From ce04ef47e2ef22cc3886b88beba2e58e8d115702 Mon Sep 17 00:00:00 2001
From: Colin Watson <cjwatson@ubuntu.com>
Date: Sun, 1 Aug 2010 08:54:10 -0500
Subject: [PATCH] * util/grub.d/20_linux_xen.in: Don't use UUID for LVM root
 (matching util/grub.d/10_linux.in).  Fixes Debian bug #591093.

---
 ChangeLog                   | 5 +++++
 util/grub.d/20_linux_xen.in | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index f34ed35c9..abe698574 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-08-01  Colin Watson  <cjwatson@ubuntu.com>
+
+	* util/grub.d/20_linux_xen.in: Don't use UUID for LVM root (matching
+	util/grub.d/10_linux.in).  Fixes Debian bug #591093.
+
 2010-08-01  Robert Millan  <rmh@gnu.org>
 
 	* kern/emu/getroot.c: Include `<grub/util/misc.h>'.
diff --git a/util/grub.d/20_linux_xen.in b/util/grub.d/20_linux_xen.in
index 8612c96b0..e631c0a4a 100644
--- a/util/grub.d/20_linux_xen.in
+++ b/util/grub.d/20_linux_xen.in
@@ -44,7 +44,8 @@ case ${GRUB_DEVICE} in
 esac
 
 if [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \
-    || ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" ; then
+    || ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \
+    || uses_abstraction "${GRUB_DEVICE}" lvm; then
   LINUX_ROOT_DEVICE=${GRUB_DEVICE}
 else
   LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID}