.
Thread 3 (Thread 0x7effab118700 (LWP 6867)):
#0  0x00007effb341c9e3 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  0x00007effb3c3fe84 in g_main_context_poll (n_fds=3, fds=0x7eff9c0010c0, timeout=-1, context=0x7effa400eb70, priority=<optimized out>) at /build/buildd/glib2.0-2.33.14/./glib/gmain.c:3584
        poll_func = 0x7effb3c4df70 <g_poll>
#2  g_main_context_iterate (context=0x7effa400eb70, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.14/./glib/gmain.c:3285
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 3
        allocated_nfds = <optimized out>
        fds = 0x7eff9c0010c0
#3  0x00007effb3c402e2 in g_main_loop_run (loop=0x7effa400eb00) at /build/buildd/glib2.0-2.33.14/./glib/gmain.c:3484
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007effb1f737b6 in gdbus_shared_thread_func (user_data=0x7effa400eb40) at /build/buildd/glib2.0-2.33.14/./gio/gdbusprivate.c:277
        data = 0x7effa400eb40
#5  0x00007effb3c63985 in g_thread_proxy (data=0x7effa400c140) at /build/buildd/glib2.0-2.33.14/./glib/gthread.c:797
        thread = 0x7effa400c140
#6  0x00007effb4984e9a in start_thread (arg=0x7effab118700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7effab118700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -4653881921004265896, 139636560202032, 139636551813568, 0, 3, 4797812644638465624, 4797879775457549912}, 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"
#7  0x00007effb342839d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7effab919700 (LWP 6866)):
#0  0x00007effb341c9e3 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  0x00007effb3c3fe84 in g_main_context_poll (n_fds=1, fds=0x7effa40010e0, timeout=-1, context=0x7effb510cb60, priority=<optimized out>) at /build/buildd/glib2.0-2.33.14/./glib/gmain.c:3584
        poll_func = 0x7effb3c4df70 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x7effb510cb60, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.14/./glib/gmain.c:3285
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x7effa40010e0
#3  0x00007effb3c3ffa4 in g_main_context_iteration (context=context@entry=0x7effb510cb60, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.33.14/./glib/gmain.c:3351
        retval = <optimized out>
#4  0x00007effab92035d in dconf_gdbus_worker_thread (user_data=0x7effb510cb60) at dconf-gdbus-thread.c:81
        context = 0x7effb510cb60
#5  0x00007effb3c63985 in g_thread_proxy (data=0x7effb5101e30) at /build/buildd/glib2.0-2.33.14/./glib/gthread.c:797
        thread = 0x7effb5101e30
#6  0x00007effb4984e9a in start_thread (arg=0x7effab919700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7effab919700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -4653881921004265896, 140736817396496, 139636560206272, 0, 3, 4797811552106159704, 4797879775457549912}, 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"
#7  0x00007effb342839d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7effae044940 (LWP 6862)):
#0  0x00007effb42e3c7b in real_queue_resize (widget=0x7fffd801dda0) at /build/buildd/gtk+2.0-2.24.13/gtk/gtksizegroup.c:160
        __inst = 0x7fffd801dda0
        __t = 0
        __r = <optimized out>
#1  real_queue_resize (widget=0x7fffd801dda0) at /build/buildd/gtk+2.0-2.24.13/gtk/gtksizegroup.c:153
No locals.
#2  0x00007eff9c005d10 in ?? ()
No symbol table info available.
#3  0x00007fffd801de10 in ?? ()
No symbol table info available.
#4  0x00007effb42d9d3f in gtk_scrolled_window_paint (area=0x14, widget=0x1) at /build/buildd/gtk+2.0-2.24.13/gtk/gtkscrolledwindow.c:1052
        relative_allocation = {x = -670965136, y = 32767, width = 127, height = 0}
        scrollbars_within_bevel = 32511
        scrolled_window = 0x1
#5  gtk_scrolled_window_expose (event=0x0, widget=0x1) at /build/buildd/gtk+2.0-2.24.13/gtk/gtkscrolledwindow.c:1068
No locals.
#6  gtk_scrolled_window_expose (widget=0x1, event=0x0) at /build/buildd/gtk+2.0-2.24.13/gtk/gtkscrolledwindow.c:1063
No locals.
#7  0x000001b800000000 in ?? ()
No symbol table info available.
#8  0x0000000100000001 in ?? ()
No symbol table info available.
#9  0x0000006e0000018c in ?? ()
No symbol table info available.
#10 0x0000009600000024 in ?? ()
No symbol table info available.
#11 0x0000001d00000055 in ?? ()
No symbol table info available.
#12 0x3ff0000000000000 in ?? ()
No symbol table info available.
#13 0x00007fffd801e270 in ?? ()
No symbol table info available.
#14 0x00007effb50f6c80 in ?? ()
No symbol table info available.
#15 0x00007effb50f6cf0 in ?? ()
No symbol table info available.
#16 0x00007eff9c005d10 in ?? ()
No symbol table info available.
#17 0x0000000000000001 in ?? ()
No symbol table info available.
#18 0x00007effb50f6cf0 in ?? ()
No symbol table info available.
#19 0x00007effb3f0257e in g_cclosure_marshal_VOID__BOXEDv (closure=0x5b00000000, return_value=<optimized out>, instance=0x7eff9c005da0, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x7effb50f6cf0) at /build/buildd/glib2.0-2.33.14/./gobject/gmarshal.c:1160
        cc = 0x5b00000000
        data1 = <optimized out>
        data2 = <optimized out>
        callback = <optimized out>
        arg0 = 0x1b41c18fd
        args_copy = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffd801e270, reg_save_area = 0x7fffd801e1b0}}
#20 0x00007effb3eff4fb in _g_closure_invoke_va (closure=0x7effb50f6c80, return_value=0x0, instance=0x7eff9c005d10, args=0x7fffd801e198, n_params=1, param_types=0x1) at /build/buildd/glib2.0-2.33.14/./gobject/gclosure.c:840
        marshal = 0x7effb3efd960 <g_type_class_meta_marshalv>
        marshal_data = 0xf8
        in_marshal = 1
        real_closure = 0x7effb50f6c60
        __PRETTY_FUNCTION__ = "_g_closure_invoke_va"
#21 0x00007effb3f19118 in g_signal_emit_valist (instance=0x7eff9c005d10, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffd801e198) at /build/buildd/glib2.0-2.33.14/./gobject/gsignal.c:3211
        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 = 0x7fffd801e530, instance = 0x7eff9c005d10, ihint = {signal_id = 19, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 139636719751856}
        signal_id = <optimized out>
        instance_type = <optimized out>
        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 = 0x7effb50f6c80
        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 = 0x7effb50f6d10
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#22 0x00007effb3f19852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.33.14/./gobject/gsignal.c:3356
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fffd801e270, reg_save_area = 0x7fffd801e1b0}}
#23 0x00007effb43940d8 in gtk_widget_set_uposition (widget=0x7eff9c005d10, x=1, y=1) at /build/buildd/gtk+2.0-2.24.13/gtk/gtkwidget.c:7900
        __inst = 0x7eff9c005d10
        __t = 0
        __r = <optimized out>
        _g_boolean_var_ = <optimized out>
        aux_info = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_widget_set_uposition"
#24 0x0000000000000005 in ?? ()
No symbol table info available.
#25 0x00007effb510c300 in ?? ()
No symbol table info available.
#26 0x00007effb519b640 in ?? ()
No symbol table info available.
#27 0x00007effb513c180 in ?? ()
No symbol table info available.
#28 0x00007effb41c4fba in gtk_box_size_allocate (widget=0xffffffffffffffff, allocation=0x7fffd801e750) at /build/buildd/gtk+2.0-2.24.13/gtk/gtkbox.c:412
        box = 0xffffffffffffffff
        private = 0x7effb510c380
        child = 0x7eff9c005d10
        children = 0x100000001
        child_allocation = {x = 36, y = 185, width = 398, height = 112}
        nvis_children = 398
        nexpand_children = 0
        child_width = <optimized out>
        child_height = <optimized out>
        width = 0
        height = 0
        extra = <optimized out>
        x = 91
        y = 185
        direction = GTK_TEXT_DIR_LTR
#29 0x00007effb3f0257e in g_cclosure_marshal_VOID__BOXEDv (closure=0x7effb50f6c80, return_value=<optimized out>, instance=0x7effb510c300, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x7effb50f6cf0) at /build/buildd/glib2.0-2.33.14/./gobject/gmarshal.c:1160
        cc = 0x7effb50f6c80
        data1 = <optimized out>
        data2 = <optimized out>
        callback = <optimized out>
        arg0 = 0x7fffd801e750
        args_copy = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffd801e750, reg_save_area = 0x7fffd801e690}}
#30 0x00007effb3eff4fb in _g_closure_invoke_va (closure=0x7effb50f6c80, return_value=0x0, instance=0x7effb510c300, args=0x7fffd801e678, n_params=1, param_types=0x7effb50f6cf0) at /build/buildd/glib2.0-2.33.14/./gobject/gclosure.c:840
        marshal = 0x7effb3efd960 <g_type_class_meta_marshalv>
        marshal_data = 0xf8
        in_marshal = 1
        real_closure = 0x7effb50f6c60
        __PRETTY_FUNCTION__ = "_g_closure_invoke_va"
#31 0x00007effb3f19118 in g_signal_emit_valist (instance=0x7effb510c300, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffd801e678) at /build/buildd/glib2.0-2.33.14/./gobject/gsignal.c:3211
        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 = 0x7fffd801ea10, instance = 0x7effb510c300, ihint = {signal_id = 19, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 139636719665776}
        signal_id = <optimized out>
        instance_type = <optimized out>
        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 = 0x7effb50f6c80
        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 = 0x7effb50f6d10
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#32 0x00007effb3f19852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.33.14/./gobject/gsignal.c:3356
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fffd801e750, reg_save_area = 0x7fffd801e690}}
#33 0x00007effb43940d8 in gtk_widget_set_uposition (widget=0x7effb510c300, x=1, y=1) at /build/buildd/gtk+2.0-2.24.13/gtk/gtkwidget.c:7900
        __inst = 0x7effb510c300
        __t = 0
        __r = <optimized out>
        _g_boolean_var_ = <optimized out>
        aux_info = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_widget_set_uposition"
#34 0x0000000000000002 in ?? ()
No symbol table info available.
#35 0x00007effb510c270 in ?? ()
No symbol table info available.
#36 0x0000000000000000 in ?? ()
No symbol table info available.