(gdb) cont
Continuing.
Program received signal SIGSEGV, Segmentation fault.
0x00007fc2cd680fbb in g_type_class_meta_marshal () from /lib64/libgobject-2.0.so.0
(gdb) bt
#0 0x00007fc2cd680fbb in g_type_class_meta_marshal () at /lib64/libgobject-2.0.so.0
#1 0x00007fc2cd682a68 in g_closure_invoke () at /lib64/libgobject-2.0.so.0
#2 0x00007fc2cd694977 in signal_emit_unlocked_R () at /lib64/libgobject-2.0.so.0
#3 0x00007fc2cd69d0e1 in g_signal_emit_valist () at /lib64/libgobject-2.0.so.0
#4 0x00007fc2cd69d3cf in g_signal_emit () at /lib64/libgobject-2.0.so.0
#5 0x00007fc2c498d066 in gtk_style_context_do_invalidate () at /lib64/libgtk-3.so.0
#6 0x00007fc2c498f50a in gtk_style_context_invalidate () at /lib64/libgtk-3.so.0
#7 0x00007fc2c499091c in gtk_style_context_finalize () at /lib64/libgtk-3.so.0
#8 0x00007fc2cd687ad4 in g_object_unref () at /lib64/libgobject-2.0.so.0
#9 0x0000000000781b83 in ()
#10 0x00007fc2cd687ad4 in g_object_unref () at /lib64/libgobject-2.0.so.0
#11 0x00007fc2c484e390 in gtk_container_destroy () at /lib64/libgtk-3.so.0
#12 0x00007fc2cd6829e2 in g_closure_invoke () at /lib64/libgobject-2.0.so.0
#13 0x00007fc2cd6954c4 in signal_emit_unlocked_R () at /lib64/libgobject-2.0.so.0
#14 0x00007fc2cd69d0e1 in g_signal_emit_valist () at /lib64/libgobject-2.0.so.0
#15 0x00007fc2cd69d3cf in g_signal_emit () at /lib64/libgobject-2.0.so.0
#16 0x00007fc2c4a36688 in gtk_widget_dispose () at /lib64/libgtk-3.so.0
#17 0x00007fc2cd689549 in g_object_run_dispose () at /lib64/libgobject-2.0.so.0
#18 0x00007fc2c49170fd in gtk_menu_shell_forall () at /lib64/libgtk-3.so.0
#19 0x00007fc2c484e390 in gtk_container_destroy () at /lib64/libgtk-3.so.0
#20 0x00007fc2cd6829e2 in g_closure_invoke () at /lib64/libgobject-2.0.so.0
#21 0x00007fc2cd6954c4 in signal_emit_unlocked_R () at /lib64/libgobject-2.0.so.0
#22 0x00007fc2cd69d0e1 in g_signal_emit_valist () at /lib64/libgobject-2.0.so.0
#23 0x00007fc2cd69d3cf in g_signal_emit () at /lib64/libgobject-2.0.so.0
#24 0x00007fc2c4a36688 in gtk_widget_dispose () at /lib64/libgtk-3.so.0
#25 0x00007fc2cd689549 in g_object_run_dispose () at /lib64/libgobject-2.0.so.0
#26 0x00007fc2c4a3edc9 in gtk_window_forall () at /lib64/libgtk-3.so.0
#27 0x00007fc2c484e390 in gtk_container_destroy () at /lib64/libgtk-3.so.0
#28 0x00007fc2cd682a68 in g_closure_invoke () at /lib64/libgobject-2.0.so.0
#29 0x00007fc2cd6954c4 in signal_emit_unlocked_R () at /lib64/libgobject-2.0.so.0
#30 0x00007fc2cd69d0e1 in g_signal_emit_valist () at /lib64/libgobject-2.0.so.0
#31 0x00007fc2cd69d3cf in g_signal_emit () at /lib64/libgobject-2.0.so.0
#32 0x00007fc2c4a36688 in gtk_widget_dispose () at /lib64/libgtk-3.so.0
#33 0x00007fc2c4a457eb in gtk_window_dispose () at /lib64/libgtk-3.so.0
#34 0x00007fc2cd689549 in g_object_run_dispose () at /lib64/libgobject-2.0.so.0
#35 0x0000000000764520 in ()
#36 0x0000000000764580 in ()
#37 0x00007fc2cd3a5cc7 in g_idle_dispatch () at /lib64/libglib-2.0.so.0
#38 0x00007fc2cd3a9099 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#39 0x00007fc2cd3a93f8 in g_main_context_iterate.isra.19 () at /lib64/libglib-2.0.so.0
#40 0x00007fc2cd3a96ca in g_main_loop_run () at /lib64/libglib-2.0.so.0
#41 0x00007fc2c48f9045 in gtk_main () at /lib64/libgtk-3.so.0
#42 0x000000000076a8ab in ()
#43 0x00000000005aed15 in ()
#44 0x00007fc2cc4f1b35 in __libc_start_main (main=
0x5ab687, argc=2, ubp_av=0x7ffd0ccf2118, init=, fini=, rtld_fini=, stack_end=0x7ffd0ccf2108) at …/csu/libc-start.c:274
#45 0x00000000004d402a in ()
(gdb)
That is the backtrace right after the SEGV, let me know if you need anything else!