As you know, the node under /dev are managed by udevd daemon. But to the built-in driver module, when the module is probed in kernel space, udevd daemon doesn't running. So, to ttyS node, when the built-in driver module was probed, when was the /dev/ttyS created? Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html