diff -Nru dkms-2.2.0.3/debian/changelog dkms-2.2.0.3/debian/changelog
--- dkms-2.2.0.3/debian/changelog	2016-05-18 22:09:19.000000000 -0400
+++ dkms-2.2.0.3/debian/changelog	2016-09-08 16:44:18.000000000 -0400
@@ -1,3 +1,10 @@
+dkms (2.2.0.3-2ubuntu13) yakkety; urgency=medium
+
+  * debian/patches/Parallel-depmod-failure.patch: (LP: #1608499)
+    - Backport fix from 2.3 to fix a race condition in dkms autoinstall
+
+ -- Robert Hooker <sarvatt@ubuntu.com>  Thu, 08 Sep 2016 16:43:56 -0400
+
 dkms (2.2.0.3-2ubuntu12) yakkety; urgency=medium
 
   * debian/patches/shim_secureboot_support.patch: move to using the script
diff -Nru dkms-2.2.0.3/debian/patches/Parallel-depmod-failure.patch dkms-2.2.0.3/debian/patches/Parallel-depmod-failure.patch
--- dkms-2.2.0.3/debian/patches/Parallel-depmod-failure.patch	1969-12-31 19:00:00.000000000 -0500
+++ dkms-2.2.0.3/debian/patches/Parallel-depmod-failure.patch	2016-09-08 16:43:20.000000000 -0400
@@ -0,0 +1,26 @@
+From 00114cbc0a1f8c0aa5143808205d1a7cc9e58d3b Mon Sep 17 00:00:00 2001
+From: Simone Caronni <negativo17@gmail.com>
+Date: Thu, 18 Sep 2014 13:37:48 +0200
+Subject: [PATCH 01/23] Parallel depmod failure
+
+
+---
+ dkms | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/dkms b/dkms
+index f97037b0b30b..e78588933669 100644
+--- a/dkms
++++ b/dkms
+@@ -3241,7 +3241,7 @@ autoinstall() {
+         for mv in "${to_install[@]}"; do
+             IFS=/ read m v <<< "$mv"
+             if [[ -z "${build_depends[$m]}" ]]; then
+-                (module="$m"; module_version="$v"; install_module) &
++                (module="$m"; module_version="$v"; install_module)
+                 installed_modules[${#installed_modules[@]}]="$m"
+                 install_count=$(($install_count +1))
+             else
+-- 
+2.9.0.244.g00fa316
+
diff -Nru dkms-2.2.0.3/debian/patches/series dkms-2.2.0.3/debian/patches/series
--- dkms-2.2.0.3/debian/patches/series	2016-01-11 09:45:14.000000000 -0500
+++ dkms-2.2.0.3/debian/patches/series	2016-09-08 16:43:20.000000000 -0400
@@ -12,3 +12,4 @@
 1491729-0001-Add-POST_BUILD-to-the-dkms_conf_variables-list.patch
 1491729-0002-Add_BUILD_DEPENDS_configuration_option.patch
 shim_secureboot_support.patch
+Parallel-depmod-failure.patch