[slackware-pk] udev - problemas
- From: Piter PUNK <piterpk@xxxxxxxxxxxx>
- To: slackware-pk@xxxxxxxxxxxxx
- Date: Fri, 11 Aug 2006 18:34:16 -0300
Oi povo,
Estou tendo alguns problemas com o udev. Hmmm... falando melhor,
eu não tenho problema nenhum, quem tem são alguns usuários e eles falam
com o Patrick (e aí eu tenho problemas).
Para quem não sabe, o udev é um daemon em userspace que escuta
eventos de kernel (via netlink) e gerencia esses eventos. Usando um
kernel 2.6.15+ e udev acima de uma versão que eu não lembro mais, ele
gerencia tanto a criação dos devices no /dev como o carregamento dos
módulos. Quem usa o kernel 2.6 que vem no slackware-current e o udev
que está no current (096) já está com tudo OK para fazer o sistema
funcionar.
Se quiserem ajudar no teste, atualizem as máquinas de vcs
para o current -;) Sobrescrevam todos os /etc/rc.d/rc.{S,M,udev}
com os novos que vêm nos pacotes novos e coloquem o script que
esta anexado nesse e-mail em /lib/udev/ -;)
Boa Sorte!
Piter PUNK
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#105432
#!/bin/sh
if [ -z $udev_root ]; then
. /etc/udev/udev.conf
fi
getlock() {
while [ -r $LOCKFILE ]; do
sleep 1
done
touch $LOCKFILE
}
givelock() {
rm -f $LOCKFILE
}
# initiate some vars
LOCKFILE=${udev_root}cd-lockfile
OPTICAL_DEVICE=$1
ID=${PHYSDEVPATH##*/}
let `/lib/udev/cdrom_id --export ${udev_root}${OPTICAL_DEVICE}`
if ! [ -z $ID_CDROM ]; then
getlock
if ! [ -e /etc/udev/rules.d/cd-devices.rules ]; then
cat <<EOF > /etc/udev/rules.d/cd-devices.rules
# Local CD/DVD rules to make the symlinks for your CD/DVD devices.
# These rules were generated by cdrom-symlinks.sh, but you can customize
# them if needed.
#
# If you delete this file, /lib/udev/cdrom-symlinks.sh will try to
# generate it again the next time udev is started.
EOF
fi
MATCH="BUS==\"$PHYSDEVBUS\", ID==\"$ID\""
NUMBER=`grep -c "SYMLINK+=\"cdrom." /etc/udev/rules.d/cd-devices.rules`
if ! grep "$MATCH" /etc/udev/rules.d/* &>${udev_root}null ; then
cd $udev_root
if [ "$NUMBER" = "0" ]; then
CDROM=", SYMLINK+=\"cdrom cdrom0\""
ln -sf $OPTICAL_DEVICE cdrom
ln -sf $OPTICAL_DEVICE cdrom0
else
CDROM=", SYMLINK+=\"cdrom${NUMBER}\""
ln -sf $OPTICAL_DEVICE cdrom${NUMBER}
fi
echo ${MATCH}${CDROM} >> /etc/udev/rules.d/cd-devices.rules
if [ -n "$ID_CDROM_DVD" ]; then
if [ "$NUMBER" = "0" ]; then
DVDROM=", SYMLINK+=\"dvd dvd0\""
ln -sf $OPTICAL_DEVICE dvd
ln -sf $OPTICAL_DEVICE dvd0
else
DVDROM=", SYMLINK+=\"dvd${NUMBER}\""
ln -sf $OPTICAL_DEVICE dvd${NUMBER}
fi
echo ${MATCH}${DVDROM} >>
/etc/udev/rules.d/cd-devices.rules
if [ -n "$ID_CDROM_DVD_R" ] || [ -n "$ID_CDROM_DVD_RAM"
]; then
if [ "$NUMBER" = "0" ]; then
DVDRW=", SYMLINK+=\"dvdrw dvdrw0\""
ln -sf $OPTICAL_DEVICE dvdrw
ln -sf $OPTICAL_DEVICE dvdrw0
else
DVDRW=", SYMLINK+=\"dvdrw${NUMBER}\""
ln -sf $OPTICAL_DEVICE dvdrw${NUMBER}
fi
echo ${MATCH}${DVDRW} >>
/etc/udev/rules.d/cd-devices.rules
fi
fi
if [ -n "$ID_CDROM_CD_RW" ]; then
if [ "$NUMBER" = "0" ]; then
CDRW=", SYMLINK+=\"cdrw cdrw0\""
ln -sf $OPTICAL_DEVICE cdrw
ln -sf $OPTICAL_DEVICE cdrw0
else
CDRW=", SYMLINK+=\"cdrw${NUMBER}\""
ln -sf $OPTICAL_DEVICE cdrw${NUMBER}
fi
echo ${MATCH}${CDRW} >>
/etc/udev/rules.d/cd-devices.rules
fi
fi
givelock
fi
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