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Gentoo's Bugzilla – Attachment 327162 Details for
Bug 439214
sys-kernel/genkernel-3.4.44.2 and sys-fs/mdadm-3.2.3-r2; no auto-detection even with mdadm.conf?
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/linuxrc file from initramfs image
busybox.linuxrc (text/plain), 9.94 KB, created by
brent
on 2012-10-22 18:28:52 UTC
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Description:
/linuxrc file from initramfs image
Filename:
MIME Type:
Creator:
brent
Created:
2012-10-22 18:28:52 UTC
Size:
9.94 KB
patch
obsolete
>#!/bin/ash > ># Copyright 1999-2011 Gentoo Foundation ># Distributed under the terms of the GNU General Public License, v2 or later > >export PATH="/usr/sbin:/usr/bin:/sbin:/bin" > >#// Path, basic vars >#//-------------------------------------------------------------------------------- > >BasicSetup() { > #// Copyright year, Build date in YYYYMMDD format, and in MMDDYYYY to make busybox 'date' happy > MYDATE="`/bin/cat /etc/build_date`" > CPYYEAR="$(echo ${MYDATE} | cut -c 1-4)" > BBDATE="$(echo ${MYDATE} | cut -c 5-8)$(echo ${MYDATE} | cut -c 1-4)" > DISDATE="$(echo ${MYDATE} | cut -c 7-8) $(echo ${MYDATE} | cut -c 5-6) $(echo ${MYDATE} | cut -c 1-4)" > > . /etc/initrd.defaults > # Clean input/output > exec >${CONSOLE} <${CONSOLE} 2>&1 >} >#//-------------------------------------------------------------------------------- > > > >#// Startup Tasks >#//-------------------------------------------------------------------------------- > >StartUp() { > if [ ! -f "/tmp/.startup" ]; then > #// Mount proc && sys > mount proc /proc -t proc # /proc > mount sys /sys -t sysfs # /sys > mount mdev /dev -t tmpfs -o size=800k # /dev for mdev > > #// Let busybox build its applets > /bin/busybox --install -s > > #// Create additional mount points > mkdir -m 0755 /dev/pts > mkdir /dev/shm > mkdir -p /mnt/cdrom > mkdir /mnt/floppy > mkdir /mnt/gentoo > mkdir /tmp > > #// Mount remaining filesystems > mount tmp /tmp -t tmpfs # /tmp > mount devpts /dev/pts -t devpts -o gid=5,mode=0620 # /dev/pts > mount shm /dev/shm -t tmpfs -o size=512k # /dev/shm > > #// Create mtab > ln -sf /proc/mounts /etc/mtab # mtab (symlink -> /proc/mounts) > > #// Start mdev > echo "/sbin/mdev" > /proc/sys/kernel/hotplug # mdev handles hotplug events > /sbin/mdev -s # have mdev populate /dev > > #// Create standard (non-mdev) devices > if [ ! -e /dev/md0 ] > then > makedevs /dev/md b 9 0 0 7 > fi > > if [ ! -e /dev/tty0 ] > then > makedevs /dev/tty c 4 0 0 12 > fi > > # We probably don't need any of these anymore with mdev ># makedevs /dev/ptyp c 2 0 0 9 ># makedevs /dev/ttyp c 3 0 0 9 ># makedevs /dev/ttyq c 3 16 0 9 ># makedevs /dev/ttyS c 4 64 0 3 ># mknod /dev/console c 5 1 ># mknod /dev/kmsg c 1 11 ># mknod /dev/null c 1 3 ># mknod /dev/tty c 5 0 ># mknod /dev/urandom c 1 9 ># ln -s /dev/urandom /dev/random ># mknod /dev/zero c 1 5 > > #// Create std* devices > ln -snf /proc/self/fd /dev/fd > ln -snf /proc/self/fd/0 /dev/stdin > ln -snf /proc/self/fd/1 /dev/stdout > ln -snf /proc/self/fd/2 /dev/stderr > > #// Make some misc directories > mkdir /var/log > mkdir /var/run > > #// Start a minimal logger > klogd > syslogd > > #// Hostname > hostname netboot > > if [ -n "`which dropbear 2>/dev/null`" ] > then > # Setup dropbear (sshd) > echo -e "" > mkdir /etc/dropbear > echo -e ">>> Generating RSA hostkey ..." > dropbearkey -t rsa -f /etc/dropbear/dropbear_rsa_host_key > echo -e "" > echo -e ">>> Generating DSS hostkey ..." > dropbearkey -t dss -f /etc/dropbear/dropbear_dss_host_key > echo -e "" > dropbear > fi > > #// Misc tasks > chmod +x /bin/net-setup > chmod +x /bin/ashlogin > fi >} > >#//-------------------------------------------------------------------------------- > > > >#// Informative Message (copied from Gentoo /sbin/functions.sh) >#//-------------------------------------------------------------------------------- > >#// show an informative message (with a newline) >einfo() { > echo -e " * ${*}" > return 0 >} > >#//-------------------------------------------------------------------------------- > > > >#// Determine Mips Machine Type >#//-------------------------------------------------------------------------------- > >DetectMips() { > MYARCH="MIPS" > MACHINFO="$(cat /proc/cpuinfo | grep "system type" | tr -d "\t" | sed -e "s/: /:/g" | cut -d":" -f2)" > CPUINFO="$(cat /proc/cpuinfo | grep "cpu model" | tr -d "\t" | sed -e "s/: /:/g" | cut -d":" -f2)" > case "${MACHINFO}" in > "SGI Indy") MACHTYPE="SGI Indy" ;; # Indy R4x00/R5000 > "SGI Indigo2") > case "${CPUINFO}" in > R4*) MACHTYPE="SGI Indigo2" ;; # I2 R4x00 > R8*) MACHTYPE="SGI Indigo2 Power" ;; # I2 R8000 > R10*) MACHTYPE="SGI Indigo2 Impact" ;; # I2 R10000 > esac > ;; > "SGI O2"|"SGI IP32") MACHTYPE="SGI O2" ;; # O2 R5K/RM5K2/RM7K/R10K/R12K > "SGI Octane"|"SGI IP30") MACHTYPE="SGI Octane" ;; # Octane R10K/R12K/R14K > "SGI Origin"|"SGI IP27") MACHTYPE="SGI Origin" ;; # Origin 200/2000 R10K/R12K > "MIPS Cobalt"|*RaQ*|*Qube*) MACHTYPE="Cobalt Microserver" ;; # Cobalt Qube/RaQ (1/2) > *) MACHTYPE="Unknown MIPS" ;; # ??? > esac >} > >#//-------------------------------------------------------------------------------- > > > >#// Determine Sparc Machine Type >#//-------------------------------------------------------------------------------- > >DetectSparc() { > MYARCH="SPARC" > MACHINFO="$(cat /proc/cpuinfo | grep "type" | tr -d "\t" | sed -e "s/: /:/g" | cut -d":" -f2)" > > case "${MACHINFO}" in > sun4u) MACHTYPE="Sun UltraSparc" ;; # Sparc64 > sun4c|sun4d|sun4m) MACHTYPE="Sun Sparc32" ;; # Sparc32 > *) MACHTYPE="Unknown SPARC" ;; # ??? > esac >} > >#//-------------------------------------------------------------------------------- > > > >#// Determine Ppc Machine Type >#//-------------------------------------------------------------------------------- > >DetectPpc() { > MACHINFO="$(cat /proc/cpuinfo | grep "machine" | tr -d "\t" | sed -e "s/: /:/g" | cut -d":" -f2)" > > case "${ARCHINFO}" in > ppc) > MYARCH="PPC" > case "${MACHINFO}" in > PowerMac*) MACHTYPE="Apple PowerMac" ;; # PowerMac > PowerBook*) MACHTYPE="Apple PowerBook" ;; # PowerBook > "CHRP Pegasos") MACHTYPE="Pegasos" ;; # Pegasos > CHRP*|PReP) MACHTYPE="IBM PPC-Based" ;; # IBM PPC > Amiga) MACHTYPE="Amiga" ;; # Amiga > *) MACHTYPE="Unknown PPC" ;; # ??? > esac > ;; > > ppc64) > MYARCH="PPC64" > case "${MACHINFO}" in > PowerMac*) MACHTYPE="Apple G5" ;; # Apple G5 > CHRP*|PReP) MACHTYPE="IBM PPC-Based" ;; # IBM PPC > *iSeries*) MACHTYPE="iSeries (Old)" ;; # Old iSeries > *) MACHTYPE="Unknown PPC64" ;; # ??? > esac > ;; > esac >} > >#//-------------------------------------------------------------------------------- > > > >#// Discover if the network is already running for us or not >#//-------------------------------------------------------------------------------- > >DetectNetwork() { > if [ ! -f "/tmp/.startup" ]; then > #// If this image is loaded via NFS Root, chances are the network is autoconfigured for us > if [ ! -z "$(ifconfig | grep "eth0")" ]; then > MYIP="$(ifconfig | grep "inet addr" | cut -d":" -f2 | cut -d" " -f1 | head -n 1)" > MYGW="$(route | grep default | cut -d" " -f10)" > fi > fi >} > >#//-------------------------------------------------------------------------------- > > > >#// For those in the Church of the SubGenius... >#//-------------------------------------------------------------------------------- > >SubGenius() { > BUILDDATE="Build Date: $(date -d ${BBDATE} +"%B %d, %Y")" > for CMDLINE in $(cat /proc/cmdline); do > if [ "${CMDLINE}" = "discord" ]; then > BUILDDATE="$(ddate +'Built on %{%A, the %e day of %B%} in the YOLD %Y. %NCelebrate %H!' ${DISDATE})" > fi > done >} >#//-------------------------------------------------------------------------------- > > > >#// Basic Startup Stuff >#//-------------------------------------------------------------------------------- > >GenMotd() { > echo -e "" > /etc/motd > echo -e "" >> /etc/motd > echo -e "Gentoo Linux; http://www.gentoo.org/" >> /etc/motd > echo -e " Copyright 2001-${CPYYEAR} Gentoo Foundation; Distributed under the GPL" >> /etc/motd > echo -e "" >> /etc/motd > echo -e " Gentoo/${MYARCH} Netboot for ${MACHTYPE} Systems" >> /etc/motd > echo -e " ${BUILDDATE}" >> /etc/motd > echo -e "" >> /etc/motd > > #// If this is the initial startup, then display some messages, otherwise just execute a shell for the user > if [ ! -f "/tmp/.startup" ]; then > if [ -z "${MYIP}" ]; then > einfo "To configure networking (eth0), do the following:" > /etc/motd2 > echo -e "" >> /etc/motd2 > einfo "For Static IP:" >> /etc/motd2 > einfo "/bin/net-setup <IP Address> <Gateway Address>" >> /etc/motd2 > echo -e "" >> /etc/motd2 > einfo "For Dynamic IP:" >> /etc/motd2 > einfo "/bin/net-setup dhcp" >> /etc/motd2 > echo -e "" >> /etc/motd2 > else > echo -e "" > /etc/motd2 > einfo "Network interface eth0 has been started:" >> /etc/motd2 > einfo " IP Address: ${MYIP}" >> /etc/motd2 > einfo " Gateway: ${MYGW}" >> /etc/motd2 > echo -e "" >> /etc/motd2 > einfo "An sshd server is available on port 22. Please set a root" >> /etc/motd2 > einfo "password via \"passwd\" before using." >> /etc/motd2 > echo -e "" >> /etc/motd2 > fi > fi >} > >#//-------------------------------------------------------------------------------- > > > >#// Display Motd >#//-------------------------------------------------------------------------------- > >DisplayMotd() { > cat /etc/motd > [ -f "/etc/motd2" ] && cat /etc/motd2 >} > >#//-------------------------------------------------------------------------------- > > > >#// Launch Shell >#//-------------------------------------------------------------------------------- > >LaunchShell() { > #// Completed Startup > touch /tmp/.startup > > for i in 2 3 4 5 6; do > getty -n -l /bin/ashlogin 38400 tty${i} & > done > ># # We run the getty for tty1 in the foreground so our pid 1 doesn't end ># getty -n -l /bin/ashlogin 38400 tty1 > > # We were running the above code, but that doesn't work well on serial. Until > # we can autodetect a serial console and start a getty there, we'll just run > # ash on /dev/console > /bin/ash >} > >#//-------------------------------------------------------------------------------- > > > >#// Main >#//-------------------------------------------------------------------------------- > >BasicSetup >StartUp > >#// Detect Arch >ARCHINFO="$(uname -m)" >case "${ARCHINFO}" in > mips*) DetectMips ;; > sparc*) DetectSparc > mount -t openpromfs openprom /proc/openprom > ;; > ppc*) DetectPpc ;; > *) MACHTYPE=$ARCHINFO ;; >esac > >DetectNetwork >SubGenius >GenMotd >DisplayMotd >LaunchShell > >#//-------------------------------------------------------------------------------- >
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bug 439214
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