diff -Nru cloud-utils-0.25/debian/changelog cloud-utils-0.25/debian/changelog
--- cloud-utils-0.25/debian/changelog	2012-02-22 20:52:16.000000000 +0000
+++ cloud-utils-0.25/debian/changelog	2012-02-28 19:40:54.000000000 +0000
@@ -1,3 +1,10 @@
+cloud-utils (0.25-0ubuntu4) precise; urgency=low
+
+  * growpart: invoke sfdisk with '--no-reread' to avoid udev race
+    conditions (LP: #937352)
+
+ -- Scott Moser <smoser@ubuntu.com>  Tue, 28 Feb 2012 14:40:51 -0500
+
 cloud-utils (0.25-0ubuntu3) precise; urgency=low
 
   * growpart: allow output of failed sfdisk to get to user
diff -Nru cloud-utils-0.25/debian/patches/growpart-use-sfdisk-no-reread.patch cloud-utils-0.25/debian/patches/growpart-use-sfdisk-no-reread.patch
--- cloud-utils-0.25/debian/patches/growpart-use-sfdisk-no-reread.patch	1970-01-01 00:00:00.000000000 +0000
+++ cloud-utils-0.25/debian/patches/growpart-use-sfdisk-no-reread.patch	2012-02-28 19:38:41.000000000 +0000
@@ -0,0 +1,33 @@
+------------------------------------------------------------
+revno: 171
+fixes bug: https://launchpad.net/bugs/937352
+committer: Scott Moser <smoser@ubuntu.com>
+branch nick: trunk
+timestamp: Tue 2012-02-28 13:35:56 -0500
+message:
+  growpart: use 'sfdisk --no-reread'
+  
+  sfdisk without --no-reread is basically a race condition waiting to happen.
+  See bug 942788 for more information.
+diff:
+=== modified file 'bin/growpart'
+--- a/bin/growpart	2012-02-22 20:38:35 +0000
++++ b/bin/growpart	2012-02-28 18:35:56 +0000
+@@ -29,7 +29,7 @@
+ cleanup() {
+ 	if [ -n "${RESTORE_FROM}" ]; then
+ 		error "***** WARNING: Resize failed, attempting to revert ******"
+-		if sfdisk "${DISK}" ${CHS} -I "${RESTORE_FROM}"; then
++		if sfdisk --no-reread "${DISK}" ${CHS} -I "${RESTORE_FROM}"; then
+ 			error "***** Appears to have gone OK ****"
+ 		else
+ 			error "***** FAILED! or original partition table looked like: ****"
+@@ -180,7 +180,7 @@
+     exit 0
+ fi
+ 
+-sfdisk "${disk}" ${CHS} --force -O "${orig_bin}" \
++sfdisk --no-reread "${disk}" ${CHS} --force -O "${orig_bin}" \
+ 	< "${new_out}" > "${change_out}" 2>&1 || {
+ 	DISK=${disk}; RESTORE_FROM="${orig_bin}";
+ 	error "attempt to resize ${disk} failed. sfdisk output below:"
diff -Nru cloud-utils-0.25/debian/patches/series cloud-utils-0.25/debian/patches/series
--- cloud-utils-0.25/debian/patches/series	2012-02-22 20:45:54.000000000 +0000
+++ cloud-utils-0.25/debian/patches/series	2012-02-28 19:39:22.000000000 +0000
@@ -1,2 +1,3 @@
 fix-publish-image-ramdisk-none.patch
 growpart-show-sfdisk-error-output.patch
+growpart-use-sfdisk-no-reread.patch