I can confirm on amd64, swi-prolog-xpce 5.6.14-1 To reproduce, run xpce and type "help."
According to the backtrace, it looks like an infinite loop that eventually gets killed. -- xpce editor fails to load https://launchpad.net/bugs/70742 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs