source: udev/50-udev.rules@ 81a04c4

########################################################################
#
# 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="0666", OPTIONS="last_rule"
KERNEL=="tty[pqrstuvwxyzabcdef][0123456789abcdef]",     GROUP="tty", MODE="0666", OPTIONS="last_rule"
KERNEL=="tty",                                          GROUP="tty", MODE="0666", OPTIONS="last_rule"
KERNEL=="tty[0-9]*|vcs*",                               GROUP="tty", MODE="0620", OPTIONS="last_rule"
KERNEL=="ptmx",                                         GROUP="tty", MODE="0666", OPTIONS="last_rule"
KERNEL=="console",                                      MODE="0600", OPTIONS="last_rule"

# serial devices
KERNEL=="tty[A-Z]*|pppox*|ircomm*|noz*",        GROUP="uucp"
KERNEL=="mwave",                                NAME="modems/%k", GROUP="uucp"
KERNEL=="hvc*|hvsi*",                           GROUP="uucp"
KERNEL=="iseries/vtty*",                        GROUP="uucp"
KERNEL=="ttyUSB*",                              ATTRS{product}=="[Pp]alm*Handheld*", SYMLINK+="pilot"
KERNEL=="ttyUSB*",                              ATTRS{product}=="[Hh]andspring*Treo*|[Hh]andspring*Visor*", SYMLINK+="pilot"

# video/graphics
SUBSYSTEM=="video4linux",       GROUP="video"
SUBSYSTEM=="graphics"           GROUP="video"
KERNEL=="vtx*|vbi*",            GROUP="video"
KERNEL=="winradio*",            GROUP="video"
KERNEL=="vttuner*",             GROUP="video"
KERNEL=="nvidia*|nvidiactl*",   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=="mouse*|mice|event*",   NAME="input/%k", MODE="0640"
KERNEL=="js*",                  NAME="input/%k", MODE="0644"
KERNEL=="ts*|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|kmem|port",        GROUP="kmem", MODE="0640"
KERNEL=="nvram",                GROUP="kmem", MODE="0600"
KERNEL=="null|zero|random",     MODE="0666"
KERNEL=="full",                 MODE="0622"
KERNEL=="urandom",              MODE="0644"
KERNEL=="rtc",                  MODE="0600"
KERNEL=="fuse",                 MODE="0666"
KERNEL=="sonypi",               MODE="0666"
KERNEL=="agpgart",              MODE="0600", GROUP="video"
KERNEL=="djs*",                 MODE="0644"
KERNEL=="sgi_*",                MODE="0666"
KERNEL=="rrom*",                MODE="0400"
KERNEL=="rflash*",              MODE="0400"
KERNEL=="usbscanner*",          MODE="0644"
KERNEL=="3270/ttycons*",        MODE="0600"
KERNEL=="3270/tub*",            MODE="0666"
KERNEL=="3270/tubcons*",        MODE="0600"
KERNEL=="ica",                  MODE="0666"
KERNEL=="z90crypt",             MODE="0666"
KERNEL=="mmtimer",              MODE="0644"
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=="nvram",                ACTION=="add", RUN+="load_floppy_module.sh"
KERNEL=="fd[0-9]*",             ACTION=="add", ATTRS{cmos}=="?*", RUN+="create_floppy_devices -c -t $attr{cmos} -m %M -M 0660 -G floppy $root/%k"

# sd:           0 TYPE_DISK, 7 TYPE_MOD, 14 TYPE_RBC
# sr:           4 TYPE_WORM, 5 TYPE_ROM
# st/osst:      1 TYPE_TAPE
SUBSYSTEM=="scsi",              KERNEL=="[0-9]*:[0-9]*", ACTION=="add", ATTR{type}=="0|7|14", ATTR{timeout}="60"
SUBSYSTEM=="scsi",              KERNEL=="[0-9]*:[0-9]*", ACTION=="add", ATTR{type}=="1", ATTR{timeout}="900

# misc storage devices (non-block)
KERNEL=="sg*",                  GROUP="disk", MODE="0640"
KERNEL=="sr*",                  GROUP="cdrom", MODE="0660"
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"
SUBSYSTEM=="raw",               KERNEL=="raw[0-9]*", NAME="raw/%k", GROUP="disk"
KERNEL=="osst*|nosst*",         GROUP="tape"
KERNEL=="iseries/vt*",          GROUP="disk"
KERNEL=="iseries/nvt*",         GROUP="disk"
KERNEL=="iseries/ibmsis*",      GROUP="disk"

# libusb device access
SUBSYSTEM=="usb",               ACTION=="add", ENV{DEVTYPE}=="usb_device", NAME="bus/usb/$env{BUSNUM}/$env{DEVNUM}", MODE="0644"