.
Thread 4 (Thread 0x7f4e95a82700 (LWP 2865)):
#0  0x00007f4eb7bb9dc3 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f4eb80f4f26 in g_main_context_poll (n_fds=5, fds=0x7f4e900029a0, timeout=-1, context=0x7f4ebb7d2fb0, priority=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3412
        poll_func = 0x7f4eb8101e80 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x7f4ebb7d2fb0, self=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3113
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7f4e900029a0
        max_priority = 2147483647
        nfds = 5
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x7f4ebb7d2fb0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3055
        some_ready = -1879037536
#4  0x00007f4eb80f538a in g_main_loop_run (loop=0x7f4ebb7ec3a0) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007f4eb86bfe46 in gdbus_shared_thread_func (user_data=0x7f4ebb7d2f80) at /build/buildd/glib2.0-2.31.16/./gio/gdbusprivate.c:276
        data = 0x7f4ebb7d2f80
#6  0x00007f4eb81165c5 in g_thread_proxy (data=0x7f4ebb7dc680) at /build/buildd/glib2.0-2.31.16/./glib/gthread.c:801
        thread = 0x7f4ebb7dc680
#7  0x00007f4eb7e97e9a in start_thread (arg=0x7f4e95a82700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f4e95a82700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -201402290422387547, 140736326069488, 139975495002560, 0, 3, 263833309137366181, 263766783241776293}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007f4eb7bc577d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7f4e94e69700 (LWP 2866)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:215
No locals.
#1  0x00007f4eb8130575 in g_cond_wait_until (cond=0x7f4ebb88d038, mutex=<optimized out>, end_time=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gthread-posix.c:855
        ts = {tv_sec = 147, tv_nsec = 843071000}
        status = <optimized out>
#2  0x00007f4eb80cb1ee in g_async_queue_pop_intern_unlocked (queue=0x7f4ebb88d030, wait=1, end_time=0x7f4e94e68c50) at /build/buildd/glib2.0-2.31.16/./glib/gasyncqueue.c:418
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007f4eb80cb7fe in g_async_queue_timed_pop (queue=0x7f4ebb88d030, end_time=0x7f4e94e68c50) at /build/buildd/glib2.0-2.31.16/./glib/gasyncqueue.c:542
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_timed_pop"
#4  0x00007f4eb8116d57 in g_thread_pool_wait_for_new_pool () at /build/buildd/glib2.0-2.31.16/./glib/gthreadpool.c:174
        end_time = {tv_sec = 1329289001, tv_usec = 956481}
        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
#5  g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gthreadpool.c:374
        free_pool = <optimized out>
        task = 0x2
        pool = <optimized out>
#6  0x00007f4eb81165c5 in g_thread_proxy (data=0x7f4ebb886190) at /build/buildd/glib2.0-2.31.16/./glib/gthread.c:801
        thread = 0x7f4ebb886190
#7  0x00007f4eb7e97e9a in start_thread (arg=0x7f4e94e69700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f4e94e69700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -201402290422387547, 140736326062480, 139975482317248, 0, 3, 263830435267374245, 263766783241776293}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007f4eb7bc577d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f4e8ffff700 (LWP 2869)):
#0  0x00007f4eb7bb9dc3 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f4eb80f4f26 in g_main_context_poll (n_fds=1, fds=0x7f4e840010e0, timeout=-1, context=0x7f4ebb2b2c00, priority=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3412
        poll_func = 0x7f4eb8101e80 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x7f4ebb2b2c00, self=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3113
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7f4e840010e0
        max_priority = 2147483647
        nfds = 1
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x7f4ebb2b2c00, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3055
        some_ready = -2080370464
#4  0x00007f4eb80f538a in g_main_loop_run (loop=0x7f4e840010c0) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007f4e9446575b in dconf_context_thread (data=0x7f4ebb2b2c00) at dconfcontext.c:11
        context = 0x7f4ebb2b2c00
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#6  0x00007f4eb81165c5 in g_thread_proxy (data=0x7f4ebb8eaa30) at /build/buildd/glib2.0-2.31.16/./glib/gthread.c:801
        thread = 0x7f4ebb8eaa30
#7  0x00007f4eb7e97e9a in start_thread (arg=0x7f4e8ffff700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f4e8ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -201402290422387547, 140736326065264, 139975400094144, 0, 3, 263854550434999461, 263766783241776293}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007f4eb7bc577d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f4eba3c5940 (LWP 2863)):
#0  g_type_check_instance_cast (type_instance=0xffffffffbb87f030, iface_type=139976122685744) at /build/buildd/glib2.0-2.31.16/./gobject/gtype.c:3993
No locals.
#1  0x00007f4eb9c43455 in create_cell (treeview=0x7f4ebb876000, accessible=0x7f4ebb5d1e00, tree=0x7f4ebb638890, node=0x7f4ebbca9b80, column=0xffffffffbb87f030) at /build/buildd/gtk+3.0-3.3.14/./gtk/a11y/gtktreeviewaccessible.c:369
        renderer = <optimized out>
        parent = <optimized out>
        renderer_list = <optimized out>
        l = <optimized out>
        container = 0x0
        cell = <optimized out>
#2  0x00007f4eb9c46092 in _gtk_tree_view_accessible_add_state (treeview=0x7f4ebb876000, tree=0x7f4ebb638890, node=0x7f4ebbca9b80, state=<optimized out>) at /build/buildd/gtk+3.0-3.3.14/./gtk/a11y/gtktreeviewaccessible.c:1894
        cell = 0x0
        focus_column = 0xffffffffbb87f030
        accessible = 0x7f4ebb5d1e00
        obj = <optimized out>
        i = <optimized out>
#3  0x00007f4eb9bc1849 in gtk_tree_view_real_set_cursor (tree_view=0x7f4ebb876000, path=0x7f4ebbbeeb90, flags=<optimized out>) at /build/buildd/gtk+3.0-3.3.14/./gtk/gtktreeview.c:13305
        new_tree = 0x7f4ebb638890
        new_node = 0x7f4ebbca9b80
#4  0x00007f4eb9bc5b64 in gtk_tree_view_button_press (widget=0x7f4ebb876000, event=0x7f4ebbaebdc0) at /build/buildd/gtk+3.0-3.3.14/./gtk/gtktreeview.c:3112
        focus_cell = <optimized out>
        pre_val = 0
        column_handled_click = 0
        path = 0x7f4ebbbeeb90
        y_offset = <optimized out>
        dval = <optimized out>
        rtl = 0
        extend_mod_mask = GDK_SHIFT_MASK
        modify_mod_mask = GDK_CONTROL_MASK
        node = 0x7f4ebbca9b80
        tree = 0x7f4ebb638890
        depth = 1
        column = 0x7f4ebb87f030
        row_double_click = 0
        node_selected = 1
        tree_view = 0x7f4ebb876000
        list = <optimized out>
        column = 0x0
        i = <optimized out>
        background_area = {x = 0, y = 96, width = 154, height = 54}
        cell_area = {x = 1, y = 96, width = 152, height = 54}
        vertical_separator = 0
        horizontal_separator = 2
        rtl = <optimized out>
#5  0x00007f4eb9aa4303 in _gtk_marshal_BOOLEAN__BOXED (closure=0x7f4ebb0ee690, return_value=0x7fffbab8eb20, n_param_values=<optimized out>, param_values=0x7f4ebb88e2d0, invocation_hint=<optimized out>, marshal_data=<optimized out>) at /build/buildd/gtk+3.0-3.3.14/./gtk/gtkmarshalers.c:85
        callback = 0x7f4eb9bc5350 <gtk_tree_view_button_press>
        cc = 0x7f4ebb0ee690
        data1 = 0x7f4ebb876000
        data2 = 0x7f4ebb0e8db0
        v_return = <optimized out>
        __PRETTY_FUNCTION__ = "_gtk_marshal_BOOLEAN__BOXED"
#6  0x00007f4eb83af384 in g_closure_invoke (closure=0x7f4ebb0ee690, return_value=0x7fffbab8eb20, n_param_values=2, param_values=0x7f4ebb88e2d0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.16/./gobject/gclosure.c:774
        marshal = 0x7f4eb83adc20 <g_type_class_meta_marshal>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#7  0x00007f4eb83bfc1a in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x7fffbab8ec60, instance_and_params=0x7f4ebb88e2d0) at /build/buildd/glib2.0-2.31.16/./gobject/gsignal.c:3340
        accumulator = 0x7f4ebb0eea90
        emission = {next = 0x0, instance = 0x7f4ebb876000, ihint = {signal_id = 28, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 139976124319216}
        class_closure = 0x7f4ebb0ee690
        hlist = 0x7f4ebb89d088
        handler_list = 0x0
        return_accu = 0x7fffbab8eb20
        accu = {g_type = 20, 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 = 28
        max_sequential_handler_number = 1712
        return_value_altered = 0
#8  0x00007f4eb83c6eed in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fffbab8ecc8) at /build/buildd/glib2.0-2.31.16/./gobject/gsignal.c:3043
        return_value = {g_type = 20, 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}}}
        error = 0x0
        rtype = 20
        static_scope = 0
        instance_and_params = 0x7f4ebb88e2d0
        signal_return_type = 20
        param_values = 0x7f4ebb88e2e8
        node = 0x7f4ebb0ee700
        i = <optimized out>
        n_params = 1
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#9  0x00007f4eb83c71d2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.16/./gobject/gsignal.c:3090
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffbab8eda0, reg_save_area = 0x7fffbab8ece0}}
#10 0x00007f4eb9bdfac9 in gtk_widget_event_internal (widget=0x7f4ebb876000, event=0x7f4ebbaebdc0) at /build/buildd/gtk+3.0-3.3.14/./gtk/gtkwidget.c:6154
        signal_num = <optimized out>
        return_val = 0
#11 0x00007f4eb9aa3ada in gtk_propagate_event (widget=0x7f4ebb876000, event=0x7f4ebbaebdc0) at /build/buildd/gtk+3.0-3.3.14/./gtk/gtkmain.c:2434
        tmp = <optimized out>
        handled_event = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_propagate_event"
#12 0x00007f4eb9aa3efb in gtk_main_do_event (event=0x7f4ebbaebdc0) at /build/buildd/gtk+3.0-3.3.14/./gtk/gtkmain.c:1691
        event_widget = <optimized out>
        grab_widget = 0x7f4ebb876000
        window_group = <optimized out>
        rewritten_event = <optimized out>
        device = <optimized out>
        tmp_list = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_main_do_event"
#13 0x00007f4eb96de792 in gdk_event_source_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/gtk+3.0-3.3.14/./gdk/x11/gdkeventsource.c:360
        display = <optimized out>
        event = 0x7f4ebbaebdc0
#14 0x00007f4eb80f4bca in g_main_dispatch (context=0x7f4ebb129ab0) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:2510
        dispatch = 0x7f4eb96de770 <gdk_event_source_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0x7f4ebb123800, next = 0x0}
        need_destroy = <optimized out>
        source = 0x7f4ebb123800
        current = 0x7f4ebb40d050
        i = <optimized out>
#15 g_main_context_dispatch (context=0x7f4ebb129ab0) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3047
No locals.
#16 0x00007f4eb80f4f90 in g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x7f4ebb129ab0, self=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3118
        timeout = 500
        some_ready = 1
        fds = <optimized out>
        max_priority = 2147483647
        nfds = 5
        allocated_nfds = <optimized out>
#17 g_main_context_iterate (context=0x7f4ebb129ab0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3055
        some_ready = 1
#18 0x00007f4eb80f5054 in g_main_context_iteration (context=0x7f4ebb129ab0, may_block=1) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3179
        retval = <optimized out>
#19 0x00007f4eb868c6a4 in g_application_run (application=0x7f4ebb2e3460, argc=<optimized out>, argv=0x7fffbab8f0c8) at /build/buildd/glib2.0-2.31.16/./gio/gapplication.c:1496
        arguments = 0x7f4ebb3ac350
        status = 0
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#20 0x00007f4eba3fcb3c in main (argc=2, argv=0x7fffbab8f0c8) at control-center.c:201
        shell = <optimized out>
        application = 0x7f4ebb2e3460
        status = <optimized out>