=instance@entry=0xb7fb3b20, signal_id=150, detail=detail@entry=0) at /build/buildd/glib2.0-2.35.8/./gobject/gsignal.c:3370
        var_args = 0xbfe66c2c "\200x\260\263\250y\260\263\260\232\016\270"
#26 0xb710e35f in on_signal_received (connection=0xb80b3870, sender_name=0xb3b07880 ":1.28", object_path=0xb3b07800 "/org/freedesktop/Accounts/User1000", interface_name=0xb3b03e00 "org.freedesktop.Accounts.User", signal_name=0xb3b079a8 "Changed", parameters=0xb80e9ab0, user_data=0xb81126a8) at /build/buildd/glib2.0-2.35.8/./gio/gdbusproxy.c:927
        data = 0xb81126a8
        proxy = 0xb7fb3b20
#27 0xb70fc716 in emit_signal_instance_in_idle_cb (data=data@entry=0xb3b023d0) at /build/buildd/glib2.0-2.35.8/./gio/gdbusconnection.c:3715
        signal_instance = 0xb3b023d0
        parameters = 0xb80e9ab0
        has_subscription = 1
#28 0xb6f26e50 in g_idle_dispatch (source=source@entry=0xb3b03e50, callback=0xb70fc680 <emit_signal_instance_in_idle_cb>, user_data=0xb3b023d0) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:5205
No locals.
#29 0xb6f2a2f3 in g_main_dispatch (context=0xb7c6cdc8) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3054
        dispatch = 0xb6f26e30 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0xb3b023d0
        callback = 0xb70fc680 <emit_signal_instance_in_idle_cb>
        cb_funcs = 0xb6fe251c <g_source_callback_funcs>
        cb_data = 0xb3b07838
        current_source_link = {data = 0xb3b03e50, next = 0x0}
        need_destroy = <optimized out>
        source = 0xb3b03e50
        current = 0xb7c86c08
        i = <optimized out>
#30 g_main_context_dispatch (context=context@entry=0xb7c6cdc8) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3630
No locals.
#31 0xb6f2a690 in g_main_context_iterate (context=context@entry=0xb7c6cdc8, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3701
        max_priority = 0
        timeout = 0
        some_ready = 1
        allocated_nfds = <optimized out>
        fds = <optimized out>
        nfds = 4
#32 0xb6f2a771 in g_main_context_iteration (context=0xb7c6cdc8, context@entry=0x0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3762
        retval = <optimized out>
#33 0xb70d8dbc in g_application_run (application=0xb7f4bb68, argc=argc@entry=2, argv=0xbfe66ee4) at /build/buildd/glib2.0-2.35.8/./gio/gapplication.c:1620
        arguments = 0xb7f66900
        status = 5381
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#34 0xb77f448f in main (argc=2, argv=0xbfe66ee4) at control-center.c:263
        shell = <optimized out>
        application = 0xb7f4bb68
        status = <optimized out>