Hi, I've solved the problem with the timeouts by disabling NCQ on the four disks. Apparently there's something in the combination of NCQ+PMP that gives problems. - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html