source: udev/50-udev.rules@ 49174f3

########################################################################
#
# Description : 50-udev.rules
#
# Authors     : Based on Open Suse Udev Rules
#               kay.sievers@suse.de
#
# Adapted to  : Jim Gifford
# LFS         : Alexander E. Patrakov
#
# Version     : 00.01
#
# Notes       :
#
########################################################################

# block devices
SUBSYSTEM=="block",             GROUP="disk", MODE="0640"

# console
KERNEL=="pty[pqrstuvwxyzabcdef][0123456789abcdef]",     GROUP="tty", MODE="666", OPTIONS="last_rule"
KERNEL=="tty[pqrstuvwxyzabcdef][0123456789abcdef]",     GROUP="tty", MODE="666", OPTIONS="last_rule"
KERNEL=="vcs*",                                         GROUP="tty", MODE="620", OPTIONS="last_rule"
KERNEL=="tty",                                          GROUP="tty", MODE="666", OPTIONS="last_rule"
KERNEL=="tty[0-9]*",                                    GROUP="tty", MODE="620", OPTIONS="last_rule"
KERNEL=="console",                                      MODE="600", OPTIONS="last_rule"
KERNEL=="ptmx",                                         GROUP="tty", MODE="666", OPTIONS="last_rule"

# serial devices
KERNEL=="tty[A-Z]*",            GROUP="uucp"
KERNEL=="pppox*",               GROUP="uucp"
KERNEL=="ircomm*",              GROUP="uucp"
KERNEL=="modems/mwave*",        GROUP="uucp"
KERNEL=="hvc*",                 GROUP="uucp"
KERNEL=="hvsi*",                GROUP="uucp"
KERNEL=="iseries/vtty*",        GROUP="uucp"
KERNEL=="ttyUSB*",              SYSFS{product}=="[Pp]alm*Handheld*", SYMLINK+="pilot"

# video/graphics
SUBSYSTEM=="video4linux",       GROUP="video"
SUBSYSTEM=="graphics"           GROUP="video"
KERNEL=="vtx*",                 GROUP="video"
KERNEL=="vbi*",                 GROUP="video"
KERNEL=="winradio*",            GROUP="video"
KERNEL=="vttuner*",             GROUP="video"
KERNEL=="nvidia*",              GROUP="video"
KERNEL=="video0",               SYMLINK+="video"
KERNEL=="radio0",               SYMLINK+="radio"
KERNEL=="vbi0",                 SYMLINK+="vbi"
KERNEL=="pmu",                  GROUP="video"

# dvb
SUBSYSTEM=="dvb", PROGRAM="/bin/sh -c 'K=%k; K=$${K#dvb}; printf dvb/adapter%%i/%%s $${K%%%%.*} $${K#*.}'", NAME="%c", GROUP="video"

# input devices
KERNEL=="mice",                 NAME="input/%k", MODE="0640"
KERNEL=="mouse*",               NAME="input/%k", MODE="0640"
KERNEL=="event*",               NAME="input/%k", MODE="0640"
KERNEL=="js*",                  NAME="input/%k", MODE="0644"
KERNEL=="ts*",                  NAME="input/%k", MODE="0600"
KERNEL=="uinput",               NAME="input/%k", MODE="0600"
KERNEL=="lirc0",                SYMLINK+="lirc"

# printer
SUBSYSTEM=="usb",               KERNEL=="lp*", NAME="usb/%k", SYMLINK+="usb%k", GROUP="lp"
SUBSYSTEM=="printer",           KERNEL=="lp*", NAME="%k", GROUP="lp"
KERNEL=="irlpt*",               GROUP="lp"

# cpu devices
KERNEL=="cpu[0-9]*",            NAME="cpu/%n/cpuid"
KERNEL=="msr[0-9]*",            NAME="cpu/%n/msr"
KERNEL=="microcode",            NAME="cpu/microcode", MODE="0600"

# IEEE1394 devices
KERNEL=="raw1394*",             GROUP="video"
KERNEL=="dv1394*",              SYMLINK+="dv1394/%n", GROUP="video"
KERNEL=="video1394*",           SYMLINK+="video1394/%n", GROUP="video"

# 183 = /dev/hwrng        Generic random number generator
KERNEL=="hw_random",            NAME="hwrng", SYMLINK+="%k"

# 219 /dev/modems/mwave MWave modem firmware upload
KERNEL=="mwave",                NAME="modems/%k"

# 169 /dev/specialix_rioctl Specialix RIO serial control
KERNEL=="rioctl",               NAME="specialix_rioctl", SYMLINK+="%k"

# 167 /dev/specialix_sxctl Specialix serial control
KERNEL=="sxctl",                NAME="specialix_sxctl", SYMLINK+="%k"

# network
KERNEL=="tun",                  NAME="net/%k", MODE="0600"

# misc devices
KERNEL=="mem",                  GROUP="kmem", MODE="640"
KERNEL=="kmem",                 GROUP="kmem", MODE="640"
KERNEL=="port",                 GROUP="kmem", MODE="640"
KERNEL=="nvram",                GROUP="kmem", MODE="600"
KERNEL=="null",                 MODE="666"
KERNEL=="zero",                 MODE="666"
KERNEL=="full",                 MODE="622"
KERNEL=="random",               MODE="666"
KERNEL=="urandom",              MODE="644"
KERNEL=="rtc",                  GROUP="audio"
KERNEL=="sonypi",               MODE="666"
KERNEL=="agpgart",              MODE="600", GROUP="video"
KERNEL=="djs*",                 MODE="644"
KERNEL=="sgi_*",                MODE="666"
KERNEL=="rrom*",                MODE="400"
KERNEL=="rflash*",              MODE="400"
KERNEL=="usbscanner*",          MODE="644"
KERNEL=="3270/ttycons*",        MODE="600"
KERNEL=="3270/tub*",            MODE="666"
KERNEL=="3270/tubcons*",        MODE="600"
KERNEL=="ica",                  MODE="666"
KERNEL=="z90crypt",             MODE="666"
KERNEL=="mmtimer",              MODE="444"
KERNEL=="auer[0-9]*"            NAME="usb/%k"

# packet writing interface
KERNEL=="pktcdvd",              NAME="pktcdvd/control"
KERNEL=="pktcdvd[0-9]*",        NAME="pktcdvd/%k"

# fix floppy devices
KERNEL=="fd[0-9]*",             ACTION=="add", GROUP="floppy", MODE="660"
KERNEL=="fd[0-9]*",             ACTION=="remove", RUN+="/bin/rm -f $root/%k*"

# sd:           0 TYPE_DISK, 7 TYPE_MOD, 14 TYPE_RBC
# sr:           4 TYPE_WORM, 5 TYPE_ROM
# st/osst:      1 TYPE_TAPE
ACTION=="add",                  SUBSYSTEM=="scsi" , SYSFS{type}=="0|7|14", RUN+="/bin/sh -c 'echo 60 > /sys/$DEVPATH/timeout'"
ACTION=="add",                  SUBSYSTEM=="scsi" , SYSFS{type}=="1", RUN+="/bin/sh -c 'echo 900 > /sys/$DEVPATH/timeout'"

# device mapper
KERNEL=="device-mapper",        SYMLINK+="mapper/control"

# misc storage devices (non-block)
KERNEL=="sg*",                  GROUP="disk", MODE="640"
KERNEL=="st*",                  GROUP="tape"
KERNEL=="nst*",                 GROUP="tape"
KERNEL=="initrd",               GROUP="disk"
KERNEL=="qft*",                 GROUP="tape"
KERNEL=="nqft*",                GROUP="tape"
KERNEL=="zqft*",                GROUP="tape"
KERNEL=="nzqft*",               GROUP="tape"
KERNEL=="rawqft*",              GROUP="tape"
KERNEL=="nrawqft*",             GROUP="tape"
KERNEL=="pf*",                  GROUP="disk"
KERNEL=="sch*",                 GROUP="disk"
KERNEL=="pt*",                  GROUP="tape"
KERNEL=="npt*",                 GROUP="tape"
KERNEL=="pg*",                  GROUP="disk"
KERNEL=="evms/block_device*",   GROUP="disk"
KERNEL=="rawctl*",              GROUP="disk"
KERNEL=="osst*",                GROUP="tape"
KERNEL=="nosst*",               GROUP="tape"
KERNEL=="iseries/vt*",          GROUP="disk"
KERNEL=="iseries/nvt*",         GROUP="disk"
KERNEL=="iseries/ibmsis*",      GROUP="disk"

# libusb device access
SUBSYSTEM=="usb_device",        PROGRAM="/bin/sh -c 'K=%k; K=$${K#usbdev}; printf bus/usb/%%03i/%%03i $${K%%%%.*} $${K#*.}'", NAME="%c", MODE="0644"