From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by yocto-www.yoctoproject.org (Postfix, from userid 118) id E4DBEE00842; Wed, 30 Jul 2014 09:20:18 -0700 (PDT) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on yocto-www.yoctoproject.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 X-Spam-HAM-Report: * 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider * (pw.marcus[at]laposte.net) * -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no * trust * [80.12.242.132 listed in list.dnswl.org] * -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] Received: from smtp.smtpout.orange.fr (smtp10.smtpout.orange.fr [80.12.242.132]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id 60FE4E006B7 for ; Wed, 30 Jul 2014 09:20:15 -0700 (PDT) Received: from [192.168.1.13] ([90.57.110.212]) by mwinf5d19 with ME id YgLC1o00E4azyAa03gLDbl; Wed, 30 Jul 2014 18:20:13 +0200 X-ME-Helo: [192.168.1.13] X-ME-Auth: Z2lsZXQubWFyY0BvcmFuZ2UuZnI= X-ME-Date: Wed, 30 Jul 2014 18:20:13 +0200 X-ME-IP: 90.57.110.212 Message-ID: <53D91CFA.7070900@laposte.net> Date: Wed, 30 Jul 2014 18:27:38 +0200 From: Marc Gilet User-Agent: Mozilla/5.0 (X11; Linux i686; rv:25.0) Gecko/20100101 Firefox/25.0 SeaMonkey/2.22.1 MIME-Version: 1.0 To: Khem Raj , yocto@yoctoproject.org References: <53D7BA1E.2000301@laposte.net> In-Reply-To: Subject: Re: Waiting for removable media ... X-BeenThere: yocto@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Discussion of all things Yocto Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Jul 2014 16:20:19 -0000 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Le 30/07/2014 07:59, Khem Raj a écrit : > On Tue, Jul 29, 2014 at 8:13 AM, Marc Gilet wrote: >> Hello, >> I'd like to use Yocto with a thinclient (Fujitsu siemens Futro B100) >> I've created a BSP for this platform, and configured the kernel for this >> machine. >> I've built an initramfs and a kernel to boot the thinclient via a PXE >> server, it boots, but the boot process >> hangs with this massage:" Waiting for removable media ..." >> >> Here's what I did: >> >> $ git clone git://git.yoctoproject.org/poky >> $ cd poky/ >> $ source oe-init-build-env >> $ created the BSP with the "yocto-bsp" script >> $ bitbake linux-yocto -c menuconfig (the kernel is configured with >> "CONFIG_DEVTMPFS=y" and "CONFIG_DEVTMPFS_MOUNT=y") >> $ bitbake -k core-image-minimal-initramfs >> >> Does anybody knows where it could come from ? > This is in initramfs startup script see, > recipes-core/initrdscripts/files/init-live.sh > that script is meant for live boot from media. You have to retool it > to fit your boot > environment and method > >> Cheers >> -- >> _______________________________________________ >> yocto mailing list >> yocto@yoctoproject.org >> https://lists.yoctoproject.org/listinfo/yocto I thought about modifying this file (/recipes-core/initrdscripts/files/init-live.sh/) But how ? The boot process is waiting for the rootfs on /dev/sdx... How to change it ? Here's the content of "init-live.sh": ------------------------------------------------------------------------------------------------------------------------------------------------------- /#!/bin/sh PATH=/sbin:/bin:/usr/sbin:/usr/bin ROOT_MOUNT="/rootfs/" ROOT_IMAGE="rootfs.img" MOUNT="/bin/mount" UMOUNT="/bin/umount" ISOLINUX="" ROOT_DISK="" # Copied from initramfs-framework. The core of this script probably should be # turned into initramfs-framework modules to reduce duplication. udev_daemon() { OPTIONS="/sbin/udev/udevd /sbin/udevd /lib/udev/udevd /lib/systemd/systemd-udevd" for o in $OPTIONS; do if [ -x "$o" ]; then echo $o return 0 fi done return 1 } _UDEV_DAEMON=`udev_daemon` early_setup() { mkdir -p /proc mkdir -p /sys mount -t proc proc /proc mount -t sysfs sysfs /sys mount -t devtmpfs none /dev # support modular kernel modprobe isofs 2> /dev/null mkdir -p /run mkdir -p /var/run $_UDEV_DAEMON --daemon udevadm trigger --action=add } read_args() { [ -z "$CMDLINE" ] && CMDLINE=`cat /proc/cmdline` for arg in $CMDLINE; do optarg=`expr "x$arg" : 'x[^=]*=\(.*\)'` case $arg in root=*) ROOT_DEVICE=$optarg ;; rootimage=*) ROOT_IMAGE=$optarg ;; rootfstype=*) modprobe $optarg 2> /dev/null ;; LABEL=*) label=$optarg ;; video=*) video_mode=$arg ;; vga=*) vga_mode=$arg ;; console=*) if [ -z "${console_params}" ]; then console_params=$arg else console_params="$console_params $arg" fi ;; debugshell*) if [ -z "$optarg" ]; then shelltimeout=30 else shelltimeout=$optarg fi esac done } boot_live_root() { # Watches the udev event queue, and exits if all current events are handled udevadm settle --timeout=3 --quiet killall "${_UDEV_DAEMON##*/}" 2>/dev/null # Allow for identification of the real root even after boot mkdir -p ${ROOT_MOUNT}/media/realroot mount -n --move "/run/media/${ROOT_DISK}" ${ROOT_MOUNT}/media/realroot # Move the mount points of some filesystems over to # the corresponding directories under the real root filesystem. for dir in `awk '/\/dev.* \/run\/media/{print $2}' /proc/mounts`; do mkdir -p ${ROOT_MOUNT}/media/${dir##*/} mount -n --move $dir ${ROOT_MOUNT}/media/${dir##*/} done mount -n --move /proc ${ROOT_MOUNT}/proc mount -n --move /sys ${ROOT_MOUNT}/sys mount -n --move /dev ${ROOT_MOUNT}/dev cd $ROOT_MOUNT # busybox switch_root supports -c option exec switch_root -c /dev/console $ROOT_MOUNT /sbin/init $CMDLINE || fatal "Couldn't switch_root, dropping to shell" } fatal() { echo $1 >$CONSOLE echo >$CONSOLE exec sh } early_setup [ -z "$CONSOLE" ] && CONSOLE="/dev/console" read_args echo "Waiting for removable media..." C=0 while true do for i in `ls /run/media 2>/dev/null`; do if [ -f /run/media/$i/$ROOT_IMAGE ] ; then found="yes" ROOT_DISK="$i" break elif [ -f /run/media/$i/isolinux/$ROOT_IMAGE ]; then found="yes" ISOLINUX="isolinux" ROOT_DISK="$i" break fi done if [ "$found" = "yes" ]; then break; fi # don't wait for more than $shelltimeout seconds, if it's set if [ -n "$shelltimeout" ]; then echo -n " " $(( $shelltimeout - $C )) if [ $C -ge $shelltimeout ]; then echo "..." echo "Mounted filesystems" mount | grep media echo "Available block devices" cat /proc/partitions fatal "Cannot find $ROOT_IMAGE file in /run/media/* , dropping to a shell " fi C=$(( C + 1 )) fi sleep 1 done # Try to mount the root image read-write and then boot it up. # This function distinguishes between a read-only image and a read-write image. # In the former case (typically an iso), it tries to make a union mount if possible. # In the latter case, the root image could be mounted and then directly booted up. mount_and_boot() { mkdir $ROOT_MOUNT mknod /dev/loop0 b 7 0 2>/dev/null if ! mount -o rw,loop,noatime,nodiratime /run/media/$ROOT_DISK/$ISOLINUX/$ROOT_IMAGE $ROOT_MOUNT ; then fatal "Could not mount rootfs image" fi if touch $ROOT_MOUNT/bin 2>/dev/null; then # The root image is read-write, directly boot it up. boot_live_root fi # determine which unification filesystem to use union_fs_type="" if grep -q -w "overlayfs" /proc/filesystems; then union_fs_type="overlayfs" elif grep -q -w "aufs" /proc/filesystems; then union_fs_type="aufs" else union_fs_type="" fi # make a union mount if possible case $union_fs_type in "overlayfs") mkdir -p /rootfs.ro /rootfs.rw if ! mount -n --move $ROOT_MOUNT /rootfs.ro; then rm -rf /rootfs.ro /rootfs.rw fatal "Could not move rootfs mount point" else mount -t tmpfs -o rw,noatime,mode=755 tmpfs /rootfs.rw mount -t overlayfs -o "lowerdir=/rootfs.ro,upperdir=/rootfs.rw" overlayfs $ROOT_MOUNT mkdir -p $ROOT_MOUNT/rootfs.ro $ROOT_MOUNT/rootfs.rw mount --move /rootfs.ro $ROOT_MOUNT/rootfs.ro mount --move /rootfs.rw $ROOT_MOUNT/rootfs.rw fi ;; "aufs") mkdir -p /rootfs.ro /rootfs.rw if ! mount -n --move $ROOT_MOUNT /rootfs.ro; then rm -rf /rootfs.ro /rootfs.rw fatal "Could not move rootfs mount point" else mount -t tmpfs -o rw,noatime,mode=755 tmpfs /rootfs.rw mount -t aufs -o "dirs=/rootfs.rw=rw:/rootfs.ro=ro" aufs $ROOT_MOUNT mkdir -p $ROOT_MOUNT/rootfs.ro $ROOT_MOUNT/rootfs.rw mount --move /rootfs.ro $ROOT_MOUNT/rootfs.ro mount --move /rootfs.rw $ROOT_MOUNT/rootfs.rw fi ;; "") mount -t tmpfs -o rw,noatime,mode=755 tmpfs $ROOT_MOUNT/media ;; esac # boot the image boot_live_root } case $label in boot) mount_and_boot ;; install|install-efi) if [ -f /run/media/$i/$ISOLINUX/$ROOT_IMAGE ] ; then ./$label.sh $i/$ISOLINUX $ROOT_IMAGE $video_mode $vga_mode $console_params else fatal "Could not find $label script" fi # If we're getting here, we failed... fatal "Installation image failed" ;; *) # Not sure what boot label is provided. Try to boot to avoid locking up. mount_and_boot ;; esac -------------------------------------------------------------------------------------------------------------------------------------------------------------------- / /Thank's for help Cheers