.
Thread 4 (Thread 0x7f64c1ffe700 (LWP 19087)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:215
No locals.
#1  0x00007f64d18798f5 in g_cond_wait_until (cond=0x26fd158, mutex=<optimized out>, end_time=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gthread-posix.c:855
        ts = {tv_sec = 33367, tv_nsec = 935612000}
        status = <optimized out>
#2  0x00007f64d18141c1 in g_async_queue_pop_intern_unlocked (queue=0x26fd150, wait=1, end_time=33367935612) at /build/buildd/glib2.0-2.32.0/./glib/gasyncqueue.c:424
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007f64d18147da in g_async_queue_timeout_pop (queue=0x26fd150, timeout=15000000) at /build/buildd/glib2.0-2.32.0/./glib/gasyncqueue.c:545
        end_time = 33367935612
        retval = <optimized out>
#4  0x00007f64d1860134 in g_thread_pool_wait_for_new_pool () at /build/buildd/glib2.0-2.32.0/./glib/gthreadpool.c:169
        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/glib2.0-2.32.0/./glib/gthreadpool.c:366
        free_pool = <optimized out>
        task = 0x2
        pool = <optimized out>
#6  0x00007f64d185f9b5 in g_thread_proxy (data=0x26e8cf0) at /build/buildd/glib2.0-2.32.0/./glib/gthread.c:801
        thread = 0x26e8cf0
#7  0x00007f64d10cbe9a in start_thread (arg=0x7f64c1ffe700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f64c1ffe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 8130780534277705997, 140736571920192, 140070728231360, 0, 3, -8205604500620668659, -8205567556463324915}, 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  0x00007f64d0df94bd 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 0x7f64c9daa700 (LWP 19086)):
#0  0x00007f64d0dedb03 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  0x00007f64d183dff6 in g_main_context_poll (n_fds=3, fds=0x7f64bc0010c0, timeout=-1, context=0x7f64c4010a50, priority=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3417
        poll_func = 0x7f64d184af10 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x7f64c4010a50, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3118
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7f64bc0010c0
        max_priority = 2147483647
        nfds = 3
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x7f64c4010a50, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3060
        some_ready = -1140846400
#4  0x00007f64d183e45a in g_main_loop_run (loop=0x7f64c4010a00) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007f64d252a326 in gdbus_shared_thread_func (user_data=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gio/gdbusprivate.c:277
        data = 0x7f64c4010a20
#6  0x00007f64d185f9b5 in g_thread_proxy (data=0x7f64c400a140) at /build/buildd/glib2.0-2.32.0/./glib/gthread.c:801
        thread = 0x7f64c400a140
#7  0x00007f64d10cbe9a in start_thread (arg=0x7f64c9daa700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f64c9daa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 8130780534277705997, 140070868396336, 140070860007872, 0, 3, -8205621863025962739, -8205567556463324915}, 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  0x00007f64d0df94bd 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 0x7f64ca5ab700 (LWP 19085)):
#0  0x00007f64d0dedb03 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  0x00007f64d183dff6 in g_main_context_poll (n_fds=1, fds=0x7f64c40010e0, timeout=-1, context=0x24c4bc0, priority=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3417
        poll_func = 0x7f64d184af10 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x24c4bc0, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3118
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7f64c40010e0
        max_priority = 2147483647
        nfds = 1
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x24c4bc0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3060
        some_ready = -1006628640
#4  0x00007f64d183e45a in g_main_loop_run (loop=0x7f64c40010c0) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007f64cbda798b in dconf_context_thread (data=<optimized out>) at dconfcontext.c:11
        context = 0x24c4bc0
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#6  0x00007f64d185f9b5 in g_thread_proxy (data=0x24abf20) at /build/buildd/glib2.0-2.32.0/./glib/gthread.c:801
        thread = 0x24abf20
#7  0x00007f64d10cbe9a in start_thread (arg=0x7f64ca5ab700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f64ca5ab700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 8130780534277705997, 140736571922400, 140070868400576, 0, 3, -8205627358973488883, -8205567556463324915}, 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  0x00007f64d0df94bd 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 0x7f64d34b1940 (LWP 19082)):
#0  0x00007f64d0d3d445 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = 19082
#1  0x00007f64d0d40bab in __GI_abort () at abort.c:91
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x18, sa_sigaction = 0x18}, sa_mask = {__val = {140070988781881, 140070976805960, 140071018435808, 1024, 43116416, 44104032, 4294967296, 4294967295, 43116416, 138, 43116416, 3092568, 0, 0, 4, 140070988242944}}, sa_flags = -752060556, sa_restorer = 0x5}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f64d185df6d in g_assertion_message (domain=<optimized out>, file=<optimized out>, line=<optimized out>, func=0x7f64d2dd9ac0 "_gtk_rbtree_node_find_offset", message=0x27eec40 "assertion failed: (node)") at /build/buildd/glib2.0-2.32.0/./glib/gtestutils.c:1861
        lstr = "914\000\377\177\000\000\060S`\311\377\177\000\000\240\337r\002\000\000\000\000\070u\337\322d\177\000"
        s = 0x291e780 ""
#3  0x00007f64d185e492 in g_assertion_message_expr (domain=0x7f64d2d312fd "Gtk", file=0x7f64d2dd9980 "/build/buildd/gtk+3.0-3.4.0/./gtk/gtkrbtree.c", line=914, func=0x7f64d2dd9ac0 "_gtk_rbtree_node_find_offset", expr=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gtestutils.c:1872
        s = <optimized out>
#4  0x00007f64d2bfd196 in _gtk_rbtree_node_find_offset (tree=0x0, node=0x0) at /build/buildd/gtk+3.0-3.4.0/./gtk/gtkrbtree.c:914
        last = <optimized out>
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "_gtk_rbtree_node_find_offset"
#5  0x00007f64d2cb892b in gtk_tree_view_clamp_node_visible (node=0x0, tree=0x0, tree_view=0x260e020) at /build/buildd/gtk+3.0-3.4.0/./gtk/gtktreeview.c:9399
        node_dy = <optimized out>
        path = <optimized out>
#6  gtk_tree_view_clamp_node_visible (tree_view=0x260e020, tree=0x0, node=0x0) at /build/buildd/gtk+3.0-3.4.0/./gtk/gtktreeview.c:9388
No locals.
#7  0x00007f64d2cb8bbf in gtk_tree_view_real_set_cursor (tree_view=0x260e020, path=0x272dfa0, flags=<optimized out>) at /build/buildd/gtk+3.0-3.4.0/./gtk/gtktreeview.c:13296
        new_tree = 0x0
        new_node = 0x0
#8  0x00007f64d2cbc7e4 in gtk_tree_view_button_press (widget=0x260e020, event=0x28ad6c0) at /build/buildd/gtk+3.0-3.4.0/./gtk/gtktreeview.c:3129
        focus_cell = <optimized out>
        pre_val = 0
        column_handled_click = 0
        path = 0x272dfa0
        y_offset = <optimized out>
        dval = <optimized out>
        rtl = 0
        extend_mod_mask = GDK_SHIFT_MASK
        modify_mod_mask = GDK_CONTROL_MASK
        node = 0x29d2c00
        tree = 0x29ef370
        depth = <optimized out>
        column = 0x253d980
        row_double_click = 0
        node_selected = 0
        tree_view = 0x260e020
        list = <optimized out>
        column = 0x0
        i = <optimized out>
        background_area = {x = 0, y = 26, width = 250, height = 26}
        cell_area = {x = 1, y = 26, width = 248, height = 26}
        vertical_separator = 0
        horizontal_separator = 2
        rtl = <optimized out>
#9  0x000000000041c6a4 in egg_tree_multi_drag_button_press_event (widget=0x260e020, event=0x28ad6c0, data=<optimized out>) at eggtreemultidnd.c:423
        call_parent = 1
        tree_view = 0x260e020
        path = 0x2a12970
        column = 0x253d980
        cell_x = 66
        cell_y = 5
        selection = 0x26048f0
        priv_data = 0x28ca0b0
#10 0x00007f64d2ba8ea8 in _gtk_marshal_BOOLEAN__BOXED (closure=0x2634010, return_value=0x7fffc9605740, n_param_values=<optimized out>, param_values=0x7fffc96057b0, invocation_hint=<optimized out>, marshal_data=<optimized out>) at /build/buildd/gtk+3.0-3.4.0/./gtk/gtkmarshalers.c:85
        callback = 0x41c550 <egg_tree_multi_drag_button_press_event>
        cc = 0x2634010
        data1 = 0x260e020
        data2 = <optimized out>
        v_return = <optimized out>
        __PRETTY_FUNCTION__ = "_gtk_marshal_BOOLEAN__BOXED"
#11 0x00007f64d1afac82 in g_closure_invoke (closure=0x2634010, return_value=0x7fffc9605740, n_param_values=2, param_values=0x7fffc96057b0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gclosure.c:777
        marshal = 0x7f64d2ba8e10 <_gtk_marshal_BOOLEAN__BOXED>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        real_closure = 0x2633ff0
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#12 0x00007f64d1b0bd51 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x7fffc9605980, instance_and_params=0x7fffc96057b0) at /build/buildd/glib2.0-2.32.0/./gobject/gsignal.c:3547
        tmp = <optimized out>
        handler = 0x2634230
        accumulator = 0x24b0f80
        emission = {next = 0x0, instance = 0x260e020, ihint = {signal_id = 32, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x24b0ec0
        hlist = 0x293ecf8
        handler_list = 0x2632400
        return_accu = 0x7fffc9605740
        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 = 32
        max_sequential_handler_number = 3756
        return_value_altered = 1
#13 0x00007f64d1b13d5e in g_signal_emit_valist (instance=0x260e020, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gsignal.c:3306
        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 = 0x7fffc96057b0
        signal_return_type = 20
        param_values = 0x7fffc96057c8
        node = 0x24b0f10
        i = <optimized out>
        n_params = 1
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#14 0x00007f64d1b14222 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gsignal.c:3352
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffc9605ac0, reg_save_area = 0x7fffc9605a00}}
#15 0x00007f64d2cd4459 in gtk_widget_event_internal (widget=0x260e020, event=0x28ad6c0) at /build/buildd/gtk+3.0-3.4.0/./gtk/gtkwidget.c:6380
        signal_num = <optimized out>
        return_val = 0
#16 0x00007f64d2ba6e4b in propagate_event_up (topmost=<optimized out>, event=<optimized out>, widget=0x260e020) at /build/buildd/gtk+3.0-3.4.0/./gtk/gtkmain.c:2404
        tmp = <optimized out>
        handled_event = <optimized out>
#17 propagate_event (widget=<optimized out>, event=0x28ad6c0, captured=<optimized out>, topmost=0x0) at /build/buildd/gtk+3.0-3.4.0/./gtk/gtkmain.c:2504
        handled_event = 0
        propagate_func = <optimized out>
#18 0x00007f64d2ba8b61 in gtk_main_do_event (event=0x28ad6c0) at /build/buildd/gtk+3.0-3.4.0/./gtk/gtkmain.c:1717
        event_widget = <optimized out>
        grab_widget = 0x260e020
        topmost_widget = <optimized out>
        window_group = <optimized out>
        rewritten_event = <optimized out>
        device = <optimized out>
        tmp_list = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_main_do_event"
#19 0x00007f64d27f8cb2 in gdk_event_source_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/gtk+3.0-3.4.0/./gdk/x11/gdkeventsource.c:358
        display = <optimized out>
        event = 0x28ad6c0
#20 0x00007f64d183dc9a in g_main_dispatch (context=0x24af210) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:2515
        dispatch = 0x7f64d27f8c90 <gdk_event_source_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0x24fd170, next = 0x0}
        need_destroy = <optimized out>
        source = 0x24fd170
        current = 0x25d5d50
        i = <optimized out>
#21 g_main_context_dispatch (context=0x24af210) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3052
No locals.
#22 0x00007f64d183e060 in g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x24af210, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3123
        timeout = 433
        some_ready = 1
        fds = <optimized out>
        max_priority = 2147483647
        nfds = 4
        allocated_nfds = <optimized out>
#23 g_main_context_iterate (context=0x24af210, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3060
        some_ready = 1
#24 0x00007f64d183e45a in g_main_loop_run (loop=0x249d570) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#25 0x00007f64d2ba7ecd in gtk_main () at /build/buildd/gtk+3.0-3.4.0/./gtk/gtkmain.c:1165
        loop = 0x249d570
#26 0x00000000004113d9 in main (argc=1, argv=0x7fffc9605dc8) at main.c:322
        context = 0x2498920
        error = 0x0
        client = <optimized out>