1 files changed, 14 insertions, 0 deletions

diff --git a/recipes-core/initrdscripts/files/init-readonly-rootfs-overlay-boot.sh b/recipes-core/initrdscripts/files/init-readonly-rootfs-overlay-boot.sh
index 66f0cdc..b990344 100644
--- a/recipes-core/initrdscripts/files/init-readonly-rootfs-overlay-boot.sh
+++ b/recipes-core/initrdscripts/files/init-readonly-rootfs-overlay-boot.sh
@@ -77,6 +77,18 @@ log() {
         echo "rorootfs-overlay: $1" >$CONSOLE
 }
 
+wait_for_device() {
+    counter=0
+    while [ ! -b $1 ]; do
+        sleep .100
+        counter=$((counter + 1))
+        if [ $counter -ge 50 ]; then
+            fatal "$1 is not availble"
+            exit
+        fi
+    done
+}
+
 early_setup
 
 [ -z "${CONSOLE+x}" ] && CONSOLE="/dev/console"
@@ -89,6 +101,7 @@ mount_and_boot() {
         # Build mount options for read only root file system.
         # If no read-only device was specified via kernel command line, use
         # current root file system via bind mount.
+    wait_for_device ${ROOT_RODEVICE}
         ROOT_ROMOUNTPARAMS_BIND="-o ${ROOT_ROMOUNTOPTIONS} /"
         if [ -n "${ROOT_RODEVICE}" ]; then
                 ROOT_ROMOUNTPARAMS="-o ${ROOT_ROMOUNTOPTIONS_DEVICE} $ROOT_RODEVICE"
@@ -123,6 +136,7 @@ mount_and_boot() {
         # Build mount options for read write root file system.
         # If a read-write device was specified via kernel command line, use
         # it, otherwise default to tmpfs.
+    wait_for_device ${ROOT_RWDEVICE}
         if [ -n "${ROOT_RWDEVICE}" ]; then
                 
                 ROOT_RWMOUNTPARAMS="-o $ROOT_RWMOUNTOPTIONS_DEVICE $ROOT_RWDEVICE"