diff --git a/valgrind-3.9.0-xabort.patch b/valgrind-3.9.0-xabort.patch
new file mode 100644
index 0000000..1d0b43f
--- /dev/null
+++ b/valgrind-3.9.0-xabort.patch
@@ -0,0 +1,35 @@
+From ae58d7305de27aa96abf715456a07045018cda98 Mon Sep 17 00:00:00 2001
+From: Mark Wielaard <mjw@redhat.com>
+Date: Tue, 26 Nov 2013 22:49:55 +0100
+Subject: [PATCH] Bug 328100 XABORT not implemented.
+
+XABORT can be called even when there is no current transaction.
+In such a case XABORT acts as a NOP. Implement xabort as nop.
+---
+ priv/guest_amd64_toIR.c | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+diff --git a/VEX/priv/guest_amd64_toIR.c b/VEX/priv/guest_amd64_toIR.c
+index a17c8f4..7ea5748 100644
+--- a/VEX/priv/guest_amd64_toIR.c
++++ b/VEX/priv/guest_amd64_toIR.c
+@@ -20270,6 +20270,16 @@ Long dis_ESC_NONE (
+          return delta;
+       }
+       /* END HACKY SUPPORT FOR xbegin */
++      /* BEGIN HACKY SUPPORT FOR xabort */
++      if (modrm == 0xF8 && !have66orF2orF3(pfx) && sz == 1
++          && (archinfo->hwcaps & VEX_HWCAPS_AMD64_AVX)) {
++         delta++; /* mod/rm byte */
++         abyte = getUChar(delta); delta++;
++         /* There is never a real transaction in progress, so do nothing. */
++         DIP("xabort $%d", (Int)abyte);
++         return delta;
++      }
++      /* END HACKY SUPPORT FOR xabort */
+       goto decode_failure;
+ 
+    case 0xC8: /* ENTER */
+-- 
+1.8.3.1
+
diff --git a/valgrind.spec b/valgrind.spec
index 86a5c12..0e2f167 100644
--- a/valgrind.spec
+++ b/valgrind.spec
@@ -3,7 +3,7 @@
 Summary: Tool for finding memory management bugs in programs
 Name: %{?scl_prefix}valgrind
 Version: 3.9.0
-Release: 3%{?dist}
+Release: 4%{?dist}
 Epoch: 1
 License: GPLv2+
 URL: http://www.valgrind.org/
@@ -44,6 +44,9 @@ Patch9: valgrind-3.9.0-anon-typedef.patch
 # KDE#327943 - s390x missing index/strchr suppression for ld.so bad backtrace?
 Patch10: valgrind-3.9.0-s390x-ld-supp.patch
 
+# KDE#328100 - XABORT not implemented
+Patch11: valgrind-3.9.0-xabort.patch
+
 %ifarch x86_64 ppc64
 # Ensure glibc{,-devel} is installed for both multilib arches
 BuildRequires: /lib/libc.so.6 /usr/lib/libc.so /lib64/libc.so.6 /usr/lib64/libc.so
@@ -146,6 +149,8 @@ Valgrind User Manual for details.
 %patch10 -p1
 %endif
 
+%patch11 -p1
+
 %build
 # We need to use the software collection compiler and binutils if available.
 # The configure checks might otherwise miss support for various newer
@@ -298,6 +303,9 @@ echo ===============END TESTING===============
 %endif
 
 %changelog
+* Thu Nov 28 2013 Mark Wielaard <mjw@redhat.com> - 3.9.0-4
+- Add valgrind-3.9.0-xabort.patch.
+
 * Fri Nov 22 2013 Mark Wielaard <mjw@redhat.com> - 3.9.0-3
 - Add valgrind-3.9.0-anon-typedef.patch.
 - Add valgrind-3.9.0-s390x-ld-supp.patch