From: Marko Ristola <marko.ristola@kolumbus.fi>
Date: 2011-08-07 07:43:01 EDT 
Subject: [PATCH] Xen also uses initramfs not initrd filename

diff --git a/util/grub.d/20_linux_xen.in b/util/grub.d/20_linux_xen.in
--- a/util/grub.d/20_linux_xen.in	2011-05-17 17:10:29 +0000
+++ b/util/grub.d/20_linux_xen.in	2011-09-14 19:02:23 +0000
@@ -154,6 +154,7 @@
 	for i in "initrd.img-${version}" "initrd-${version}.img" \
 	    "initrd-${version}" "initrd.img-${alt_version}" \
 	    "initrd-${alt_version}.img" "initrd-${alt_version}" \
+	    "initramfs-${version}.img" "initramfs-${alt_version}" \
 	    "initramfs-genkernel-${version}" \
 	    "initramfs-genkernel-${alt_version}" ; do
 	    if test -e "${dirname}/${i}" ; then