diff --git a/libguestfs-1.0.80-daemon-Work-around-udevsettle-issue-RHBZ-548121.patch b/libguestfs-1.0.80-daemon-Work-around-udevsettle-issue-RHBZ-548121.patch
new file mode 100644
index 0000000..4d67f90
--- /dev/null
+++ b/libguestfs-1.0.80-daemon-Work-around-udevsettle-issue-RHBZ-548121.patch
@@ -0,0 +1,57 @@
+From 5c6147ecc7ee3cf657edb1e19ad5ab4e973424e0 Mon Sep 17 00:00:00 2001
+From: Richard Jones <rjones@redhat.com>
+Date: Fri, 18 Dec 2009 19:20:37 +0000
+Subject: [PATCH] daemon: Work around udevsettle issue (RHBZ#548121).
+
+---
+ daemon/guestfsd.c |   30 +++++++++---------------------
+ 1 files changed, 9 insertions(+), 21 deletions(-)
+
+diff --git a/daemon/guestfsd.c b/daemon/guestfsd.c
+index 520a4a4..0fc0128 100644
+--- a/daemon/guestfsd.c
++++ b/daemon/guestfsd.c
+@@ -1038,31 +1038,19 @@ device_name_translation (char *device, const char *func)
+  * involved.  eg. You can create or remove some device, but the /dev
+  * device node won't appear until some time later.  This means that
+  * you get an error if you run one command followed by another.
++ *
+  * Use 'udevadm settle' after certain commands, but don't be too
+  * fussed if it fails.
++ *
++ * 'udevsettle' was the old name for this command (RHEL 5).  This was
++ * deprecated in favour of 'udevadm settle'.  The old 'udevsettle'
++ * command was left as a symlink.  Then in Fedora 13 the old symlink
++ * remained but it stopped working (RHBZ#548121), so we have to be
++ * careful not to assume that we can use 'udevsettle' if it exists.
+  */
+ void
+ udev_settle (void)
+ {
+-  static int which_prog = 0;
+-
+-  if (which_prog == 0) {
+-    if (access ("/sbin/udevsettle", X_OK) == 0)
+-      which_prog = 2;
+-    else if (access ("/sbin/udevadm", X_OK) == 0)
+-      which_prog = 1;
+-    else
+-      which_prog = 3;
+-  }
+-
+-  switch (which_prog) {
+-  case 1:
+-    command (NULL, NULL, "/sbin/udevadm", "settle", NULL);
+-    break;
+-  case 2:
+-    command (NULL, NULL, "/sbin/udevsettle", NULL);
+-    break;
+-  default:
+-    ;
+-  }
++  (void) command (NULL, NULL, "/sbin/udevadm", "settle", NULL);
++  (void) command (NULL, NULL, "/sbin/udevsettle", NULL);
+ }
+-- 
+1.6.5.2
+
diff --git a/libguestfs.spec b/libguestfs.spec
index edd5b20..439014f 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -5,7 +5,7 @@ Summary:     Access and modify virtual machine disk images
 Name:        libguestfs
 Epoch:       1
 Version:     1.0.80
-Release:     2%{?dist}
+Release:     3%{?dist}
 License:     LGPLv2+
 Group:       Development/Libraries
 URL:         http://libguestfs.org/
@@ -15,6 +15,9 @@ BuildRoot:   %{_tmppath}/%{name}-%{version}-%{release}-root
 # Disable FUSE tests, not supported in Koji at the moment.
 Patch0:      libguestfs-1.0.79-no-fuse-test.patch
 
+# Work around udevsettle command broken in Fedora 13 (RHBZ#548121).
+Patch1:      libguestfs-1.0.80-daemon-Work-around-udevsettle-issue-RHBZ-548121.patch
+
 # Basic build requirements:
 BuildRequires: /usr/bin/pod2man
 BuildRequires: /usr/bin/pod2text
@@ -328,6 +331,7 @@ Requires:    jpackage-utils
 %setup -q
 
 %patch0 -p1
+%patch1 -p1
 
 mkdir -p daemon/m4
 
@@ -382,11 +386,11 @@ export LIBGUESTFS_DEBUG=1
 #                                 (FIXED)
 # 516096   ?            F-11   race condition in swapoff/blockdev --rereadpt
 # 516543   ?            F-12   qemu-kvm segfaults when run inside a VM (FIXED)
-# 548121   all          F-13   udevsettle command is broken
+# 548121   all          F-13   udevsettle command is broken (WORKAROUND)
 
-#%ifarch x86_64  # reenable if we fix 548121
-#make check
-#%endif
+%ifarch x86_64
+make check
+%endif
 
 
 %install
@@ -602,6 +606,10 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Fri Dec 18 2009 Richard W.M. Jones <rjones@redhat.com> - 1.0.80-3
+- Work around udevsettle command problem (RHBZ#548121).
+- Enable tests.
+
 * Wed Dec 16 2009 Richard W.M. Jones <rjones@redhat.com> - 1.0.80-2
 - Disable tests because of RHBZ#548121.