case traceGoRunning, traceGoSyscall:
				if getg() == gp || mp.curg == gp {
					break
				}
				fallthrough
			default:
				print("runtime: gp=", unsafe.Pointer(gp), " gp.goid=", gp.goid, " status=", gStatusStrings[status], "\n")
				throw("attempted to trace stack of a goroutine this thread does not own")
			}
		}
	}

	if gp != nil && mp == nil {
		// We're getting the backtrace for a G that's not currently executing.