diff --git a/debian/apport/source_grub2.py b/debian/apport/source_grub2.py
index 993137e1c..33fe6e66f 100644
--- a/debian/apport/source_grub2.py
+++ b/debian/apport/source_grub2.py
@@ -69,6 +69,15 @@ def add_info(report):
         attach_file(report, '/proc/cmdline','ProcCmdLine')
         _attach_file_filtered(report, '/etc/default/grub','EtcDefaultGrub')
         attach_file_if_exists(report, '/boot/grub/device.map', 'DeviceMap')
+        try:
+            grub_d = '/etc/default/grub.d'
+            for name in sorted(os.listdir(grub_d)):
+                if name.endswith('.cfg'):
+                    key = 'EtcDefaultGrubD.' + path_to_key(name)
+                    attach_file_if_exists(
+                        report, os.path.join(grub_d, name), key)
+        except OSError:
+            pass
 
         invalid_grub_script = []
         if not check_shell_syntax_harder('/etc/default/grub'):
diff --git a/debian/changelog b/debian/changelog
index f3c51a2a7..ace563d46 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -8,6 +8,7 @@ grub2 (2.00-10) UNRELEASED; urgency=low
     - Don't permit loading modules on UEFI Secure Boot (since in such a
       setup the GRUB core image must be signed but it has no provision for
       verifying module signatures).
+    - Read /etc/default/grub.d/*.cfg after /etc/default/grub (LP: #901600).
 
  -- Colin Watson <cjwatson@debian.org>  Wed, 02 Jan 2013 08:58:20 +0000
 
diff --git a/debian/config.in b/debian/config.in
index 3a6ab564b..8ef81419c 100644
--- a/debian/config.in
+++ b/debian/config.in
@@ -38,6 +38,11 @@ esac
 
 if test -e /etc/default/grub ; then
   . /etc/default/grub
+  for x in /etc/default/grub.d/*.cfg ; do
+    if [ -e "$x" ]; then
+      . "$x"
+    fi
+  done
 
   db_set grub2/linux_cmdline "$GRUB_CMDLINE_LINUX"
   db_set grub2/linux_cmdline_default "$GRUB_CMDLINE_LINUX_DEFAULT"
diff --git a/debian/patches/default_grub_d.patch b/debian/patches/default_grub_d.patch
new file mode 100644
index 000000000..08834792c
--- /dev/null
+++ b/debian/patches/default_grub_d.patch
@@ -0,0 +1,38 @@
+Description: Read /etc/default/grub.d/*.cfg after /etc/default/grub
+Author: Colin Watson <cjwatson@ubuntu.com>
+Bug-Ubuntu: https://bugs.launchpad.net/bugs/901600
+Forwarded: no
+Last-Update: 2013-01-02
+
+Index: b/util/grub-install.in
+===================================================================
+--- a/util/grub-install.in
++++ b/util/grub-install.in
+@@ -68,6 +68,11 @@
+ if test -f "${sysconfdir}/default/grub" ; then
+     . "${sysconfdir}/default/grub"
+ fi
++for x in "${sysconfdir}/default/grub.d"/*.cfg ; do
++  if [ -e "${x}" ]; then
++    . "${x}"
++  fi
++done
+ 
+ bootloader_id="$(echo "$GRUB_DISTRIBUTOR" | tr 'A-Z' 'a-z' | cut -d' ' -f1)"
+ if test -z "$bootloader_id"; then
+Index: b/util/grub-mkconfig.in
+===================================================================
+--- a/util/grub-mkconfig.in
++++ b/util/grub-mkconfig.in
+@@ -150,6 +150,11 @@
+ if test -f ${sysconfdir}/default/grub ; then
+   . ${sysconfdir}/default/grub
+ fi
++for x in ${sysconfdir}/default/grub.d/*.cfg ; do
++  if [ -e "${x}" ]; then
++    . "${x}"
++  fi
++done
+ 
+ # XXX: should this be deprecated at some point?
+ if [ "x${GRUB_TERMINAL}" != "x" ] ; then
diff --git a/debian/patches/series b/debian/patches/series
index 030d2d7f3..30b480320 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -31,3 +31,4 @@ mount_readdir_symlink_failures.patch
 initrd_addr_min.patch
 gnulib_gets.patch
 no_insmod_on_sb.patch
+default_grub_d.patch
diff --git a/debian/postinst.in b/debian/postinst.in
index ea6c0f04c..b5288f914 100644
--- a/debian/postinst.in
+++ b/debian/postinst.in
@@ -283,6 +283,11 @@ config_item()
 {
   if [ -f /etc/default/grub ]; then
     . /etc/default/grub || return
+    for x in /etc/default/grub.d/*.cfg; do
+      if [ -e "$x" ]; then
+        . "$x"
+      fi
+    done
   fi
   eval echo "\$$1"
 }
diff --git a/util/grub-install.in b/util/grub-install.in
index 00dc875ca..3a145563a 100644
--- a/util/grub-install.in
+++ b/util/grub-install.in
@@ -68,6 +68,11 @@ efi_quiet=
 if test -f "${sysconfdir}/default/grub" ; then
     . "${sysconfdir}/default/grub"
 fi
+for x in "${sysconfdir}/default/grub.d"/*.cfg ; do
+  if [ -e "${x}" ]; then
+    . "${x}"
+  fi
+done
 
 bootloader_id="$(echo "$GRUB_DISTRIBUTOR" | tr 'A-Z' 'a-z' | cut -d' ' -f1)"
 if test -z "$bootloader_id"; then
diff --git a/util/grub-mkconfig.in b/util/grub-mkconfig.in
index 64ec0dbd1..6d8b69b9e 100644
--- a/util/grub-mkconfig.in
+++ b/util/grub-mkconfig.in
@@ -150,6 +150,11 @@ GRUB_FS="`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2> /dev/null || echo
 if test -f ${sysconfdir}/default/grub ; then
   . ${sysconfdir}/default/grub
 fi
+for x in ${sysconfdir}/default/grub.d/*.cfg ; do
+  if [ -e "${x}" ]; then
+    . "${x}"
+  fi
+done
 
 # XXX: should this be deprecated at some point?
 if [ "x${GRUB_TERMINAL}" != "x" ] ; then