.
Thread 4 (Thread 0xa61ffb70 (LWP 2229)):
#0  0x00c63416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00dbc40e in __GI___poll (fds=0xa62011b8, nfds=5, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0x00b4289b in g_poll (fds=0xa62011b8, nfds=5, timeout=-1) at /build/buildd/glib2.0-2.29.18/./glib/gpoll.c:132
No locals.
#3  0x00b33db6 in g_main_context_poll (n_fds=5, fds=0xa62011b8, timeout=<optimized out>, context=0x21ac5b08, priority=<optimized out>) at /build/buildd/glib2.0-2.29.18/./glib/gmain.c:3402
        poll_func = 0xb42870 <g_poll>
#4  g_main_context_iterate (context=0x21ac5b08, block=11806832, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.29.18/./glib/gmain.c:3084
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 5
        allocated_nfds = <optimized out>
        fds = 0xa62011b8
#5  0x00b344bb in g_main_loop_run (loop=0x21ac05f0) at /build/buildd/glib2.0-2.29.18/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0x008d5dca in gdbus_shared_thread_func (user_data=0x21aa7c48) at /build/buildd/glib2.0-2.29.18/./gio/gdbusprivate.c:276
        data = 0x21aa7c48
#7  0x00b5ad94 in g_thread_create_proxy (data=0x21ac5b98) at /build/buildd/glib2.0-2.29.18/./glib/gthread.c:1962
        thread = 0x21ac5b98
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0x001a7d31 in start_thread (arg=0xa61ffb70) at pthread_create.c:304
        __res = <optimized out>
        pd = 0xa61ffb70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {1806324, 0, 4001536, -1507855592, 89544276, 239613208}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x00dcb0ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 3 (Thread 0xa59feb70 (LWP 2232)):
#0  0x00c63416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x001abe04 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:236
No locals.
#2  0x0019d0a1 in g_cond_timed_wait_posix_impl (cond=0x21cc8078, entered_mutex=0x21c29f98, abs_time=0xa59fe1a8) at /build/buildd/glib2.0-2.29.18/./gthread/gthread-posix.c:242
        result = <optimized out>
        end_time = {tv_sec = 1315162417, tv_nsec = 587321000}
        timed_out = <optimized out>
        __PRETTY_FUNCTION__ = "g_cond_timed_wait_posix_impl"
#3  0x00b054c0 in g_async_queue_pop_intern_unlocked (queue=0x21c29d98, try=<optimized out>, end_time=0xa59fe1a8) at /build/buildd/glib2.0-2.29.18/./glib/gasyncqueue.c:415
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#4  0x00b05e7e in g_async_queue_timed_pop (queue=0x21c29d98, end_time=0xa59fe1a8) at /build/buildd/glib2.0-2.29.18/./glib/gasyncqueue.c:536
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_timed_pop"
#5  0x00b5d0fb in g_thread_pool_wait_for_new_pool () at /build/buildd/glib2.0-2.29.18/./glib/gthreadpool.c:175
        end_time = {tv_sec = 1315162417, tv_usec = 587321}
        pool = <optimized out>
        local_max_idle_time = 15000
        local_wakeup_thread_serial = <optimized out>
        local_max_unused_threads = 2
        last_wakeup_thread_serial = 0
        have_relayed_thread_marker = 0
#6  g_thread_pool_thread_proxy (data=0x21c2b6f8) at /build/buildd/glib2.0-2.29.18/./glib/gthreadpool.c:378
        free_pool = <optimized out>
        task = 0x2
        pool = <optimized out>
#7  0x00b5ad94 in g_thread_create_proxy (data=0x21c2b1c8) at /build/buildd/glib2.0-2.29.18/./glib/gthread.c:1962
        thread = 0x21c2b1c8
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0x001a7d31 in start_thread (arg=0xa59feb70) at pthread_create.c:304
        __res = <optimized out>
        pd = 0xa59feb70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {1806324, 0, 4001536, -1516248296, 91641427, 239613208}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x00dcb0ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 2 (Thread 0xa6bfab70 (LWP 2228)):
#0  0x00c63416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00dbc40e in __GI___poll (fds=0x21ac7b10, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0x00b4289b in g_poll (fds=0x21ac7b10, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.29.18/./glib/gpoll.c:132
No locals.
#3  0x00b33db6 in g_main_context_poll (n_fds=1, fds=0x21ac7b10, timeout=<optimized out>, context=0x21b041d8, priority=<optimized out>) at /build/buildd/glib2.0-2.29.18/./glib/gmain.c:3402
        poll_func = 0xb42870 <g_poll>
#4  g_main_context_iterate (context=0x21b041d8, block=11806832, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.29.18/./glib/gmain.c:3084
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x21ac7b10
#5  0x00b344bb in g_main_loop_run (loop=0x21ac7b00) at /build/buildd/glib2.0-2.29.18/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0x216a4434 in dconf_context_thread (data=0x21b041d8) at dconfcontext.c:11
        context = 0x21b041d8
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#7  0x00b5ad94 in g_thread_create_proxy (data=0x21afc0b0) at /build/buildd/glib2.0-2.29.18/./glib/gthread.c:1962
        thread = 0x21afc0b0
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0x001a7d31 in start_thread (arg=0xa6bfab70) at pthread_create.c:304
        __res = <optimized out>
        pd = 0xa6bfab70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {1806324, 0, 4001536, -1497390312, 1173771861, 239613208}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x00dcb0ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 1 (Thread 0xb7832840 (LWP 2225)):
#0  g_str_hash (v=0x0) at /build/buildd/glib2.0-2.29.18/./glib/gstring.c:142
        p = 0x0
        h = 5381
#1  0x00b21498 in g_hash_table_lookup_node (hash_return=<synthetic pointer>, key=0x0, hash_table=0x21d000c0) at /build/buildd/glib2.0-2.29.18/./glib/ghash.c:360
        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=0x21d000c0, key=0x0) at /build/buildd/glib2.0-2.29.18/./glib/ghash.c:1022
        node_hash = <optimized out>
        __PRETTY_FUNCTION__ = "g_hash_table_lookup"
#3  0x1828efc4 in count_languages_and_territories () at gdm-languages.c:638
        locale = 0x21d0cab8
        value = 0x21d0cab8
        iter = {dummy1 = 0x21cda718, dummy2 = 0x21d069d8, dummy3 = 0xb55a9b, dummy4 = 7, dummy5 = -1, dummy6 = 0x15}
        count = 1
#4  collect_locales () at gdm-languages.c:663
No locals.
#5  0x1828f539 in get_language_count (language=<optimized out>) at gdm-languages.c:670
No locals.
#6  is_unique_language (language=<optimized out>) at gdm-languages.c:679
No locals.
#7  gdm_get_language_from_name (name=0x21d069d8 "en_CA", locale=0x0) at gdm-languages.c:1168
        full_language = 0x21a59c40
        language_code = 0x21d49f70 "en"
        territory_code = 0x21d49f80 "CA"
        codeset_code = 0x0
        langinfo_codeset = 0x0
        translated_language = 0x21d498e8 "English"
        translated_territory = 0x0
        modifier = 0x0
        is_utf8 = 1
        __PRETTY_FUNCTION__ = "gdm_get_language_from_name"
#8  0x182904d0 in cc_common_language_get_initial_languages () at cc-common-language.c:555
        ht = 0x21cffe10
        name = 0x21d069d8 "en_CA"
        language = <optimized out>
        command = {0x182944a8 "/usr/share/language-tools/language-options", 0x0}
        error = 0x0
        avail_languages = 0x21d069d8 "en_CA"
#9  0x18290e62 in cc_add_user_languages (model=0x21bcaa40) at cc-language-chooser.c:103
        name = <optimized out>
        iter = {stamp = 566221712, user_data = 0x182996e8, user_data2 = 0x21c78880, user_data3 = 0x18289391}
        store = 0x21bcaa40
        user_langs = <optimized out>
        display = <optimized out>
#10 0x1828b968 in show_user (user=0x21c78880, d=<optimized out>) at um-user-panel.c:591
        label = 0x21be10e0
        label2 = 0x219fee18
        label3 = 0x219ff150
        pixbuf = <optimized out>
        lang = <optimized out>
        model = <optimized out>
        iter = {stamp = 566461208, user_data = 0xbfe51f58, user_data2 = 0x21c17e78, user_data3 = 0x53a310}
#11 0x1828bba1 in selected_user_changed (selection=0x21c17e78, d=0x219ff150) at um-user-panel.c:625
        model = 0x21c38318
        iter = {stamp = -589269134, user_data = 0x21d00eb0, user_data2 = 0x0, user_data3 = 0x0}
        user = 0x21c78880
#12 0x00156f6c in g_cclosure_marshal_VOID__VOID (closure=0x219b2998, return_value=0x0, n_param_values=1, param_values=0x21cfe920, invocation_hint=0xbfe520a0, marshal_data=0x0) at /build/buildd/glib2.0-2.29.18/./gobject/gmarshal.c:85
        callback = 0x1828bb30 <selected_user_changed>
        cc = 0x219b2998
        data1 = 0x21c17e78
        data2 = <optimized out>
        __PRETTY_FUNCTION__ = "g_cclosure_marshal_VOID__VOID"
#13 0x00155a5c in g_closure_invoke (closure=0x219b2998, return_value=0x0, n_param_values=1, param_values=0x21cfe920, invocation_hint=0xbfe520a0) at /build/buildd/glib2.0-2.29.18/./gobject/gclosure.c:774
        marshal = 0x156ee0 <g_cclosure_marshal_VOID__VOID>
        marshal_data = 0x0
        in_marshal = 0
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#14 0x00169ec0 in signal_emit_unlocked_R (node=0x21c153b8, detail=0, instance=0x21c17e78, emission_return=0x0, instance_and_params=0x21cfe920) at /build/buildd/glib2.0-2.29.18/./gobject/gsignal.c:3272
        tmp = <optimized out>
        handler = 0x21c068e0
        accumulator = 0x0
        emission = {next = 0xbfe52518, instance = 0x21c17e78, ihint = {signal_id = 273, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x21c16c18
        hlist = 0x21c07df0
        handler_list = 0x21c068e0
        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 = 273
        max_sequential_handler_number = 1293
        return_value_altered = 1
#15 0x00172b8f in g_signal_emit_valist (instance=0x21c17e78, signal_id=273, detail=0, var_args=0xbfe5224c "\\TT") at /build/buildd/glib2.0-2.29.18/./gobject/gsignal.c:3003
        instance_and_params = 0x21cfe920
        signal_return_type = 4
        param_values = 0x21cfe934
        node = 0x21c153b8
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#16 0x00172d03 in g_signal_emit (instance=0x21c17e78, signal_id=273, detail=0) at /build/buildd/glib2.0-2.29.18/./gobject/gsignal.c:3060
        var_args = 0xbfe5224c "\\TT"
#17 0x005470b4 in _gtk_tree_selection_internal_select_node (selection=0x21c17e78, node=0x21c3d440, tree=0x21c082c8, path=0x21a56c40, mode=0, override_browse_mode=0) at /build/buildd/gtk+3.0-3.1.12/./gtk/gtktreeselection.c:1620
        priv = <optimized out>
        flags = <optimized out>
        dirty = <optimized out>
        anchor_path = 0x0
#18 0x00547609 in gtk_tree_selection_select_path (selection=0x21c17e78, path=0x21a56c40) at /build/buildd/gtk+3.0-3.1.12/./gtk/gtktreeselection.c:921
        priv = 0x21c17e88
        node = 0x21c3d440
        tree = 0x21c082c8
        ret = <optimized out>
        mode = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_tree_selection_select_path"
#19 0x005476df in gtk_tree_selection_select_iter (selection=0x21c17e78, iter=0xbfe5236c) at /build/buildd/gtk+3.0-3.1.12/./gtk/gtktreeselection.c:999
        priv = <optimized out>
        path = 0x21a56c40
        model = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_tree_selection_select_iter"
#20 0x1828c0f2 in user_added (um=0x21be7420, user=0x21c78880, d=0x219ff150) at um-user-panel.c:172
        widget = 0x21be1608
        model = 0x21c38318
        store = 0x21c38318
        iter = {stamp = -589269134, user_data = 0x21d00eb0, user_data2 = 0x21ac7ef0, user_data3 = 0x21cfff60}
        dummy = {stamp = 0, user_data = 0x0, user_data2 = 0x0, user_data3 = 0x0}
        pixbuf = 0x21d00300
        text = 0x21be1608 "\001"
        selection = 0x21c17e78
        sort_key = 1
        is_autologin = 0
#21 0x1828c1f5 in users_loaded (manager=0x21be7420, d=0x219ff150) at um-user-panel.c:864
        list = 0x21d01ab0
        l = 0x21d01ab0
        user = 0x21c78880
        dialog = <optimized out>
#22 0x00156f6c in g_cclosure_marshal_VOID__VOID (closure=0x21c08228, return_value=0x0, n_param_values=1, param_values=0x21d03208, invocation_hint=0xbfe52520, marshal_data=0x0) at /build/buildd/glib2.0-2.29.18/./gobject/gmarshal.c:85
        callback = 0x1828c100 <users_loaded>
        cc = 0x21c08228
        data1 = 0x21be7420
        data2 = <optimized out>
        __PRETTY_FUNCTION__ = "g_cclosure_marshal_VOID__VOID"
#23 0x00155a5c in g_closure_invoke (closure=0x21c08228, return_value=0x0, n_param_values=1, param_values=0x21d03208, invocation_hint=0xbfe52520) at /build/buildd/glib2.0-2.29.18/./gobject/gclosure.c:774
        marshal = 0x156ee0 <g_cclosure_marshal_VOID__VOID>
        marshal_data = 0x0
        in_marshal = 0
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#24 0x00169ec0 in signal_emit_unlocked_R (node=0x21bf7ab0, detail=0, instance=0x21be7420, emission_return=0x0, instance_and_params=0x21d03208) at /build/buildd/glib2.0-2.29.18/./gobject/gsignal.c:3272
        tmp = <optimized out>
        handler = 0x21c3d4e0
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x21be7420, ihint = {signal_id = 267, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x21bde598
        hlist = 0x21c314c8
        handler_list = 0x21c3d4e0
        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 = 267
        max_sequential_handler_number = 1291
        return_value_altered = 0
#25 0x00172b8f in g_signal_emit_valist (instance=0x21be7420, signal_id=267, detail=0, var_args=0xbfe526cc "\240d\302!\354&\345\277") at /build/buildd/glib2.0-2.29.18/./gobject/gsignal.c:3003
        instance_and_params = 0x21d03208
        signal_return_type = 4
        param_values = 0x21d0321c
        node = 0x21bf7ab0
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#26 0x00172d03 in g_signal_emit (instance=0x21be7420, signal_id=267, detail=0) at /build/buildd/glib2.0-2.29.18/./gobject/gsignal.c:3060
        var_args = 0xbfe526cc "\240d\302!\354&\345\277"
#27 0x1827b072 in got_users (proxy=0x21ac8088, call_id=0x1, data=0x21be7420) at um-user-manager.c:289
        manager = 0x21be7420
        error = 0x0
        paths = 0x21d03190
#28 0x11fd016d in d_pending_call_notify (dcall=0x21bfe978, data=0x21c02178) at dbus-gproxy.c:1823
        closure = 0x21c02178
#29 0x11444961 in _dbus_pending_call_complete (pending=0x21bfe978) at ../../dbus/dbus-pending-call.c:199
        user_data = <optimized out>
#30 0x1142f897 in complete_pending_call_and_unlock (connection=0x21be3b70, pending=0x21bfe978, message=0x21be3ef8) at ../../dbus/dbus-connection.c:2303
No locals.
#31 0x11433177 in dbus_connection_dispatch (connection=0x21be3b70) at ../../dbus/dbus-connection.c:4552
        message = 0x21be3ef8
        link = <optimized out>
        filter_list_copy = <optimized out>
        message_link = 0x2198d830
        result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED
        pending = <optimized out>
        reply_serial = <optimized out>
        status = <optimized out>
        __FUNCTION__ = "dbus_connection_dispatch"
#32 0x11fca95d in message_queue_dispatch (source=0x21b3d4c8, callback=0, user_data=0x0) at dbus-gmain.c:90
        connection = 0x21be3b70
#33 0x00b3377f in g_main_dispatch (context=0x21980068) at /build/buildd/glib2.0-2.29.18/./glib/gmain.c:2442
        dispatch = 0x11fca930 <message_queue_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0x21b3d4c8, next = 0x0}
        need_destroy = <optimized out>
        source = 0x21b3d4c8
        current = 0x21a767a0
        i = <optimized out>
#34 g_main_context_dispatch (context=0x21980068) at /build/buildd/glib2.0-2.29.18/./glib/gmain.c:3011
No locals.
#35 0x00b33eb0 in g_main_context_iterate (context=0x21980068, block=11806832, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.29.18/./glib/gmain.c:3089
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x21cf78a0
#36 0x00b344bb in g_main_loop_run (loop=0x21b36e48) at /build/buildd/glib2.0-2.29.18/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#37 0x00417805 in gtk_main () at /build/buildd/gtk+3.0-3.1.12/./gtk/gtkmain.c:1367
        loop = 0x21b36e48
#38 0x00317b74 in gtk_application_run_mainloop (application=0x21a56330) at /build/buildd/gtk+3.0-3.1.12/./gtk/gtkapplication.c:112
No locals.
#39 0x008a82bc in g_application_run (application=0x21a56330, argc=1, argv=0xbfe52a64) at /build/buildd/glib2.0-2.29.18/./gio/gapplication.c:1325
        arguments = 0x21b36e48
        status = 0
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#40 0x00ae6d16 in main (argc=1, argv=0xbfe52a64) at control-center.c:196
        shell = <optimized out>
        application = 0x21a56330
        status = <optimized out>