1) Open devhelp
2) Click the Search tab, type in something like "gtk_widget"
3) Click on the first item in the list, wait until its shown in the right-hand pane
4) Click back on the list so that any item is active-highlighted (not grey
inactive-hightlighted)
5) start typing

(devhelp:3653): Gtk-CRITICAL **: gtk_tree_path_get_indices: assertion `path !=
NULL' failed

(devhelp:3653): Gtk-CRITICAL **: gtk_tree_path_get_depth: assertion `path !=
NULL' failed

Program received signal SIGSEGV, Segmentation fault.

Thread 1 (Thread -1208645952 (LWP 3653)):
#0  0x03af0ba1 in gtk_tree_view_set_search_equal_func () from
/usr/lib/libgtk-x11-2.0.so.0
#1  0x03af11fd in gtk_tree_view_set_search_equal_func () from
/usr/lib/libgtk-x11-2.0.so.0
#2  0x03af136e in gtk_tree_view_set_search_equal_func () from
/usr/lib/libgtk-x11-2.0.so.0
#3  0x03af175c in gtk_tree_view_set_search_equal_func () from
/usr/lib/libgtk-x11-2.0.so.0
#4  0x03a29e72 in gtk_marshal_VOID__UINT_STRING () from /usr/lib/libgtk-x11-2.0.so.0
#5  0x001d6c86 in g_cclosure_new_swap () from /usr/lib/libgobject-2.0.so.0
#6  0x001d7172 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#7  0x001e6b47 in g_signal_connect_closure_by_id () from
/usr/lib/libgobject-2.0.so.0
#8  0x001e7e7b in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#9  0x001e847b in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#10 0x03b057e3 in gtk_widget_activate () from /usr/lib/libgtk-x11-2.0.so.0
#11 0x03b14287 in gtk_window_propagate_key_event () from
/usr/lib/libgtk-x11-2.0.so.0
#12 0x03b18406 in gtk_window_activate_key () from /usr/lib/libgtk-x11-2.0.so.0
#13 0x03a29e72 in gtk_marshal_VOID__UINT_STRING () from /usr/lib/libgtk-x11-2.0.so.0
#14 0x001d6c86 in g_cclosure_new_swap () from /usr/lib/libgobject-2.0.so.0
#15 0x001d7172 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#16 0x001e6b47 in g_signal_connect_closure_by_id () from
/usr/lib/libgobject-2.0.so.0
#17 0x001e7e7b in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#18 0x001e847b in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#19 0x03b057e3 in gtk_widget_activate () from /usr/lib/libgtk-x11-2.0.so.0
#20 0x03a286e9 in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0
#21 0x03a28a14 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
#22 0x002e2ce4 in gdk_screen_get_setting () from /usr/lib/libgdk-x11-2.0.so.0
#23 0x00d7646e in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#24 0x00d79476 in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#25 0x00d79763 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#26 0x03a27cd5 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#27 0x08049125 in main (argc=0, argv=0x0) at dh-main.c:164
#28 0x00a47db6 in __libc_start_main () from /lib/tls/libc.so.6
#29 0x08048d61 in _start ()