> [Why this only became a problem recently, I don't know.] In a word - multiprocessing. In 2.4 and 2.4 the tty layer locking was very broken, in 2.6 its rather better but the side effect of that is all the unsafe uses of low_latency now blow up and get caught instead of working most of the time then going bang. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html