gEDA-dev: debugging Gtk-WARNING **:Invalid input string

[DJ Delorie]

> and nothing else on the stack.  What I don't understand is, shouldn't I
> see some of my code further down on the stack?

A couple of hints...

Make sure you're not using any -O options (edit the Makefile).

Make sure you're using -g.

Make sure you have the latest version of gdb.

Otherwise, yeah, printfs.  Or break on the last function in the
truncated list and see where it's called from.