From: Jose V Beneyto <sepen@crux.nu>
Date: Thu, 31 Oct 2013 15:10:46 +0000 (+0000)
Subject: Fixed issue with mdev which does not create block nodes for mmc devices. Also added... 
X-Git-Url: http://gitweb/?a=commitdiff_plain;h=47138301d00f8fe2805bc43168adec3931b421e8;p=initramfs.git

Fixed issue with mdev which does not create block nodes for mmc devices. Also added some improvements related to debug and printk messages, and cleaned up a bit.
---

diff --git a/filesystem/rc b/filesystem/rc
index 42b03d9..5b19485 100755
--- a/filesystem/rc
+++ b/filesystem/rc
@@ -31,7 +31,6 @@ checkReturn() {
 find_and_mount_media() {
 	echo -e " ${BOLD}${BLUE}*${NORM} Searching for the CRUX media..."
 	mkdir -p /media
-	CRUXMEDIA=""
 	MMC_DEVICES="`grep -E 'mmcblk0p' /proc/partitions | awk '{ print $4 }'`"
 	BLOCK_DEVICES="`grep -E '[sh]d' /proc/partitions | awk '{ print $4 }'`"
 	for DEV in $MMC_DEVICES $BLOCK_DEVICES
@@ -44,7 +43,6 @@ find_and_mount_media() {
 			if [ -e /media/crux-media ]
 			then
 				echo ", CRUX media."
-				CRUXMEDIA=$DEV
 				ln -s $DEV /dev/media
 				break
 			else
@@ -105,6 +103,26 @@ echo ""
 
 exec >/dev/console </dev/console 2>&1
 
+# premature mount /proc since we need some rw operations
+echo -e -n " ${BOLD}${BLUE}*${NORM} Mounting "
+echo -e -n "${BOLD}${GREEN}/proc${NORM}"
+mount -t proc proc /proc
+
+if grep -q "debug" /proc/cmdline
+then
+	DEBUG=1
+fi
+
+# dont show kernel printk messages
+PRINTK="`cat /proc/sys/kernel/printk`"
+if [ -z $DEBUG ]
+then
+	echo "0" > /proc/sys/kernel/printk
+fi
+
+echo -e ", ${BOLD}${GREEN}/sys${NORM}."
+mount -t sysfs sysfs /sys
+
 echo -e -n " ${BOLD}${BLUE}*${NORM} Mounting filesystems... "
 mount -a && \
 mount -o remount,rw /
@@ -141,10 +159,18 @@ echo -e -n " ${BOLD}${BLUE}*${NORM} Saving boot messages... "
 dmesg > /var/log/boot
 checkReturn
 
+# run mdev again to fix issues with mmc devices. yeah, it is weird but worked
+mdev -s
+
 echo -e " ${BOLD}${BLUE}*${NORM} Trying to find and mount the media installer..."
 find_and_mount_media
 
-if grep -q debug /proc/cmdline; then
+# debug could be necessary when are working with a new device and/or features
+# and for a weird reason you can't see any output message on the console.
+# You can create a debug.sh script at topdir of your install media and redirect
+# the output to a file to inspect later
+if [ ! -z $DEBUG ];
+then
 	echo -e -n " ${BOLD}${BLUE}*${NORM} Loading debug script..."
 	/media/debug.sh
 	checkReturn
@@ -154,4 +180,7 @@ echo
 echo "The system is coming up. Please wait."
 echo
 
+# restore kernel printk status
+echo "$PRINTK" > /proc/sys/kernel/printk
+
 # End of file