Previously it would print the addresses: $ ./frysk/bindir/fstep ./frysk/pkglibdir/funit-helloException in thread "main" lib.dwfl.ElfException: no disassember available at lib.dwfl.Disassembler.disassemble_instructions(fstep) at lib.dwfl.Disassembler.disassembleInstructions(fstep) at frysk.bindir.fstep.updateExecuted(fstep) at frysk.proc.live.LinuxPtraceProc$14.add(fstep) at frysk.proc.live.LinuxPtraceTaskState$BlockedSignal.handleAddObservation(fstep) at frysk.proc.live.LinuxPtraceTask.handleAddObservation(fstep) at frysk.proc.live.TaskObservation.handleAdd(fstep) at frysk.proc.live.LinuxPtraceProcState$3.handleAddObservation(fstep) at frysk.proc.live.LinuxPtraceProc.handleAddObservation(fstep) at frysk.proc.live.LinuxPtraceProc$14.execute(fstep) at frysk.event.EventLoop.runEventLoop(fstep) at frysk.event.EventLoop.run(fstep) at frysk.util.ProcRunUtil.start(fstep) at frysk.bindir.fstep.main(fstep)