diff -Naur dracut-027/lsinitrd.sh dracut-027-busybox/lsinitrd.sh
--- dracut-027/lsinitrd.sh	2013-03-26 15:55:03.000000000 +0000
+++ dracut-027-busybox/lsinitrd.sh	2013-05-07 13:32:56.720000000 +0000
@@ -77,9 +77,8 @@
 CAT=zcat
 FILE_T=$(file --dereference "$image")
 
-if echo "test"|xz|xz -dc --single-stream >/dev/null 2>&1; then
-    XZ_SINGLE_STREAM="--single-stream"
-fi
+# no single-stream support with xz from busybox
+XZ_SINGLE_STREAM=""
 
 if [[ "$FILE_T" =~ :\ gzip\ compressed\ data ]]; then
     CAT=zcat