slitaz-boot-scripts annotate etc/init.d/rcS @ rev 441

rcS: copy /lib/udev/devices/* to /dev/ right after mounting /dev as devtmpfs for udev.
author Aleksej Bobylev <al.bobylev@gmail.com>
date Mon Sep 04 03:53:58 2017 +0300 (2017-09-04)
parents 30df2eac7040
children f12914c09028
rev   line source
pankso@5 1 #!/bin/sh
pankso@302 2 #
pankso@302 3 # /etc/init.d/rcS : Initial boot script for SliTaz GNU/Linux
pankso@302 4 # Configuration file : /etc/rcS.conf
pankso@5 5 #
pankso@153 6 # rcS is the main initialization script used to check fs, mount, clean,
pankso@153 7 # run scripts and start daemons.
pankso@5 8 #
pankso@5 9 . /etc/init.d/rc.functions
pankso@5 10 . /etc/rcS.conf
pankso@5 11
pankso@302 12 # Set PATH, TZ and boot time.
pankso@302 13 export PATH=/bin:/sbin:/usr/bin:/usr/sbin
pankso@262 14 [ -s /etc/TZ ] && export TZ="$(cat /etc/TZ)"
pankso@187 15
pascal@276 16 case "$1" in
pascal@276 17
pascal@276 18 readonly)
pankso@246 19
al@393 20 colorize 34 'Processing: /etc/init.d/rcS...'
pankso@171 21
pankso@306 22 # Mount /proc
al@416 23 action 'Mounting proc filesystem on /proc'
al@416 24 mount proc
al@416 25 status
pankso@302 26
slaxemulator@247 27 # Trigger Udev and handle hotplug events
pankso@305 28 if [ "$UDEV" == "yes" ]; then
al@416 29 action 'Mounting devtmpfs filesystem on: /dev'
pankso@302 30 mount -t devtmpfs devtmpfs /dev
pankso@302 31 status
al@441 32 [ -d '/lib/udev/devices' ] && cp -af /lib/udev/devices/* /dev/
al@393 33
al@393 34 echo 'Starting udev daemon...'
pankso@302 35 udevd --daemon 2>/dev/null
al@393 36
al@393 37 echo 'Udevadm requesting events from the Kernel...'
slaxemulator@260 38 udevadm trigger
al@393 39
al@393 40 echo 'Udevadm waiting for the event queue to finish...'
pankso@302 41 udevadm settle --timeout=120
pankso@302 42 # Disable hotplug helper since udevd listen to netlink
al@393 43 echo '' > /proc/sys/kernel/hotplug
pankso@356 44 else
al@416 45 action 'Executing mdev -s to populate /dev...'
al@393 46 mdev -s && echo 'mdev' > /proc/sys/kernel/hotplug
pankso@305 47 status
pankso@305 48 fi
pankso@305 49
pankso@305 50 # Before mounting filesystems we check fs specified in the file
al@441 51 # /etc/rcS.conf and variable $CHECK_FS. We need udev started to
pankso@305 52 # have /dev/* populated
al@441 53 if [ -n "$CHECK_FS" ]; then
pankso@305 54 mount -o remount,ro /
pankso@305 55 for i in $CHECK_FS; do
pankso@305 56 colorize 36 "Checking filesystem: $i"
pankso@305 57 e2fsck -p $i
pankso@305 58 done
pankso@305 59 fi
pankso@305 60
pankso@305 61 # Remount rootfs rw.
al@393 62 echo 'Remounting rootfs read/write...'
pankso@305 63 mount -o remount,rw /
pascal@381 64 sync # ensure rw state
pankso@305 65
MikeDSmith25@107 66 # Mount filesystems in /etc/fstab.
al@393 67 echo 'Mounting filesystems in fstab...'
pankso@302 68 mount -a
pankso@305 69 ;;
pankso@305 70
al@393 71
pankso@305 72 readwrite)
pankso@302 73
pankso@302 74 # Be quiet
al@393 75 echo '0 0 0 0' > /proc/sys/kernel/printk
pankso@5 76
pankso@157 77 # Store boot messages to log files.
pankso@302 78 dmesg > /var/log/dmesg.log &
pascal@276 79
pascal@276 80 # Parse cmdline args for earlier boot options. All other boot options
pascal@276 81 # are in /etc/init./bootopts.sh.
al@416 82 action 'Searching for early boot options...'
al@393 83 for opt in $(cat /proc/cmdline); do
pascal@276 84 case $opt in
pascal@276 85 modprobe=*)
al@393 86 export MODPROBE='yes' ;;
pascal@276 87 config=*)
pascal@276 88 export CONFIG=${opt#config=} ;;
pankso@349 89 screen=*)
pankso@349 90 export SCREEN=${opt#screen=} ;;
pascal@276 91 *)
pascal@276 92 continue ;;
pascal@276 93 esac
pascal@276 94 done
pascal@276 95 status
pascal@41 96
paul@351 97 # Clean up the system and set up tmp dirs. */run/* are tmpfs so they are
paul@351 98 # cleaned up at shutdown.
al@393 99 if [ "$CLEAN_UP_SYSTEM" == 'yes' ]; then
al@416 100 action 'Cleaning up the system...'
pankso@345 101 rm -rf /tmp
pankso@345 102 mkdir -p /tmp/.X11-unix /tmp/.ICE-unix
pankso@302 103 chmod -R 1777 /tmp
pankso@157 104 status
pankso@157 105 else
al@393 106 echo 'System clean up is disabled in: /etc/rcS.conf'
pankso@262 107 fi
pankso@262 108
gokhlayeh@241 109 # Handle kernel cmdline parameter modprobe=<module_list>
pankso@302 110 if [ "$MODPROBE" ]; then
pankso@306 111 mods=$(sed -e 's/.* modprobe=\([^ ]*\).*/\1/' -e 's/,/\n/g' < /proc/cmdline)
pankso@306 112 for i in $mods; do
al@436 113 action 'Loading kernel module: %s' "$i"
pankso@302 114 modprobe $i
gokhlayeh@241 115 status
pankso@15 116 done
pankso@15 117 fi
pankso@15 118
gokhlayeh@241 119 # Handle kernel cmdline parameter config=<device>,<path> to source a
pankso@5 120 # disk init script
pankso@158 121 if [ -n "$CONFIG" ]; then
pankso@5 122 DEVICE=${CONFIG%,*}
pankso@5 123 SCRIPT=${CONFIG#*,}
pascal@110 124 echo "Probing $DEVICE... "
pankso@302 125 if ! mount -r $DEVICE /mnt; then
al@393 126 if echo $DEVICE | grep -Eq '/dev/sd|UUID=|LABEL='; then
pankso@302 127 USBDELAY=$(cat /sys/module/usb_storage/parameters/delay_use)
pascal@110 128 USBDELAY=$((1+$USBDELAY))
pascal@110 129 echo "$DEVICE is potentially a USB device: sleep for $USBDELAY seconds"
pascal@110 130 sleep $USBDELAY
pascal@110 131 fi
pankso@302 132 if ! mount -r $DEVICE /mnt; then
pascal@110 133 CONFIG=""
pascal@110 134 fi
pascal@110 135 fi
al@436 136 action 'Source %s from %s...' "$SCRIPT" "$DEVICE"
pascal@110 137 if [ -n "$CONFIG" ]; then
pankso@5 138 . /mnt/$SCRIPT
pankso@302 139 umount /mnt 2> /dev/null || true
pankso@5 140 fi
gokhlayeh@241 141 status
pankso@5 142 fi
pankso@5 143
pankso@302 144 # Mount /proc/bus/usb
pascal@124 145 if [ -d /proc/bus/usb ]; then
al@416 146 action 'Mounting usbfs filesystem on: /proc/bus/usb'
pankso@302 147 mount -t usbfs usbfs /proc/bus/usb
pascal@124 148 status
pascal@124 149 fi
pascal@124 150
pankso@302 151 # Start syslogd and klogd
al@416 152 action 'Starting system log daemon: syslogd...'
al@416 153 syslogd -s $SYSLOGD_ROTATED_SIZE; status
al@416 154 action 'Starting kernel log daemon: klogd...'
al@416 155 klogd; status
pankso@262 156
pankso@302 157 # Load all modules listed in config file
pankso@302 158 if [ "$LOAD_MODULES" ]; then
al@393 159 colorize 33 'Loading Kernel modules...'
pankso@302 160 for mod in $LOAD_MODULES; do
al@436 161 action 'Loading module: %s' "$mod"
pankso@5 162 modprobe $mod
pankso@302 163 status
pankso@5 164 done
pankso@5 165 fi
pankso@5 166
pankso@153 167 # Detect PCI and USB devices with Tazhw from slitaz-tools. We load
paul@181 168 # kernel modules only at first boot or in LiveCD mode.
pankso@153 169 if [ ! -s /var/lib/detected-modules ]; then
pankso@302 170 tazhw init
pankso@153 171 fi
pankso@153 172
paul@344 173 # Call udevadm trigger to ensure /dev is fully populated now that all
pankso@262 174 # modules are loaded.
al@393 175 if [ "$UDEV" == 'yes' ]; then
al@416 176 action 'Triggering udev events: --action=add'
pankso@302 177 udevadm trigger --action=add
slaxemulator@260 178 status
slaxemulator@260 179 fi
slaxemulator@260 180
pankso@302 181 # Start all scripts specified with $RUN_SCRIPTS
pankso@302 182 for script in $RUN_SCRIPTS; do
pankso@302 183 echo $(colorize 34 "Processing: /etc/init.d/$script")
pankso@302 184 /etc/init.d/$script
pankso@5 185 done
pankso@5 186
pankso@365 187 # Start X session. Dbus must be started before Xorg and other daemons.
pankso@365 188 # We started it here because X is run before RUN_DAEMONS. Sleep, in
paul@395 189 # some live modes we boot too fast and X can't initialize.
al@393 190 if [ "$SCREEN" != 'text' ] && [ "$LOGIN_MANAGER" ] &&
pascal@385 191 [ -x /usr/bin/tazx ] && [ -s /etc/slitaz/applications.conf ] &&
pankso@365 192 [ -x "/etc/init.d/$LOGIN_MANAGER" ]; then
al@393 193 colorize 36 'Starting X environment...'
pankso@359 194 # We need Xorg 40-Keyboard.conf and SliTaz applications.conf
al@393 195 if [ ! -s '/etc/X11/xorg.conf.d/40-Keyboard.conf' ]; then
al@393 196 echo 'Configuring Xorg server...' && HOME='/root'
pankso@359 197 tazx init
pankso@359 198 fi
pankso@365 199 /etc/init.d/dbus start
pankso@359 200 (sleep 2; /etc/init.d/${LOGIN_MANAGER} start >/dev/null) &
pankso@359 201 fi
pankso@359 202
pankso@302 203 # Start all daemons specified with $RUN_DAEMONS
pankso@302 204 if [ "$RUN_DAEMONS" ]; then
pankso@302 205 colorize 33 "Starting all daemons..."
pankso@302 206 for daemon in $RUN_DAEMONS; do
pascal@385 207 [ -x /etc/init.d/$daemon ] &&
pankso@32 208 /etc/init.d/$daemon start
pankso@302 209 done
pankso@5 210 fi
pankso@5 211
pankso@302 212 # Back to a verbose mode
al@393 213 (sleep 6 && echo '7 4 1 7' > /proc/sys/kernel/printk) &
pankso@302 214
pankso@302 215 if [ "$MESSAGE" ]; then
pankso@302 216 newline
pankso@302 217 colorize 32 "$MESSAGE"
pankso@302 218 fi
pascal@276 219 ;;
pankso@187 220
pascal@276 221 *)
pankso@305 222 # --> readonly --> readwrite
pascal@310 223 if [ ! -s /run/boot.log ]; then
pascal@310 224 # Mount /run as tmpfs runtime data are not written to disk
pascal@310 225 mount -t tmpfs tmpfs /run
pascal@338 226 # cp -a in tazpkg does not support /var/run symlink
pascal@338 227 mount --bind /run /var/run
pankso@306 228 fi
pascal@310 229 /etc/init.d/rcS readonly 2>&1 | tee -a /run/boot.log
pascal@309 230 # Logrotate boot.log
pankso@305 231 last=.9
pankso@305 232 for i in .8 .7 .6 .5 .4 .3 .2 .1 .0 '' ; do
pankso@306 233 mv -f /var/log/boot.log${i} /var/log/boot.log${last} 2>/dev/null
pankso@305 234 last=$i
pankso@305 235 done
pascal@310 236 mv -f /run/boot.log /var/log/boot.log
pascal@308 237 /etc/init.d/rcS readwrite 2>&1 | tee -a /var/log/boot.log ;;
pascal@276 238 esac