Index: mkinitrd-6_3_5/livecd/linuxrc.sh
===================================================================
--- mkinitrd-6_3_5/livecd/linuxrc.sh	(Revision 1225)
+++ mkinitrd-6_3_5/livecd/linuxrc.sh	(Arbeitskopie)
@@ -92,6 +92,7 @@
 		rootfs=*) FORCED_ROOTFS="${i#*=}";;
 		init=*) INITEXEC="${i#*=}";;
 		break) BREAK_ENABLED=yes ;;
+		rootdelay=*) ROOTDELAY="${i#*=}";;
 	esac
 done
 
@@ -124,6 +125,12 @@
 	sleep 8
 fi
 
+# respect rootdelay kernel param
+if [ ! -z "${ROOTDELAY}" ]; then
+	echo "-- Requested a rootdelay of ${ROOTDELAY} seconds ..."
+	sleep ${ROOTDELAY}
+fi
+
 # searching cdrom with cdid
 BOOT_DEVICE=""
 FSTYPE=""
@@ -182,14 +189,19 @@
 	done
 	mkdir -p initrd proc tmp sys var/tmp dev media
 
-	# make /sysroot/dev/console & /mnt/dev/null
-	[ ! -e /sysroot/dev/console ] && mknod -m 600 /sysroot/dev/console c 5 1
-	[ ! -e /sysroot/dev/null ] && mknod -m 666 /sysroot/dev/null c 1 3
-	# only to be safe and to have a log channel
-	[ ! -e /sysroot/dev/tty ] && mknod /sysroot/dev/tty c 5 0
-	# busybox needs this one
-	[ ! -e /sysroot/dev/tty5 ] && mknod /sysroot/dev/tty5 c 4 5
-
+	# use devtmpfs if supported
+	if [ "$(grep devtmpfs /proc/filesystems | cut -d$'\t' -f2)" = "devtmpfs" ]
+	then
+		mount -t devtmpfs dev /sysroot/dev
+	else
+		# make /sysroot/dev/console & /mnt/dev/null
+		[ ! -e /sysroot/dev/console ] && mknod -m 600 /sysroot/dev/console c 5 1
+		[ ! -e /sysroot/dev/null ] && mknod -m 666 /sysroot/dev/null c 1 3
+		# only to be safe and to have a log channel
+		[ ! -e /sysroot/dev/tty ] && mknod /sysroot/dev/tty c 5 0
+		# busybox needs this one
+		[ ! -e /sysroot/dev/tty5 ] && mknod /sysroot/dev/tty5 c 4 5
+	fi
 	(cd /sysroot/mnt/cloop; cp -a etc root home var /sysroot)
 
 	# ensure the right permissions
Index: mkinitrd-6_3_5/mkinitrd.in
===================================================================
--- mkinitrd-6_3_5/mkinitrd.in	(Revision 1225)
+++ mkinitrd-6_3_5/mkinitrd.in	(Arbeitskopie)
@@ -809,6 +809,10 @@
 	fi
 done
 
+# respect rootdelay kernel param
+add_initrd 'for i in $(cat /proc/cmdline); do case ${i} in rootdelay=*) ROOTDELAY="${i#*=}";; esac; done'
+add_initrd 'if [ ! -z "${ROOTDELAY}" ]; then echo "-- Requested a rootdelay of ${ROOTDELAY} seconds ..."; sleep ${ROOTDELAY};fi'
+
 # lvm support
 if [ -n "${vg_list}" ]
 then
@@ -850,13 +854,16 @@
 # get the right initexec
 add_initrd "INITEXEC=\"${INITEXEC}\""
 # support init=* from cmdline
-add_initrd 'for i in $(cat /proc/cmdline); do if [[ ${i} = init=* ]]; then INITEXEC=${i/init=}; fi; done'
+add_initrd 'for i in $(cat /proc/cmdline); do case ${i} in init=*) INITEXEC="${i#*=}";; esac; done'
 
 add_initrd 'echo "-- Mounting sysroot ..."'
 add_initrd '. /etc/rootdev'
 add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab'
 add_initrd 'mount /sysroot || ash'
 
+# use devtmpfs if supported
+add_initrd "if [ \"\$(grep devtmpfs /proc/filesystems | cut -d$'\t' -f2)\" = \"devtmpfs\" ]; then mount -t devtmpfs dev /sysroot/dev;fi"
+
 # unset hotplug event-manager
 add_initrd 'echo > /proc/sys/kernel/hotplug'
 
@@ -864,8 +871,8 @@
 add_initrd 'echo 3 > /proc/sys/kernel/printk'
 
 add_initrd 'BREAK_ENABLED=no'
-add_initrd 'for i in $(cat /proc/cmdline); do if [[ ${i} = break ]]; then BREAK_ENABLED=yes; fi; done'
-add_initrd 'if [[ ${BREAK_ENABLED} = yes ]]; then echo "-- Break requested, type 'exit' to resume operation ..."; ash; fi'
+add_initrd 'for i in $(cat /proc/cmdline); do case ${i} in break) BREAK_ENABLED=yes;; esac; done'
+add_initrd 'if [ "${BREAK_ENABLED}" = "yes" ]; then echo "-- Break requested, type 'exit' to resume operation ..."; ash; fi'
 
 add_initrd 'echo "-- Switching to real sysroot ..."'
 add_initrd 'umount /dev'