Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f40c5b320f7 in XGetXCBConnection () from /usr/lib/libX11-xcb.so.1
[Current thread is 1 (Thread 0x7f40c55c3980 (LWP 75875))]
(gdb) bt
#0  0x00007f40c5b320f7 in XGetXCBConnection () at /usr/lib/libX11-xcb.so.1
#1  0x00007f40c6313293 in sn_display_new () at /usr/lib/libstartup-notification-1.so.0
#2  0x00007f40c76affe9 in xfce_spawn_on_screen_with_child_watch () at /usr/lib/libxfce4ui-2.so.0
#3  0x00007f40be0b0210 in  () at /usr/lib/thunarx-3/thunar-uca.so
#4  0x00007f40c6a6961a in g_closure_invoke () at /usr/lib/libgobject-2.0.so.0
#5  0x00007f40c6a4a97e in  () at /usr/lib/libgobject-2.0.so.0
#6  0x00007f40c6a4dab9 in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0
#7  0x00007f40c6a4f6b0 in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#8  0x00007f40c6a6961a in g_closure_invoke () at /usr/lib/libgobject-2.0.so.0
#9  0x00007f40c6a4a97e in  () at /usr/lib/libgobject-2.0.so.0
#10 0x00007f40c6a4dab9 in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0
#11 0x00007f40c6a4f6b0 in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#12 0x00007f40c702169f in  () at /usr/lib/libgtk-3.so.0
#13 0x00007f40c7024a01 in  () at /usr/lib/libgtk-3.so.0
#14 0x00007f40c6a6961a in g_closure_invoke () at /usr/lib/libgobject-2.0.so.0
#15 0x00007f40c6a4a97e in  () at /usr/lib/libgobject-2.0.so.0
#16 0x00007f40c6a4d5cc in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0
#17 0x00007f40c6a4f6b0 in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#18 0x00007f40c72e5ef1 in gtk_accel_group_activate () at /usr/lib/libgtk-3.so.0
#19 0x00007f40c72e604e in gtk_accel_groups_activate () at /usr/lib/libgtk-3.so.0
#20 0x00007f40c7046f00 in gtk_window_activate_key () at /usr/lib/libgtk-3.so.0
#21 0x00007f40c704c013 in  () at /usr/lib/libgtk-3.so.0
#22 0x00007f40c72fddbc in  () at /usr/lib/libgtk-3.so.0
#23 0x00007f40c6a4e0a0 in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0
#24 0x00007f40c6a4f6b0 in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#25 0x00007f40c7066c26 in  () at /usr/lib/libgtk-3.so.0
#26 0x00007f40c71ad14a in  () at /usr/lib/libgtk-3.so.0
#27 0x00007f40c71b061c in gtk_main_do_event () at /usr/lib/libgtk-3.so.0
#28 0x00007f40c6ec1234 in  () at /usr/lib/libgdk-3.so.0
#29 0x00007f40c6e906f4 in  () at /usr/lib/libgdk-3.so.0
#30 0x00007f40c696e6be in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#31 0x00007f40c6970531 in  () at /usr/lib/libglib-2.0.so.0
#32 0x00007f40c6970571 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#33 0x00007f40c6b273fe in g_application_run () at /usr/lib/libgio-2.0.so.0
#34 0x000055e684e640e0 in  ()
#35 0x00007f40c6762023 in __libc_start_main () at /usr/lib/libc.so.6
#36 0x000055e684e6420e in  ()