- - during bootup /dev usually gets a tmpfs mounted which is populated scratch
- by udev (created nodes don't survive a reboot, it always starts from scratch)
+ - Directly after mounting the root filesystem, the udevd daemon must be
+ started by an init script.
+
+ - From kernel version 2.6.15 on, the hotplug helper /sbin/hotplug should
+ be disabled with an init script before kernel modules are loaded.
+
+ - During bootup, /dev usually gets a tmpfs filesystem mounted which is
+ populated from scratch by udev (created nodes don't survive a reboot,
+ the /lib/udev/devices directory should be used for "static nodes").