I suspect this bug might be a duplicate of bug 649707. For me, there were several (reproducible) instances where StumpWM would crash and be rendered unusable, that seem to have been corrected by updating to the latest Git checkout [0].
StumpWM would crash when I: - Opened a new image in Gimp. - Quit out of Liferea. Nick 0: https://savannah.nongnu.org/git/?group=stumpwm -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org