diff --git a/0045-don-t-specify-p-as-a-separator-for-dmraid-arrays-RHB.patch b/0045-don-t-specify-p-as-a-separator-for-dmraid-arrays-RHB.patch
new file mode 100644
index 0000000..0d7b94f
--- /dev/null
+++ b/0045-don-t-specify-p-as-a-separator-for-dmraid-arrays-RHB.patch
@@ -0,0 +1,38 @@
+From 96dd416ac2ea8ea0f5bbbdce2abafbbce84f0ad6 Mon Sep 17 00:00:00 2001
+From: Adam Williamson <awilliam@redhat.com>
+Date: Wed, 22 May 2013 13:56:58 -0700
+Subject: [PATCH 45/45] don't specify "p" as a separator for dmraid arrays
+ (RHBZ #966162)
+
+As per RHBZ #966162, parted stopped unconditionally using "p" as a
+separator for dmraid device names in version 3.1, so other things need
+to fall in line with that convention now.
+---
+ modules.d/90dmraid/dmraid.sh | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/modules.d/90dmraid/dmraid.sh b/modules.d/90dmraid/dmraid.sh
+index 68e0515..3753ddd 100755
+--- a/modules.d/90dmraid/dmraid.sh
++++ b/modules.d/90dmraid/dmraid.sh
+@@ -28,7 +28,7 @@ if [ -n "$DM_RAIDS" ] || getargbool 0 rd.auto; then
+                 if [ "${s##$r}" != "$s" ]; then
+                     info "Activating $s"
+                     dmraid -ay -i -p --rm_partitions "$s" 2>&1 | vinfo
+-                    [ -e "/dev/mapper/$s" ] && kpartx -a -p p "/dev/mapper/$s" 2>&1 | vinfo
++                    [ -e "/dev/mapper/$s" ] && kpartx -a "/dev/mapper/$s" 2>&1 | vinfo
+                     udevsettle
+                 fi
+             done
+@@ -38,7 +38,7 @@ if [ -n "$DM_RAIDS" ] || getargbool 0 rd.auto; then
+         for s in $SETS; do
+             info "Activating $s"
+             dmraid -ay -i -p --rm_partitions "$s" 2>&1 | vinfo
+-            [ -e "/dev/mapper/$s" ] && kpartx -a -p p "/dev/mapper/$s" 2>&1 | vinfo
++            [ -e "/dev/mapper/$s" ] && kpartx -a "/dev/mapper/$s" 2>&1 | vinfo
+         done
+     fi
+ 
+-- 
+1.8.2.1
+
diff --git a/dracut.spec b/dracut.spec
index 2900710..38dd7a7 100644
--- a/dracut.spec
+++ b/dracut.spec
@@ -10,7 +10,7 @@
 
 Name: dracut
 Version: 027
-Release: 45.git20130430%{?dist}
+Release: 46.git20130430%{?dist}
 
 Summary: Initramfs generator using udev
 %if 0%{?fedora} || 0%{?rhel}
@@ -73,6 +73,10 @@ Patch41: 0041-dracut-install-make-use-of-_cleanup_-macros.patch
 Patch42: 0042-_emergency_shell-Show-current-working-directory-corr.patch
 Patch43: 0043-test-use-grep-option-F-and-install-etc-os-release.patch
 Patch44: 0044-zfcp-match-udev-rule-against-KERNEL-zfcp.patch
+# Don't specify 'p' as a separator for dmraid; see #966162. Generated in
+# sequence with the above patches against dracut HEAD of 2013-05-22, will
+# send to harald. -adamw
+Patch45: 0045-don-t-specify-p-as-a-separator-for-dmraid-arrays-RHB.patch
 
 
 BuildRequires: dash bash git
@@ -481,6 +485,10 @@ rm -rf $RPM_BUILD_ROOT
 %{dracutlibdir}/dracut.conf.d/02-norescue.conf
 
 %changelog
+* Wed May 22 2013 Adam Williamson <awilliam@redhat.com> 027-46.git20130430
+- don't specify "p" as a separator for dmraid
+Resolves: rhbz#966162
+
 * Tue Apr 30 2013 Harald Hoyer <harald@redhat.com> 027-45.git20130430
 - fixed fips mode more
 Resolves: rhbz#956521