FYI I've reproduced this.
- gEDA: PCB core dump on undo Daniel Wisehart
- Re: gEDA: PCB core dump on undo DJ Delorie
- Re: gEDA: PCB core dump on undo Dan McMahill
- Re: gEDA: PCB core dump on undo Dan McMahill
- Re: gEDA: PCB core dump on undo Daniel Wisehart