On Tue, Mar 27, 2012 at 02:39:37PM +0800, Li Haifeng wrote: > As you know, the node under /dev are managed by udevd daemon. Not always, usually the node is created by devtmpfs on most modern distros. > 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? devtmpfs does it. Also, look at your distro startup code, it sets things up properly when userspace starts up and has udev go through things and set up the nodes then. good luck, greg k-h -- 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
