Breakpoint 1, gtk_widget_queue_resize_on_widget (widget=0x638500)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtkwidget.c:16308
16308	{
(gdb) bt
#0  gtk_widget_queue_resize_on_widget (widget=0x638500)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtkwidget.c:16308
#1  0x00007ffff78425d0 in gtk_widget_queue_resize_internal (widget=<optimized out>)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtkwidget.c:5692
#2  0x00007ffff763f29a in gtk_css_gadget_queue_resize (gadget=<optimized out>)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtkcssgadget.c:947
#3  0x00007ffff7756b6c in gtk_range_calc_slider (range=range@entry=0x6268e0)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtkrange.c:3648
#4  0x00007ffff7756c5c in gtk_range_adjustment_changed (adjustment=<optimized out>, 
    data=0x6268e0) at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtkrange.c:3195
#5  0x00007ffff5e25775 in g_closure_invoke (closure=0x74c340, 
    return_value=return_value@entry=0x0, n_param_values=1, 
    param_values=param_values@entry=0x7fffffffc070, 
    invocation_hint=invocation_hint@entry=0x7fffffffc010)
    at /home/peter/jhbuild/checkout/glib/gobject/gclosure.c:804
#6  0x00007ffff5e38152 in signal_emit_unlocked_R (node=node@entry=0x701cc0, 
    detail=detail@entry=0, instance=instance@entry=0x67ca40, 
    emission_return=emission_return@entry=0x0, 
    instance_and_params=instance_and_params@entry=0x7fffffffc070)
    at /home/peter/jhbuild/checkout/glib/gobject/gsignal.c:3635
#7  0x00007ffff5e40fa1 in g_signal_emit_valist (instance=<optimized out>, 
    signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fffffffc1f8)
    at /home/peter/jhbuild/checkout/glib/gobject/gsignal.c:3391
#8  0x00007ffff5e413b2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, 
    detail=<optimized out>) at /home/peter/jhbuild/checkout/glib/gobject/gsignal.c:3447
#9  0x00007ffff5e293f6 in g_object_notify_queue_thaw (object=object@entry=0x67ca40, 
    nqueue=nqueue@entry=0x753bc0) at /home/peter/jhbuild/checkout/glib/gobject/gobject.c:296
#10 0x00007ffff5e2d381 in g_object_set_valist (object=object@entry=0x67ca40, 
    first_property_name=first_property_name@entry=0x7ffff7899a9f "upper", 
    var_args=var_args@entry=0x7fffffffc478)
    at /home/peter/jhbuild/checkout/glib/gobject/gobject.c:2290
#11 0x00007ffff5e2de2f in g_object_set (_object=0x67ca40, 
    first_property_name=first_property_name@entry=0x7ffff7899a9f "upper")
    at /home/peter/jhbuild/checkout/glib/gobject/gobject.c:2449
#12 0x00007ffff75d5db9 in gtk_adjustment_set_upper (adjustment=<optimized out>, 
    upper=6.9533558070958821e-310) at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtkadjustment.c:669
#13 0x00007ffff7820c0c in do_validate_rows (tree_view=0x8e2400, queue_resize=0)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtktreeview.c:7023
#14 0x00007ffff7820f51 in gtk_tree_view_get_preferred_width (widget=0x8e2400, 
    minimum=0x7fffffffc690, natural=0x7fffffffc694)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtktreeview.c:2637
#15 0x00007ffff7791664 in gtk_widget_query_size_for_orientation (widget=widget@entry=0x8e2400, 
    orientation=orientation@entry=GTK_ORIENTATION_HORIZONTAL, for_size=for_size@entry=-1, 
    minimum_size=minimum_size@entry=0x7fffffffc7e8, 
    natural_size=natural_size@entry=0x7fffffffc7ec, minimum_baseline=minimum_baseline@entry=0x0, 
    natural_baseline=0x0) at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtksizerequest.c:181
#16 0x00007ffff77918a5 in gtk_widget_compute_size_for_orientation (widget=widget@entry=0x8e2400, 
    orientation=orientation@entry=GTK_ORIENTATION_HORIZONTAL, for_size=for_size@entry=-1, 
    minimum=minimum@entry=0x7fffffffc7e8, natural=natural@entry=0x7fffffffc7ec, 
    minimum_baseline=minimum_baseline@entry=0x0, natural_baseline=0x0)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtksizerequest.c:399
#17 0x00007ffff7791947 in gtk_widget_get_preferred_width (widget=widget@entry=0x8e2400, 
    minimum_width=minimum_width@entry=0x7fffffffc7e8, 
    natural_width=natural_width@entry=0x7fffffffc7ec)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtksizerequest.c:492
#18 0x00007ffff777bf5a in gtk_scrolled_window_measure (gadget=<optimized out>, 
    orientation=GTK_ORIENTATION_HORIZONTAL, for_size=<optimized out>, 
    minimum_size=0x7fffffffc9a0, natural_size=0x7fffffffc9a4, minimum_baseline=<optimized out>, 
    natural_baseline=0x0, data=0x0)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtkscrolledwindow.c:1826
#19 0x00007ffff763aa43 in gtk_css_custom_gadget_get_preferred_size (gadget=<optimized out>, 
    orientation=<optimized out>, for_size=<optimized out>, minimum=<optimized out>, 
    natural=<optimized out>, minimum_baseline=<optimized out>, natural_baseline=0x0)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtkcsscustomgadget.c:124
#20 0x00007ffff763ebb1 in gtk_css_gadget_get_preferred_size (gadget=0x6b19e0, 
    orientation=orientation@entry=GTK_ORIENTATION_HORIZONTAL, for_size=for_size@entry=-1, 
    minimum=0x7fffffffc9a0, natural=0x7fffffffc9a4, minimum_baseline=minimum_baseline@entry=0x0, 
    natural_baseline=0x0) at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtkcssgadget.c:675
#21 0x00007ffff77784f3 in gtk_scrolled_window_get_preferred_width (widget=<optimized out>, 
    minimum_size=<optimized out>, natural_size=<optimized out>)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtkscrolledwindow.c:4052
#22 0x00007ffff7791664 in gtk_widget_query_size_for_orientation (widget=widget@entry=0x850530, 
    orientation=orientation@entry=GTK_ORIENTATION_HORIZONTAL, for_size=for_size@entry=-1, 
    minimum_size=minimum_size@entry=0x7fffffffcb08, 
    natural_size=natural_size@entry=0x7fffffffcb0c, minimum_baseline=minimum_baseline@entry=0x0, 
    natural_baseline=0x0) at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtksizerequest.c:181
#23 0x00007ffff77918a5 in gtk_widget_compute_size_for_orientation (widget=widget@entry=0x850530, 
    orientation=orientation@entry=GTK_ORIENTATION_HORIZONTAL, for_size=for_size@entry=-1, 
    minimum=minimum@entry=0x7fffffffcb08, natural=natural@entry=0x7fffffffcb0c, 
    minimum_baseline=minimum_baseline@entry=0x0, natural_baseline=0x0)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtksizerequest.c:399
#24 0x00007ffff7791947 in gtk_widget_get_preferred_width (widget=widget@entry=0x850530, 
    minimum_width=minimum_width@entry=0x7fffffffcb08, 
    natural_width=natural_width@entry=0x7fffffffcb0c)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtksizerequest.c:492
#25 0x00007ffff7850742 in gtk_window_get_preferred_width (widget=0x638500, 
    minimum_size=0x7fffffffcbb0, natural_size=0x7fffffffcbb4)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtkwindow.c:8586
#26 0x00007ffff7791664 in gtk_widget_query_size_for_orientation (widget=widget@entry=0x638500, 
    orientation=orientation@entry=GTK_ORIENTATION_HORIZONTAL, for_size=-1, for_size@entry=160, 
    minimum_size=minimum_size@entry=0x7fffffffcdb0, natural_size=natural_size@entry=0x0, 
    minimum_baseline=minimum_baseline@entry=0x0, natural_baseline=0x0)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtksizerequest.c:181
#27 0x00007ffff77918a5 in gtk_widget_compute_size_for_orientation (widget=widget@entry=0x638500, 
    orientation=orientation@entry=GTK_ORIENTATION_HORIZONTAL, for_size=for_size@entry=160, 
    minimum=minimum@entry=0x7fffffffcdb0, natural=natural@entry=0x0, 
    minimum_baseline=minimum_baseline@entry=0x0, natural_baseline=0x0)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtksizerequest.c:399
#28 0x00007ffff77919e2 in gtk_widget_get_preferred_width_for_height (
    widget=widget@entry=0x638500, height=160, minimum_width=minimum_width@entry=0x7fffffffcdb0, 
    natural_width=natural_width@entry=0x0)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtksizerequest.c:565
#29 0x00007ffff7791c34 in _gtk_widget_get_preferred_size_and_baseline (
    widget=widget@entry=0x638500, minimum_size=minimum_size@entry=0x7fffffffcdb0, 
    natural_size=natural_size@entry=0x0, minimum_baseline=minimum_baseline@entry=0x0, 
    natural_baseline=natural_baseline@entry=0x0)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtksizerequest.c:708
#30 0x00007ffff7791cda in gtk_widget_get_preferred_size (widget=widget@entry=0x638500, 
    minimum_size=minimum_size@entry=0x7fffffffcdb0, natural_size=natural_size@entry=0x0)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtksizerequest.c:750
#31 0x00007ffff7851fff in gtk_window_compute_hints (new_flags=<synthetic pointer>, 
    new_geometry=0x7fffffffcdc0, window=0x638500)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtkwindow.c:10025
#32 gtk_window_compute_configure_request (window=window@entry=0x638500, 
    request=request@entry=0x7fffffffcea0, geometry=geometry@entry=0x7fffffffcec0, 
    flags=flags@entry=0x7fffffffce98) at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtkwindow.c:9341
#33 0x00007ffff7852a2b in gtk_window_move_resize (window=0x638500)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtkwindow.c:9550
#34 gtk_window_check_resize (container=0x638500)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtkwindow.c:8325
#35 0x00007ffff5e259a4 in _g_closure_invoke_va (closure=closure@entry=0x65c2b0, 
    return_value=return_value@entry=0x0, instance=instance@entry=0x638500, 
    args=args@entry=0x7fffffffd128, n_params=<optimized out>, param_types=0x0)
    at /home/peter/jhbuild/checkout/glib/gobject/gclosure.c:867
#36 0x00007ffff5e40c8c in g_signal_emit_valist (instance=0x638500, signal_id=<optimized out>, 
    detail=0, var_args=var_args@entry=0x7fffffffd128)
    at /home/peter/jhbuild/checkout/glib/gobject/gsignal.c:3300
#37 0x00007ffff5e413b2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, 
    detail=<optimized out>) at /home/peter/jhbuild/checkout/glib/gobject/gsignal.c:3447
#38 0x00007ffff7634198 in gtk_container_idle_sizer (clock=0x663200, container=0x638500)
    at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtkcontainer.c:2064
#39 0x00007ffff5e25775 in g_closure_invoke (closure=0x7f7d60, 
    return_value=return_value@entry=0x0, n_param_values=1, 
    param_values=param_values@entry=0x7fffffffd3d0, 
    invocation_hint=invocation_hint@entry=0x7fffffffd370)
    at /home/peter/jhbuild/checkout/glib/gobject/gclosure.c:804
#40 0x00007ffff5e38152 in signal_emit_unlocked_R (node=node@entry=0x645af0, 
    detail=detail@entry=0, instance=instance@entry=0x663200, 
    emission_return=emission_return@entry=0x0, 
    instance_and_params=instance_and_params@entry=0x7fffffffd3d0)
    at /home/peter/jhbuild/checkout/glib/gobject/gsignal.c:3635
#41 0x00007ffff5e40fa1 in g_signal_emit_valist (instance=<optimized out>, 
    signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fffffffd558)
    at /home/peter/jhbuild/checkout/glib/gobject/gsignal.c:3391
#42 0x00007ffff5e413b2 in g_signal_emit (instance=instance@entry=0x663200, 
    signal_id=<optimized out>, detail=detail@entry=0)
    at /home/peter/jhbuild/checkout/glib/gobject/gsignal.c:3447
#43 0x00007ffff721aedf in _gdk_frame_clock_emit_layout (frame_clock=frame_clock@entry=0x663200)
    at /home/peter/jhbuild/checkout/gtk+-3/gdk/gdkframeclock.c:634
#44 0x00007ffff721b4b3 in gdk_frame_clock_paint_idle (data=0x663200)
    at /home/peter/jhbuild/checkout/gtk+-3/gdk/gdkframeclockidle.c:408
#45 0x00007ffff7206d08 in gdk_threads_dispatch (data=0x767a40, 
    data@entry=<error reading variable: value has been optimized out>)
    at /home/peter/jhbuild/checkout/gtk+-3/gdk/gdk.c:743
#46 0x00007ffff5b4d093 in g_timeout_dispatch (source=0x86dc90, callback=<optimized out>, 
    user_data=<optimized out>) at /home/peter/jhbuild/checkout/glib/glib/gmain.c:4715
#47 0x00007ffff5b4c65a in g_main_dispatch (context=0x618070)
    at /home/peter/jhbuild/checkout/glib/glib/gmain.c:3234
#48 g_main_context_dispatch (context=context@entry=0x618070)
    at /home/peter/jhbuild/checkout/glib/glib/gmain.c:3899
#49 0x00007ffff5b4c9d8 in g_main_context_iterate (context=0x618070, block=block@entry=1, 
    dispatch=dispatch@entry=1, self=<optimized out>)
    at /home/peter/jhbuild/checkout/glib/glib/gmain.c:3972
#50 0x00007ffff5b4ccf2 in g_main_loop_run (loop=0x6bc620)
    at /home/peter/jhbuild/checkout/glib/glib/gmain.c:4168
#51 0x00007ffff76f3d85 in gtk_main () at /home/peter/jhbuild/checkout/gtk+-3/gtk/gtkmain.c:1312
#52 0x0000000000400ff6 in main ()
