Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1208314192 (LWP 17320)]
0x009785be in g_slice_set_config () from /usr/lib/libglib-2.0.so.0
(gdb) thread apply all backtrace

Thread 2 (Thread -1237034080 (LWP 17324)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0x0087ccac in poll () from /lib/libc.so.6
#2  0x00965363 in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#3  0x009656d9 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#4  0x04850ba0 in link_set_io_thread () from /usr/lib/libORBit-2.so.0
#5  0x0097f8ef in g_thread_create_full () from /usr/lib/libglib-2.0.so.0
#6  0x00bc63b6 in start_thread () from /lib/libpthread.so.0
#7  0x0088633e in clone () from /lib/libc.so.6

Thread 1 (Thread -1208314192 (LWP 17320)):
#0  0x009785be in g_slice_set_config () from /usr/lib/libglib-2.0.so.0
#1  0x009788e5 in g_slice_set_config () from /usr/lib/libglib-2.0.so.0
#2  0x00978e6b in g_slice_free_chain_with_offset () from /usr/lib/libglib-2.0.so.0
#3  0x009604f1 in g_list_free () from /usr/lib/libglib-2.0.so.0
#4  0xb7fee7d4 in s_conn_remove (w_current=0x812ada8, to_remove=0x86d67c8) at ../noweb/s_conn.nw:248
#5  0xb7fea202 in s_delete (w_current=0x812ada8, o_current=0x86d67c8) at ../noweb/s_basic.nw:488
#6  0xb7fea4a8 in s_delete_list_fromstart (w_current=0x812ada8, start=0x82d3dd0) at ../noweb/s_basic.nw:638
#7  0xb7fec923 in s_page_delete (toplevel=0x812ada8, page=0x82d6618) at ../noweb/s_page.nw:269
#8  0xb7fecb97 in s_page_delete_list (toplevel=0x812ada8) at ../noweb/s_page.nw:384
#9  0xb7ff0848 in s_toplevel_delete (toplevel=0x812ada8) at ../noweb/s_toplevel.nw:521
#10 0x08086993 in x_window_close (w_current=0x812ada8) at ../noweb/x_window.nw:1125
#11 0x08086a3a in x_window_close_all (toplevel=0x812ada8) at ../noweb/x_window.nw:1160
#12 0x08058943 in g_keys_file_quit () at ../noweb/g_keys.nw:186
#13 0x04c67547 in scm_ceval () from /usr/lib/libguile.so.12
#14 0x04c639d2 in scm_i_eval_x () from /usr/lib/libguile.so.12
#15 0x04c6f05a in scm_primitive_eval_x () from /usr/lib/libguile.so.12
#16 0x04caaaf8 in scm_init_strports () from /usr/lib/libguile.so.12
#17 0x04c7094c in scm_c_with_fluids () from /usr/lib/libguile.so.12
#18 0x04c70a69 in scm_c_with_fluid () from /usr/lib/libguile.so.12
#19 0x04c885c5 in scm_c_call_with_current_module () from /usr/lib/libguile.so.12
#20 0x04caae49 in scm_eval_string () from /usr/lib/libguile.so.12
#21 0x04caae85 in scm_c_eval_string () from /usr/lib/libguile.so.12
#22 0x08083aa4 in g_menu_execute (func=0x8100ad0 "file-quit") at ../noweb/x_menus.nw:116
#23 0x00aeb1c9 in g_cclosure_marshal_VOID__VOID () from /usr/lib/libgobject-2.0.so.0
#24 0x00addf6d in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#25 0x00aeea3d in g_signal_override_class_closure () from /usr/lib/libgobject-2.0.so.0
#26 0x00aeff47 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#27 0x00af0109 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#28 0x00313124 in gtk_widget_activate () from /usr/lib/libgtk-x11-2.0.so.0
#29 0x00230358 in gtk_menu_shell_activate_item () from /usr/lib/libgtk-x11-2.0.so.0
#30 0x002318d2 in gtk_menu_shell_append () from /usr/lib/libgtk-x11-2.0.so.0
#31 0x00225f5f in gtk_menu_attach () from /usr/lib/libgtk-x11-2.0.so.0
#32 0x002244de in gtk_marshal_BOOLEAN__VOID () from /usr/lib/libgtk-x11-2.0.so.0
#33 0x00adc7a9 in g_value_set_static_boxed () from /usr/lib/libgobject-2.0.so.0
#34 0x00addf6d in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#35 0x00aef083 in g_signal_override_class_closure () from /usr/lib/libgobject-2.0.so.0
#36 0x00aefd0f in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#37 0x00af0109 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#38 0x0030f028 in gtk_widget_get_default_style () from /usr/lib/libgtk-x11-2.0.so.0
#39 0x0021dec3 in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0
#40 0x0021f117 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
#41 0x00db493a in gdk_add_client_message_filter () from /usr/lib/libgdk-x11-2.0.so.0
#42 0x0096209d in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#43 0x0096532f in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#44 0x009656d9 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#45 0x0021f594 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#46 0x08059584 in main_prog (closure=0x0, argc=1, argv=0xbfffd524) at ../noweb/gschem.nw:377
#47 0x04c825f4 in scm_boot_guile () from /usr/lib/libguile.so.12
#48 0x080590d6 in main (argc=1, argv=0xbfffd524) at ../noweb/gschem.nw:422
(gdb)


