tags 267168 patch
thanks
Since I posted many buggy codes :-( , I post the working one here.
(The bottom of BTS for cdrom-detect.)
This should solve most of cdrom-detect bug reports :-)
I reported success for Dell DMA case on 265636 using this patch.
Osamu
#! /bin/sh
set -e
. /usr/share/debconf/confmodule
#set -x
log() {
logger -t cdrom-detect "$@"
}
fail () {
log "$@"
db_input critical cdrom-detect/failure || [ $? -eq 30 ]
db_go
# redundant but to be sure
umount /cdrom 2>/dev/null || true
exit 1
}
hw-detect cdrom-detect/detect_progress_title || true
maxmount=2 # max counts of the mounting tries
imount=0 # mount counter
mounted=0 # 0=initial, 1=detection in progress, 2=mounted
while true
do
log "Searching for Debian installation media..."
if [ ! -e /cdrom ] ; then
mkdir /cdrom 2>/dev/null || true
elif [ "$mounted" = "1" ]; then
log "Cdrom device was detected but the mount failed."
db_input critical cdrom-detect/retry || [ $? -eq 30 ]
db_go
db_get cdrom-detect/retry
if [ "$RET" = "true" ]; then
mounted=0
continue
else
fail "Retry of cdrom detect refused."
fi
elif [ -e /cdrom/.disk/info ] ; then
log "Sanity check of CD before aproving mounted CD"
CDNAME=`cat /cdrom/.disk/info`
log "Detected CD '$CDNAME'"
# Set the suite used by base-installer and base-config to
# the suite that is on the CD from Release file.
for distlink in stable testing unstable ; do
relfile=/cdrom/dists/$distlink/Release
if [ -e $relfile ] ; then
suite=$(sed -n 's/^Suite: *//p' $relfile)
log "Detected CD with '$suite' distribution"
db_set mirror/suite $suite
break
fi
done
# For DMA related mount errors. (RR extension)
if [ "X" = "X${suite}" ]; then
log "Could not determine the package 'suite'. Is the cdrom OK?"
umount /cdrom 2>/dev/null || true
mounted=1
continue
elif [ ! -e "/cdrom/dists/$suite/Release" ]; then
log "No such file '/cdrom/dists/$suite/Release'. Is the cdrom OK?"
umount /cdrom 2>/dev/null || true
mounted=1
continue
fi
log "Exit main loop after approving mounted CD."
break
elif mount | grep -q 'on /cdrom ' ; then
log "The available CD is not a Debian CD!"
umount /cdrom 2>/dev/null || true
db_input critical cdrom-detect/wrong-cd || [ $? -eq 30 ]
db_go
imount=$((${imount}-1))
mounted=0
continue
fi
# Start detecting and mounting cdrom
if [ "$imount" -ge "$maxmount" ] ; then
fail "Tried to mount media $imount times and failed."
fi
imount=$((${imount}+1))
log "Loop $imount out of $maxmount"
mounted=1
log "Try to detect a cdrom automatically by devfs."
# This cdrom detection can be disabled by CDROM_DEVICES=none
if [ -n "$CDROM_DEVICES" ]; then
devices="$CDROM_DEVICES"
elif [ -d /dev/cdroms ]; then
devices=$(echo /dev/cdroms/*|grep -Fv '*' || true)
else
devices=""
fi
if [ -n "$devices" ] && [ "$devices" != "none" ]; then
for device in $devices
do
if mount -t iso9660 -o ro,exec $device /cdrom; then
log "Cdrom-mount succeeded: device=$device"
mounted=2
db_set cdrom-detect/cdrom_device $device
break # for device loop
else
log "Cdrom-mount failed (error=$?): device=$device"
umount /cdrom 2>/dev/null || true
mounted=0
fi
done
continue
fi
log "Try to mount a driver floppy since no auto-cdrom device found."
if [ -e /usr/lib/debian-installer/retriever/floppy-retriever ]; then
db_input critical cdrom-detect/load_floppy
db_go
db_get cdrom-detect/load_floppy
if [ "$RET" = true ]; then
anna floppy-retriever
hw-detect cdrom-detect/detect_progress_title || true
imount=$((${imount}-1))
mounted=2
continue
fi
fi
log "Try to mount a cdrom on old non-devfs hardwares manually."
db_input critical cdrom-detect/manual_config || [ $? -eq 30 ]
db_go
db_get cdrom-detect/manual_config
modules=none
for i in `ls -1 /lib/modules/*/kernel/drivers/cdrom/ | sed 's/\.ko$//' | sed
's/\.o$//'`
do
modules="$modules, $i"
done
if [ "$RET" = "true" ]; then
db_subst cdrom-detect/cdrom_module choices "$modules"
db_input critical cdrom-detect/cdrom_module || [ $? -eq 30 ]
db_go
db_get cdrom-detect/cdrom_module
module="$RET"
db_input critical cdrom-detect/cdrom_device || [ $? -eq 30 ]
db_go
db_get cdrom-detect/cdrom_device
device="$RET"
if [ "$module" != "none" ]; then
modprobe $module
fi
if mount -t iso9660 -o ro,exec $device /cdrom; then
log "Cdrom-mount succeeded: device=$device"
db_set cdrom-detect/cdrom_device $device
mounted=2
db_set cdrom-detect/cdrom_device $device
else
log "Cdrom-mount failed (error=$?): device=$device"
umount /cdrom 2>/dev/null || true
imount=$((${imount}-1))
mounted=0
fi
continue
fi
fail "No media detected: auto-cdrom, floppy, manual-cdrom."
done
# Ask for eject to be installed into /target/, to be able to use it in
# the prebaseconfig script.
apt-install eject || true
# Hey, we're done
db_subst cdrom-detect/success cdname "$CDNAME"
db_input low cdrom-detect/success || [ $? -eq 30 ]
db_go
exit 0
