# System hotplug can be handled by udev or mdev # Either we have systemd-udevd or eudev, on the rare occasion we find # both, we opt for the latter. Remember, you can override this by a # custom hotplug.conf in /etc/finit.d/ or /etc/finit.d/enabled/. service nowarn [S12345789] cgroup.system name:udevd pid:udevd log /lib/systemd/systemd-udevd -- Device event managing daemon service nowarn [S12345789] cgroup.system name:udevd pid:udevd log udevd -- Device event managing daemon # Wait for udevd to start, then wait a couple of seconds for it to become ready run if:udevd cgroup.init [S] sleep 2 -- run if:udevd cgroup.init :1 [S] log udevadm trigger -c add -t devices -- Requesting device events run if:udevd cgroup.init :2 [S] log udevadm trigger -c add -t subsystems -- Requesting subsystem events task if:udevd [S] /lib/udev/udev-finish -- Finalizing udev # If udevd is not available, try mdev run conflict:udevd [S] mdev -s -- Populating device tree