diff --git a/xen-ia64-hypercall-args.patch b/xen-ia64-hypercall-args.patch
new file mode 100644
index 0000000..952a55d
--- /dev/null
+++ b/xen-ia64-hypercall-args.patch
@@ -0,0 +1,25 @@
+changeset:   17350:716a637722e4
+user:        Alex Williamson <alex.williamson@hp.com>
+date:        Mon Mar 10 11:55:40 2008 -0600
+files:       tools/libxc/ia64/xc_ia64_stubs.c
+description:
+[IA64] Remove bogus hypercall arg
+
+privcmd_hypercall_t only has 5 args.  This causes a build failure
+with gcc-4.3.  Fixes bugzilla #1186.
+
+Signed-off-by: Alex Williamson <alex.williamson@hp.com>
+
+
+diff -r 7d300a1ea762 -r 716a637722e4 tools/libxc/ia64/xc_ia64_stubs.c
+--- a/tools/libxc/ia64/xc_ia64_stubs.c	Mon Mar 10 11:52:25 2008 -0600
++++ b/tools/libxc/ia64/xc_ia64_stubs.c	Mon Mar 10 11:55:40 2008 -0600
+@@ -92,7 +92,6 @@
+     hypercall.arg[2] = dom;
+     hypercall.arg[3] = (unsigned long)memmap_info;
+     hypercall.arg[4] = flags;
+-    hypercall.arg[5] = 0;
+ 
+     if (lock_pages(memmap_info,
+                    sizeof(*memmap_info) + memmap_info->efi_memmap_size) != 0) {
+
diff --git a/xen.spec b/xen.spec
index 9f1bfda..8db2abe 100644
--- a/xen.spec
+++ b/xen.spec
@@ -2,7 +2,7 @@
 
 # Always set these 3 tags
 %define base_version 3.2.0
-%define base_release 15
+%define base_release 16
 
 # Hypervisor ABI
 %define hv_abi  3.2
@@ -74,6 +74,7 @@ Patch15: xen-net-disable-iptables-on-bridge.patch
 Patch16: xen-3.2.0-block-rw-range-check.patch
 Patch17: xen-3.2.0-qemu-evtchn-fd.patch
 Patch18: xen-qemu-logfile.patch
+Patch19: xen-ia64-hypercall-args.patch
 
 Patch36: xen-qemu-bootmenu.patch
 Patch37: xen-pvfb-validate-fb.patch
@@ -177,6 +178,7 @@ which manage Xen virtual machines.
 %patch16 -p1
 %patch17 -p1
 %patch18 -p1
+%patch19 -p1
 
 %patch36 -p1
 
@@ -464,6 +466,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/*.a
 
 %changelog
+* Wed Jul  9 2008 Daniel P. Berrange <berrange@redhat.com> - 3.2.0-16.fc10
+- Remove bogus ia64 hypercall arg (rhbz #433921)
+
 * Fri Jun 27 2008 Markus Armbruster <armbru@redhat.com> - 3.2.0-15.fc10
 - Re-enable QEMU image format auto-detection, without the security
   loopholes