Thread 1 "ArdourGUI" received signal SIGINT, Interrupt.
0x00007ffff358d46f in poll () from /usr/lib/libc.so.6
(gdb) bt
#0  0x00007ffff358d46f in poll () at /usr/lib/libc.so.6
#1  0x00007ffff30f463b in  () at /usr/lib/libxcb.so.1
#2  0x00007ffff30f608f in  () at /usr/lib/libxcb.so.1
#3  0x00007ffff30f6203 in xcb_wait_for_reply64 () at /usr/lib/libxcb.so.1
#4  0x00007ffff39e16e9 in _XReply () at /usr/lib/libX11.so.6
#5  0x00007ffff39dcfad in XSync () at /usr/lib/libX11.so.6
#6  0x00007ffff519dbac in  () at /usr/lib/libgtk-x11-2.0.so.0
#7  0x00007ffff506c979 in  () at /usr/lib/libgtk-x11-2.0.so.0
#8  0x00007ffff5474f85 in g_closure_invoke () at /usr/lib/libgobject-2.0.so.0
#9  0x00007ffff549d63c in  () at /usr/lib/libgobject-2.0.so.0
#10 0x00007ffff549159d in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0
#11 0x00007ffff5491b00 in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#12 0x00007ffff5123574 in gtk_widget_size_allocate () at /usr/lib/libgtk-x11-2.0.so.0
#13 0x00007ffff4f427e4 in  () at /usr/lib/libgtk-x11-2.0.so.0
#14 0x00007ffff4795cce in Gtk::Widget_Class::size_allocate_callback(_GtkWidget*, _GdkRectangle*) () at /usr/lib/libgtkmm-2.4.so.1
#15 0x00007ffff5474f85 in g_closure_invoke () at /usr/lib/libgobject-2.0.so.0
#16 0x00007ffff549d63c in  () at /usr/lib/libgobject-2.0.so.0
#17 0x00007ffff549159d in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0
#18 0x00007ffff5491b00 in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#19 0x00007ffff5123574 in gtk_widget_size_allocate () at /usr/lib/libgtk-x11-2.0.so.0
#20 0x00007ffff512c04b in  () at /usr/lib/libgtk-x11-2.0.so.0
#21 0x00007ffff4795cce in Gtk::Widget_Class::size_allocate_callback(_GtkWidget*, _GdkRectangle*) () at /usr/lib/libgtkmm-2.4.so.1
#22 0x00007ffff5475052 in g_closure_invoke () at /usr/lib/libgobject-2.0.so.0
#23 0x00007ffff549d63c in  () at /usr/lib/libgobject-2.0.so.0
#24 0x00007ffff549159d in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0
#25 0x00007ffff5491b00 in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#26 0x00007ffff5123574 in gtk_widget_size_allocate () at /usr/lib/libgtk-x11-2.0.so.0
#27 0x00007ffff512e31d in  () at /usr/lib/libgtk-x11-2.0.so.0
#28 0x00007ffff470ab6f in Gtk::Container_Class::check_resize_callback(_GtkContainer*) () at /usr/lib/libgtkmm-2.4.so.1
#29 0x00007ffff5475052 in g_closure_invoke () at /usr/lib/libgobject-2.0.so.0
#30 0x00007ffff549d3f0 in  () at /usr/lib/libgobject-2.0.so.0
#31 0x00007ffff549159d in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0
#32 0x00007ffff5491b00 in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#33 0x00007ffff4f78381 in  () at /usr/lib/libgtk-x11-2.0.so.0
#34 0x00007ffff4e23257 in  () at /usr/lib/libgdk-x11-2.0.so.0
#35 0x00007ffff5380a84 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#36 0x00007ffff53d49b1 in  () at /usr/lib/libglib-2.0.so.0
#37 0x00007ffff537ffd3 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#38 0x00007ffff4ff795e in gtk_main () at /usr/lib/libgtk-x11-2.0.so.0
#39 0x00007ffff59aab91 in Gtkmm2ext::UI::run(Receiver&) (this=0x5555573a2ff0, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:310
#40 0x00005555561b11b1 in main(int, char**) (argc=1, argv=0x7fffffffcda8) at ../gtk2_ardour/main.cc:410