Stop a moment. The code wasn't designed to permit two paralle calls of flush_to_ldisc to the same tty. That was always forbidden when that code was designed. It got broken because someone changed that rule recently (and because the locking was too clever) Alan -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html