etc/udev/redhat/05-udev-early.rules

   1 # sysfs is populated after the event is sent
   2 ACTION=="add", DEVPATH=="/devices/*", ENV{PHYSDEVBUS}=="?*", WAIT_FOR_SYSFS="bus"
   3 # ignore these events until someone needs them
   4 SUBSYSTEM=="drivers",           OPTIONS="ignore_device"
   5 SUBSYSTEM=="module",            OPTIONS="ignore_device"
   6
   7
   8 ACTION=="add", SUBSYSTEM=="?*", ENV{MODALIAS}=="?*", RUN+="modprobe $env{MODALIAS}", GOTO="skip_wait"
   9
  10 # pnp devices
  11 ACTION=="add", SUBSYSTEM=="pnp", RUN+="/bin/sh -c 'while read id; do /lib/udev/modprobe pnp:d$$id; done < /sys/$devpath/id'"
  12
  13 ACTION=="add", SUBSYSTEM=="net", WAIT_FOR_SYSFS="address"
  14
  15 ACTION=="add", SUBSYSTEM=="scsi", WAIT_FOR_SYSFS="ioerr_cnt"
  16
  17 LABEL="skip_wait"
  18
  19 ACTION=="add", SUBSYSTEM=="firmware", ENV{FIRMWARE}=="*", RUN="/sbin/firmware_helper", OPTIONS="last_rule"