diff --git a/config-x86-generic b/config-x86-generic
index 888577342..ebf16225c 100644
--- a/config-x86-generic
+++ b/config-x86-generic
@@ -39,7 +39,7 @@ CONFIG_FB_EFI=y
 CONFIG_INTEL_IOMMU=y
 CONFIG_DMAR_BROKEN_GFX_WA=y
 CONFIG_INTEL_IOMMU_FLOPPY_WA=y
-CONFIG_INTEL_IOMMU_DEFAULT_ON=y
+# CONFIG_INTEL_IOMMU_DEFAULT_ON is not set
 CONFIG_SCSI_ADVANSYS=m
 
 CONFIG_SECCOMP=y
diff --git a/kernel.spec b/kernel.spec
index 7a03e3313..61e00cba0 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -54,7 +54,7 @@ Summary: The Linux kernel
 # For non-released -rc kernels, this will be appended after the rcX and
 # gitX tags, so a 3 here would become part of release "0.rcX.gitX.3"
 #
-%global baserelease 3
+%global baserelease 4
 %global fedora_build %{baserelease}
 
 # base_sublevel is the kernel version we're starting with and patching
@@ -2231,6 +2231,9 @@ fi
 #                 ||----w |
 #                 ||     ||
 %changelog
+* Thu Dec 15 2011 Dave Jones <davej@redhat.com> - 3.2.0-0.rc5.git2.4
+- Disable Intel IOMMU by default.
+
 * Thu Dec 15 2011 Dave Jones <davej@redhat.com> - 3.2.0-0.rc5.git2.3
 - Change configfs to be built-in. (rhbz 767432)