grep udev /etc/rc.sysinit
# (bluca) handle udev /dev tmpfs here since kernel will happily umount /dev after initrd end
# (blino) do it before the udev service is started so that it uses the /dev tmpfs from initrd
/sbin/start_udev
# If brltty exist start it (after udev so that vcsa device nodes are created)
# Copy udev rules created while root was read-only
    /bin/flock /dev/.udev/.lockf-$__subsys /sbin/udev_copy_temp_rules $__subsys