merge of '65908f491852a7129b196ced660449bcc1933f90'

     and 'a7b7d4700cc3ecf7ecb70b8c6056d4e2dd721550'

6 files changed, 32 insertions, 13 deletions

diff --git a/packages/slugos-init/files/boot/disk b/packages/slugos-init/files/boot/disk
index d47be54c37..63370ce340 100644
--- a/packages/slugos-init/files/boot/disk
+++ b/packages/slugos-init/files/boot/disk
@@ -38,12 +38,13 @@ then
 	# is attempted.
 	if	test -n "$UUID" &&
 		mount "$@" UUID="$UUID" /mnt ||
-		mount "$@" -U "$UUID" /mnt ||
 		mount "$@" "$device" /mnt
 	then
-		# checkmount checks for sh, chroot, init
-		# and /mnt (i.e. /mnt/mnt in this case)
-		if checkmount /mnt
+		# checkmount checks for sh, chroot, init, /dev
+		# and /mnt (i.e. /mnt/mnt in this case).
+		# minimaldevnodes checks (and creates if required)
+		# a few mandatory /dev nodes we may need.
+		if checkmount /mnt && minimaldevnodes /mnt
 		then
 			# pivot to /initrd if available, else /mnt
 			cd /
diff --git a/packages/slugos-init/files/boot/kexec b/packages/slugos-init/files/boot/kexec
index dd757fd771..a60be03142 100644
--- a/packages/slugos-init/files/boot/kexec
+++ b/packages/slugos-init/files/boot/kexec
@@ -91,7 +91,6 @@ if [ -n "$1" -a -n "$2" ] ; then
 			t=`basename "$kpath"`
 			kexec_image="/mnt/$t"
 		    fi
-		    umount /sys
 		fi
 		;;
 
@@ -105,7 +104,6 @@ if [ -n "$1" -a -n "$2" ] ; then
 			t=`basename "$kpath"`
 			kexec_image="/mnt/$t"
 		    fi
-		    umount /sys
 		fi
 		;;
 
@@ -143,7 +141,6 @@ if [ -n "$1" -a -n "$2" ] ; then
 			echo "Loading kexec kernel using tftp \"$kpath\"..."
 			tftp -g -l "$kexec_image" -r "${kpath#*:}" "${kpath%%:*}"
 		    fi
-		    umount /sys
 		fi
 		;;
 
diff --git a/packages/slugos-init/files/boot/network b/packages/slugos-init/files/boot/network
index 8124f19ab2..48aa9dd7d5 100644
--- a/packages/slugos-init/files/boot/network
+++ b/packages/slugos-init/files/boot/network
@@ -24,8 +24,12 @@ ifconfig lo 127.0.0.1 up
 iface="$(config iface)"
 test -z "$iface" && exit 1 
 #
-# Fire up a process in the background to load the firmware if necessary
-sysf="/sys/class/firmware/firmware-$iface"
+# Fire up a process in the background to load the firmware if necessary.
+# If this system doesn't require the NPE-B firmware, no problem, the
+# background process will simply go away in two seconds.  If it requires
+# some other firmware, then modification will be required.  We probably
+# should replace this with mdev or some other hotplug-based technique...
+sysf="/sys/class/firmware/$iface"
 (
 	# Wait for the firware to be requested, if required
 	[ -f $sysf/loading ] || sleep 1
@@ -39,5 +43,9 @@ sysf="/sys/class/firmware/firmware-$iface"
 # Trigger the firmware load proactively
 ifconfig "$iface" up
 #
+# Unmount /sys and /proc before we leave
+umount /sys
+umount /proc
+#
 ifup "$iface"
 # exit code is true only if the interface config has succeeded
diff --git a/packages/slugos-init/files/functions b/packages/slugos-init/files/functions
index 18f4009ee7..5b6b40b091 100644
--- a/packages/slugos-init/files/functions
+++ b/packages/slugos-init/files/functions
@@ -173,6 +173,7 @@ checkmount(){
 	# basic test for init (the kernel will try to load this)
 	# but require a shell in bin/sh too
 	test	\( -d "$1/mnt" \) -a \
+		\( -d "$1/dev" \) -a \
 		\( -x "$1/bin/sh" -o -h "$1/bin/sh" \) -a \
 		\( -x "$1/usr/sbin/chroot" -o -h "$1/usr/sbin/chroot" -o \
 		   -x "$1/sbin/chroot" -o -h "$1/sbin/chroot" \) -a \
@@ -181,6 +182,18 @@ checkmount(){
 		   -x "$1/bin/init" -o -h "$1/bin/init" \)
 }
 #
+# minimaldevnodes "mountpoint"
+#  tests an already mounted mountpoint to see if a very minimal
+#  set of devices exists or can be created in dev, and returns
+#  failure if not.  This is required for booting to an nfsroot
+#  with an empty dev directory, as commonly occurs when the rootfs
+#  is created from a tar.gz image.  This is also required for mdev.
+minimaldevnodes(){
+	[ -c "$1/dev/console" ] || mknod -m 600 "$1/dev/console" c 5 1 || return 1
+	[ -c "$1/dev/null"    ] || mknod -m 666 "$1/dev/null"    c 1 3 || return 1
+	return 0
+}
+#
 # swivel "new root" "old root"
 #  NOTE: the arguments must be paths relative to /, bad things
 #  will happen if the arguments themselves start with /
diff --git a/packages/slugos-init/files/turnup b/packages/slugos-init/files/turnup
index 4aa1fba3ed..2bbc9024ef 100644
--- a/packages/slugos-init/files/turnup
+++ b/packages/slugos-init/files/turnup
@@ -578,7 +578,7 @@ disk() {
 	fso="$(fsoptions "$@")"
 	if	if test -n "$uuid"
 		then
-			mount "$@" UUID="$uuid" "$new" || mount "$@" -U "$uuid" "$new"
+			mount "$@" UUID="$uuid" "$new"
 		else
 			mount "$@" "$device" "$new"
 		fi
@@ -591,7 +591,7 @@ disk() {
 	if test -n "$fst" &&
 		if test -n "$uuid"
 		then
-			mount -t "$fst" -o "$fso" UUID="$uuid" "$new" || mount -t "$fst" -o "$fso" -U "$uuid" "$new"
+			mount -t "$fst" -o "$fso" UUID="$uuid" "$new"
 		else
 			mount -t "$fst" -o "$fso" "$device" "$new"
 		fi
@@ -633,7 +633,7 @@ disk() {
 		then
 			echo "  options used: -t $fst -o $fso [error in this script]" >&2
 			test -n "$uuid" &&
-				echo "  uuid: $uuid (passed with UUID= or -U)" >&2
+				echo "  uuid: $uuid (passed with UUID=<uuid>)" >&2
 		fi
 	fi
 
diff --git a/packages/slugos-init/slugos-init_5.0.bb b/packages/slugos-init/slugos-init_5.0.bb
index 9c50cd61f6..9b7c2cd8d0 100644
--- a/packages/slugos-init/slugos-init_5.0.bb
+++ b/packages/slugos-init/slugos-init_5.0.bb
@@ -4,7 +4,7 @@ PRIORITY = "required"
 LICENSE = "GPL"
 DEPENDS = "base-files devio"
 RDEPENDS = "busybox devio"
-PR = "r0"
+PR = "r1.2"
 
 SRC_URI = "file://boot/flash \
 	   file://boot/disk \