diff --git a/qemu-disable-copyrect-encoding.patch b/qemu-disable-copyrect-encoding.patch
new file mode 100644
index 0000000..b566c1a
--- /dev/null
+++ b/qemu-disable-copyrect-encoding.patch
@@ -0,0 +1,39 @@
+From 1df8bf2b825dafd9b3c0ea24af184db988fc0741 Mon Sep 17 00:00:00 2001
+From: Mark McLoughlin <markmc@redhat.com>
+Date: Fri, 23 Oct 2009 13:41:52 +0100
+Subject: [PATCH] Disable the vnc CopyRect encoding
+
+Our CopyRect implementation seems to be broken still:
+
+  https://bugzilla.redhat.com/503156
+
+Let's just disable it until someone has a chance to debug further.
+
+Signed-off-by: Mark McLoughlin <markmc@redhat.com>
+Fedora-patch: qemu-disable-copyrect-encoding.patch
+---
+ vnc.c |    7 +++++++
+ 1 files changed, 7 insertions(+), 0 deletions(-)
+
+diff --git a/vnc.c b/vnc.c
+index 119c982..508f40d 100644
+--- a/vnc.c
++++ b/vnc.c
+@@ -1499,7 +1499,14 @@ static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings)
+             vs->vnc_encoding = enc;
+             break;
+         case VNC_ENCODING_COPYRECT:
++            /* Our CopyRect handling still seems to be broken, see:
++             *
++             *  https://bugzilla.redhat.com/503156
++             *
++             */
++#ifdef FIXME
+             vs->features |= VNC_FEATURE_COPYRECT_MASK;
++#endif
+             break;
+         case VNC_ENCODING_HEXTILE:
+             vs->features |= VNC_FEATURE_HEXTILE_MASK;
+-- 
+1.6.2.5
+
diff --git a/qemu.spec b/qemu.spec
index fbb9782..18c1bb0 100644
--- a/qemu.spec
+++ b/qemu.spec
@@ -1,7 +1,7 @@
 Summary: QEMU is a FAST! processor emulator
 Name: qemu
 Version: 0.10.6
-Release: 8%{?dist}
+Release: 9%{?dist}
 # Epoch because we pushed a qemu-1.0 package
 Epoch: 2
 License: GPLv2+ and LGPLv2+ and BSD
@@ -38,6 +38,7 @@ Patch17: qemu-use-statfs-to-determine-huge-page-size.patch
 Patch18: qemu-allow-pulseaudio-to-be-the-default.patch
 Patch19: qemu-fix-virtio-net-gso-support.patch
 Patch20: qemu-fix-msr-count-potential-segfault.patch
+Patch21: qemu-disable-copyrect-encoding.patch
 
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires: SDL-devel zlib-devel which texi2html gnutls-devel cyrus-sasl-devel
@@ -245,6 +246,7 @@ such as kvmtrace and kvm_stat.
 %patch18 -p1
 %patch19 -p1
 %patch20 -p1
+%patch21 -p1
 
 %build
 # systems like rhel build system does not have a recent enough linker so
@@ -487,6 +489,9 @@ fi
 %{_mandir}/man1/qemu-img.1*
 
 %changelog
+* Fri Oct 23 2009 Mark McLoughlin <markmc@redhat.com> - 2:0.10.6-9
+- Disable the vnc CopyRect encoding since it's still broken (#503156)
+
 * Mon Oct 19 2009 Mark McLoughlin <markmc@redhat.com> - 2:0.10.6-8
 - Fix potential segfault from too small MSR_COUNT (#528901)