diff --git a/meta/classes/rootfs_deb.bbclass b/meta/classes/rootfs_deb.bbclass
index b1c52f9dd6..8613032f2a 100644
--- a/meta/classes/rootfs_deb.bbclass
+++ b/meta/classes/rootfs_deb.bbclass
@@ -91,8 +91,9 @@ fakeroot rootfs_deb_do_rootfs () {
 	${ROOTFS_POSTPROCESS_COMMAND}
 
 	if ${@base_contains("IMAGE_FEATURES", "read-only-rootfs", "true", "false" ,d)}; then
-		if [ -n "$(delayed_postinsts)" ]; then
-			bberror "Some packages could not be configured offline and rootfs is read-only."
+	        delayed_postinsts="$(delayed_postinsts)"
+		if [ -n "$delayed_postinsts" ]; then
+			bberror "The following packages could not be configured offline and rootfs is read-only: $delayed_postinsts"
 			exit 1
 		fi
 	fi
diff --git a/meta/classes/rootfs_ipk.bbclass b/meta/classes/rootfs_ipk.bbclass
index b0805dc329..6ce3e5d908 100644
--- a/meta/classes/rootfs_ipk.bbclass
+++ b/meta/classes/rootfs_ipk.bbclass
@@ -89,8 +89,9 @@ fakeroot rootfs_ipk_do_rootfs () {
 	${ROOTFS_POSTPROCESS_COMMAND}
 
 	if ${@base_contains("IMAGE_FEATURES", "read-only-rootfs", "true", "false" ,d)}; then
-		if [ -n "$(delayed_postinsts)" ]; then
-			bberror "Some packages could not be configured offline and rootfs is read-only."
+	        delayed_postinsts="$(delayed_postinsts)"
+		if [ -n "$delayed_postinsts" ]; then
+			bberror "The following packages could not be configured offline and rootfs is read-only: $delayed_postinsts"
 			exit 1
 		fi
 	fi
diff --git a/meta/classes/rootfs_rpm.bbclass b/meta/classes/rootfs_rpm.bbclass
index 6c68ac89fb..1a0c2255a9 100644
--- a/meta/classes/rootfs_rpm.bbclass
+++ b/meta/classes/rootfs_rpm.bbclass
@@ -115,8 +115,9 @@ fakeroot rootfs_rpm_do_rootfs () {
 
 	if ${@base_contains("IMAGE_FEATURES", "read-only-rootfs", "true", "false" ,d)}; then
 		if [ -d ${IMAGE_ROOTFS}${sysconfdir}/rpm-postinsts ] ; then
-			if [ "`ls -A ${IMAGE_ROOTFS}${sysconfdir}/rpm-postinsts`" != "" ] ; then
-				bberror "Some packages could not be configured offline and rootfs is read-only."
+		        failed_pkgs=$(ls -A ${IMAGE_ROOTFS}${sysconfdir}/rpm-postinsts)
+			if [ -n "$failed_pkgs" ] ; then
+				bberror "The following post-install scripts could not be run offline and rootfs is read-only: $failed_pkgs"
 				exit 1
 			fi
 		fi