X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=linuxrc;h=86f67afd90ffee4ee45f325cf10f52ff19e370b3;hb=559863afb712909182902fce8787b3b7b62812fd;hp=09e05fff6536646b3be999951484d73ddface251;hpb=184a9d3153e3fae4fa1ea20a186c12e9c0a83db2;p=grml-terminalserver.git diff --git a/linuxrc b/linuxrc index 09e05ff..86f67af 100755 --- a/linuxrc +++ b/linuxrc @@ -2,7 +2,7 @@ # Filename: /linuxrc # Purpose: minirt for kernel 2.6 running on grml live-cd # Authors: (c) Klaus Knopper , (c) Michael Prokop -# Latest change: Don Nov 16 19:08:07 CET 2006 [mika] +# Latest change: Tue Mar 27 23:05:51 CEST 2007 ####################################################################################### # hardcoded configurable options @@ -183,7 +183,7 @@ echo "" echo "${WHITE}grml.org - Linux for users of texttools and sysadmins." echo "${NORMAL}" -# We only need the builtin commands and /static at this point +# We need the builtin commands and /static only starting at this point PATH=/static export PATH @@ -216,6 +216,10 @@ GRML_NAME="GRML" case "$CMDLINE" in *grml_dir=*) GRML_DIR="$grml_dir"; ;; esac case "$CMDLINE" in *grml_name=*) GRML_NAME="$grml_name"; ;; esac +# NFS +for i in $cmdline; do case "$i" in nfsdir=*|NFSDIR=*) eval $i;; esac; done +[ -n "$nfsdir" ] && NFS="$nfsdir" + if [ -n "$DEBUG" ]; then log_begin_msg "Bootoption debug detected. Printing kernel command line:" echo "" @@ -287,7 +291,7 @@ loadmodules(){ echo "" for i in "$@"; do echo -n " Probing ${TYPE}... ${WHITE}$i${NORMAL}: " - if test -f /modules/scsi/$i.ko && $INSMOD -f /modules/scsi/$i.ko >/dev/null 2>&1 && echo " $SUCCESS" || echo " failed " ; then + if test -f /modules/scsi/$i.ko && $INSMOD /modules/scsi/$i.ko >/dev/null 2>&1 && echo " $SUCCESS" || echo " failed " ; then case "$TYPE" in scsi|SCSI) FOUND_SCSI="yes"; ;; esac fi done @@ -350,7 +354,7 @@ fi if test -z "$NOSCSI" ; then log_begin_msg "Scanning for SCSI devices." - $INSMOD -f /modules/scsi/firmware_class.ko 1>/dev/null + $INSMOD /modules/scsi/firmware_class.ko 1>/dev/null test -n "$MODULES" && loadmodules SCSI $MODULES && echo -n "" || echo " ${BLUE}[${NORMAL} none found ${BLUE}]${NORMAL} (try bootoption scsi=probe)" else log_warn_msg "Not scanning for SCSI devices as requested on commandline." && echo " $SUCCESS" @@ -361,10 +365,10 @@ if checkbootparam scsi ; then if test "$MODULE" = "probe" ; then log_begin_msg "Bootoption scsi=probe found. Trying to autoprobe SCSI modules:" echo "" - echo -n " Trying to load scsi_debug: " ; $INSMOD -f /modules/scsi/scsi_debug.ko 1>/dev/null && echo " $SUCCESS" || echo " [ failed ]" + echo -n " Trying to load scsi_debug: " ; $INSMOD /modules/scsi/scsi_debug.ko 1>/dev/null && echo " $SUCCESS" || echo " [ failed ]" for module in /modules/scsi/*.ko ; do echo -n " Probing ${WHITE}${module}${NORMAL}..." - $INSMOD -f ${module} >/dev/null 2>&1 && echo " $SUCCESS" || echo " [ failed ]" + $INSMOD ${module} >/dev/null 2>&1 && echo " $SUCCESS" || echo " [ failed ]" done elif test "$MODULE" = "ask" ; then askmodules SCSI $(cd /modules/scsi; echo *.ko) @@ -372,7 +376,7 @@ if checkbootparam scsi ; then else [ -n "$MODULE" ] || echo " ${RED}Neither a specific module nor option probe nor option ask for SCSI module given. Skipping.${NORMAL}" [ -n "$MODULE" ] && echo -n " Trying to load module ${WHITE}${MODULE}${NORMAL}:" ; \ - $INSMOD -f "/modules/scsi/${MODULE}.ko" 1>/dev/null && echo " $SUCCESS" || echo " [ failed ]" + $INSMOD "/modules/scsi/${MODULE}.ko" 1>/dev/null && echo " $SUCCESS" || echo " [ failed ]" fi fi # End of SCSI check @@ -382,7 +386,7 @@ if test -n "$VMWARE" ; then echo "" for module in mptbase mptscsih mptspi BusLogic ; do echo -n " Trying to load ${WHITE}${module}${NORMAL}: " - $INSMOD -f /modules/scsi/${module}.ko >/dev/null 2>&1 && echo " $SUCCESS" || echo " [ failed ]" + $INSMOD /modules/scsi/${module}.ko >/dev/null 2>&1 && echo " $SUCCESS" || echo " [ failed ]" done fi @@ -419,7 +423,7 @@ fi if test -z "$NOFIREWIRE" ; then log_begin_msg "Checking for Firewire." if test -f /modules/div/ieee1394.ko ; then - $insmoD /modules/div/ieee1394.ko > /dev/null 2>&1 + $INSMOD /modules/div/ieee1394.ko > /dev/null 2>&1 FOUNDFIREWIRE="" test -f /modules/div/ohci1394.ko && $INSMOD /modules/div/ohci1394.ko > /dev/null 2>&1 && FOUNDFIREWIRE="yes" if test -n "$FOUNDFIREWIRE" ; then @@ -458,11 +462,11 @@ fi # boot via pcmcia if checkbootparam bootpcmcia ; then log_begin_msg "Bootoption bootpcmcia found. Trying to load ${WHITE}PCMCIA${NORMAL} modules..." - if $INSMOD -f /modules/div/pcmcia_core.ko 1>/dev/null ; then - $INSMOD -f /modules/div/firmware_class.ko 1>/dev/null && \ - $INSMOD -f /modules/div/pcmcia.ko 1>/dev/null && \ - $INSMOD -f /modules/div/rsrc_nonstatic.ko 1>/dev/null && \ - $INSMOD -f /modules/div/yenta_socket.ko 1>/dev/null && echo " $SUCCESS" + if $INSMOD /modules/div/pcmcia_core.ko 1>/dev/null ; then + $INSMOD /modules/div/firmware_class.ko 1>/dev/null && \ + $INSMOD /modules/div/pcmcia.ko 1>/dev/null && \ + $INSMOD /modules/div/rsrc_nonstatic.ko 1>/dev/null && \ + $INSMOD /modules/div/yenta_socket.ko 1>/dev/null && echo " $SUCCESS" else echo " [ failed ]" fi @@ -508,44 +512,28 @@ esac stage=2 rundebugshell -# NFS -for i in $cmdline; do case "$i" in nfsdir=*|NFSDIR=*) eval $i;; esac; done -[ -n "$nfsdir" ] && NFS="$nfsdir" if [ -n "$NFS" ]; then tmp_="$(getbootparam nfsdir)" log_begin_msg "Bootoption NFS found." ; echo "$SUCCESS" - # put the mylibs into /lib for discover and udhcpc - cdir - - # starting hw-detection for network card - currently broken, so don't use it - # echo "Starting hw-detection" - # kernel_version_=`uname -r` - # modules_to_load=$(/static/discover --disable-bus all --enable-bus pci --type network --normalize-whitespace --data-path=linux/module/name --data-version=$kernel_version_ | grep -v '^ $' | uniq) - # echo "trying to load the following network modules: \"$modules_to_load\"" + /static/cdir - KERNELVER=`uname -r` - for mod in `find /lib/modules/$KERNELVER/kernel/drivers/net/ -name \*.ko` ; do - echo `basename $mod | sed -e 's/\.ko$//'` >> /modules.load - done - modules_to_load=`cat /modules.load | xargs` - - # FIXME modprobe is buggy from busybox log_begin_msg "Trying to load network driver(s)." ; echo modLoad() { for mod in $@ ; do - tmp_="`modprobe -vn $mod 2>/dev/null`" - if [ $? -ne 0 ]; then - continue + if [ -n "$DEBUG" ] ; then + echo "Debug: trying to load $mod:" + modprobe -v $mod + else + modprobe $mod 2>/dev/null fi - # be quiet by default, be verbose only with bootoption debuglinuxrc - [ -n "$DEBUG" ] && eval "$tmp_" || eval "$tmp_" 1>/dev/null 2>/dev/null done } - modLoad "$modules_to_load" - rm -f /modules.load - + # modules.alias and modules.dep are in place so USE IT :)! + find /sys/devices/ -name modalias |/static/xargs -r /static/grep -h pci: |while read i; do + modLoad "$i" + done # loading additional modules modLoad sunrpc lockd af_packet nfs @@ -554,6 +542,12 @@ if [ -n "$NFS" ]; then dhcp_iface_=`ifconfig -a | grep '^eth' | sed 's/ .*//'` fi + # make sure we have a udhcpc executable, if it's not present + # assume that busybox provides one + if ! [ -x /static/udhcpc ] ; then + ln -s /static/busybox /static/udhcpc + fi + for INTERFACE in $dhcp_iface_ ; do log_begin_msg "Requesting network configuration using udhcp for ${INTERFACE}:" ; echo /static/timeout 10 /static/udhcpc --interface="${INTERFACE}" --foreground --quit --script=/static/udhcp-config.sh @@ -561,9 +555,8 @@ if [ -n "$NFS" ]; then # sh done - # recreate the old dir structures - rdir - #rm -rf /myusr /mylib + # recreate dir layout + remove extra modules + /static/rdir log_begin_msg "Looking for GRML in: ${MAGENTA}$NFS${NORMAL}" ; echo "$SUCCESS" if mount -t nfs "$NFS" -o "async,ro,nolock" /cdrom #>/dev/null 2>&1 @@ -645,7 +638,7 @@ boot_from() # load filesystems /GRML/sbin/modprobe fuse /GRML/sbin/modprobe ntfs - $INSMOD -f /modules/div/ntfs.ko 1>/dev/null + $INSMOD /modules/div/ntfs.ko 1>/dev/null if [ -n "$ISO_PATH" ]; then LOOP_SOURCE="$TARGET.loop" @@ -807,17 +800,24 @@ if test -n "$DO_REMOUNT" -a -n "$FOUND_GRML" ; then fi # Final test if everything succeeded. -if test -n "$FOUND_GRML" -then +if test -n "$FOUND_GRML" ; then # copy library cache cat /GRML/etc/ld.so.cache > /etc/ld.so.cache UNIONFS="" -$INSMOD /modules/unionfs.ko 1>/dev/null -grep -q unionfs /proc/filesystems && UNIONFS=yes - -# Enable kernel messages -echo "6" > /proc/sys/kernel/printk +if checkbootparam "unionfs" ; then + $INSMOD /modules/unionfs.ko 1>/dev/null + grep -q unionfs /proc/filesystems && UNIONFS=yes + unionfs='unionfs' + UNIONFS_FILETYPE='unionfs' + AUFS='' +else + $INSMOD /modules/aufs.ko 1>/dev/null + grep -q aufs /proc/filesystems && UNIONFS=yes + unionfs='unionfs (using aufs)' + UNIONFS_FILETYPE='aufs' + AUFS='yes' +fi # Set paths log_begin_msg "Setting paths" @@ -855,7 +855,11 @@ FOUNDMEM="$(awk '/MemTotal/{print $2}' /proc/meminfo)" TOTALMEM="$(awk 'BEGIN{m=0};/MemFree|Cached/{m+=$2};END{print m}' /proc/meminfo)" # Be verbose -log_begin_msg "Total memory found: $FOUNDMEM kB" ; echo " $SUCCESS" +if [ -n "$FOUNDMEM" ] ; then + log_begin_msg "Total memory found: $FOUNDMEM kB" ; echo " $SUCCESS" +else + log_failure_msg "Could not fetch memory information." ; echo " $FAILED" +fi # Now we need to use a little intuition for finding a ramdisk size # that keeps us from running out of space, but still doesn't crash the @@ -866,42 +870,55 @@ MINSIZE=20000 # At least this much memory minus 30% should remain when home and var are full. MINLEFT=16000 # Maximum ramdisk size -MAXSIZE="$(expr $TOTALMEM - $MINLEFT)" +[ -n "$TOTALMEM" ] && MAXSIZE="$(/usr/bin/expr $TOTALMEM - $MINLEFT)" # Default ramdisk size for ramdisk -RAMSIZE="$(expr $TOTALMEM / 5)" +[ -n "$TOTALMEM" ] && RAMSIZE="$(/usr/bin/expr $TOTALMEM / 5)" # Create additional dynamic ramdisk. test -z "$RAMSIZE" -o "$RAMSIZE" -lt "$MINSIZE" && RAMSIZE="$MINSIZE" mkdir -p /ramdisk # tmpfs/varsize version, can use swap -RAMSIZE=$(expr $RAMSIZE \* 4) +RAMSIZE=$(/usr/bin/expr $RAMSIZE \* 4) log_begin_msg "Creating /ramdisk (dynamic size=${RAMSIZE}k) on shared memory" # We need /bin/mount here for the -o size= option /bin/mount -t tmpfs -o "size=${RAMSIZE}k" /ramdisk /ramdisk && echo "$SUCCESS" -mkdir -p /ramdisk/tmp /ramdisk/home/grml && chmod 1777 /ramdisk/tmp && chown grml.grml /ramdisk/home/grml && ln -snf /ramdisk/home /home && mv /tmp /tmp.old && ln -s /ramdisk/tmp /tmp && rm -rf /tmp.old +mkdir -p /ramdisk/tmp /ramdisk/home/grml && chmod 1777 /ramdisk/tmp && chown grml.grml /ramdisk/home/grml && ln -snf /ramdisk/home /home && /bin/mv /tmp /tmp.old && ln -s /ramdisk/tmp /tmp && rm -rf /tmp.old stage=3 rundebugshell # unionfs -log_begin_msg "Creating unionfs and symlinks on ramdisk" +log_begin_msg "Creating $unionfs and symlinks on ramdisk" mkdir -p /UNIONFS -if test -n "$UNIONFS" && /bin/mount -t unionfs -o noatime${SECURE},dirs=/ramdisk=rw:/GRML=ro /UNIONFS /UNIONFS; then +if test -n "$UNIONFS" && /bin/mount -t $UNIONFS_FILETYPE -o noatime${SECURE},dirs=/ramdisk=rw:/GRML=ro /UNIONFS /UNIONFS ; then + # check architecture + if [ -f /GRML/lib/ld-linux.so.2 ] ; then + LDLINUX=/GRML/lib/ld-linux.so.2 + GRMLLIB=/GRML/lib + elif [ -f /GRML/lib64/ld-linux-x86-64.so.2 ] ; then + LDLINUX=/GRML/lib64/ld-linux-x86-64.so.2 + EMUL='emul' + LIB64='lib64' + GRMLLIB=/GRML/lib64 + fi # We now have unionfs, copy some data from the initial ramdisk first cp -a /etc/fstab /etc/auto.mnt /etc/filesystems /etc/mtab /UNIONFS/etc/ # disable resolvconf on the terminalserver client - rm /UNIONFS/etc/resolv.conf - cp -a /etc/resolv.conf /UNIONFS/etc - echo REPORT_ABSENT_SYMLINK=no >> /UNIONFS/etc/default/resolvconf - for i in bin boot etc sbin var lib opt root usr; do # Move directories to unionfs + if [ -n "$NFS" ] ; then + rm /UNIONFS/etc/resolv.conf + cp -a /etc/resolv.conf /UNIONFS/etc + echo REPORT_ABSENT_SYMLINK=no >> /UNIONFS/etc/default/resolvconf + fi + for i in bin boot etc sbin var opt root usr $EMUL $LIB64 lib ; do # Move directories to unionfs if test -d /$i; then - mv /$i /$i.old && \ - /GRML/lib/ld-linux.so.2 --library-path /GRML/lib /GRML/bin/ln -snf /UNIONFS/$i /$i && \ + /bin/mv /$i /$i.old && \ + # /GRML/lib/ld-linux.so.2 --library-path /GRML/lib /GRML/bin/ln -snf /UNIONFS/$i /$i && \ + $LDLINUX --library-path $GRMLLIB /GRML/bin/ln -snf /UNIONFS/$i /$i 1>/dev/null 2>/dev/null rm -rf /$i.old else ln -snf /UNIONFS/$i /$i fi done - echo " $SUCCESS" + [ -n "$AUFS" ] && echo " $SUCCESS" || echo " $SUCCESS" log_begin_msg "Merging read-only system with read-writeable /ramdisk." for i in $(cd /UNIONFS; echo *); do # Create links for new stuff on /UNIONFS test "$i" = "home" -o "$i" = "tmp" && continue @@ -911,8 +928,10 @@ else echo "" log_failure_msg "ERROR: CANNOT UNITE READ-ONLY MEDIA AND INITIAL RAMDISK!" echo "$FAILED" - NOUNIONFS="yes" - /GRML/sbin/halt -f -n + sleep 2 + echo "Can not continue booting, dropping you to a busybox shell." + stage=4 + rundebugshell fi chown grml.grml /home/grml @@ -950,12 +969,12 @@ echo "/sbin/modprobe" > /proc/sys/kernel/modprobe # Change root device from /dev/fd0 to /dev/ram0 echo "0x100" > /proc/sys/kernel/real-root-dev -umount /sys # (remount in grml-autoconfig) +/bin/umount /sys # (remount in grml-autoconfig) stage=4 rundebugshell # Give control to the init process. -log_begin_msg "Starting init process." +log_begin_msg "Starting init process. " [ -r /mountit ] && rm -f /mountit rm -f /linuxrc exit 0