diff --git a/dkms/PKGBUILD b/dkms/PKGBUILD
index 9da47becbf..c0799fa863 100644
--- a/dkms/PKGBUILD
+++ b/dkms/PKGBUILD
@@ -3,13 +3,13 @@
 # Contributor: Balwinder S "bsd" Dheeman (bdheeman AT gmail.com)
 
 pkgname=dkms
-pkgver=2.8.6
-pkgrel=2
+pkgver=3.0.3
+pkgrel=1
 pkgdesc='Dynamic Kernel Modules System'
 arch=('any')
 url='https://github.com/dell/dkms'
 license=('GPL2')
-depends=('bash' 'kmod' 'gcc' 'make' 'patch')
+depends=('coreutils' 'bash' 'gawk' 'sed' 'kmod' 'gcc' 'make' 'patch')
 makedepends=('git')
 optdepends=('linux-headers: build modules against the Arch kernel'
             'linux-lts-headers: build modules against the LTS kernel'
@@ -21,14 +21,12 @@ source=("git+https://github.com/dell/dkms.git#tag=v$pkgver"
         'hook.install'
         'hook.remove'
         'hook.upgrade'
-        'hook.sh'
-        '0001-Revert-Make-newly-installed-modules-available-immedi.patch')
+        'hook.sh')
 sha256sums=('SKIP'
-            '047e0e46967e98fbf3ff8860a80f259c28693d5989373d5a5395714495b59844'
-            'ae5483980db914d52bff981ed83356c85679dd7e6e8f73bdd94265f065014c73'
-            'd61d94532789928085a8494ba039c59244cfb3bfd47deaf21bcbe54a2243dc45'
-            '55209947f6266dc7f29b82f3d2635a6b92f6e175d59571dca4d2fd435dffab4a'
-            '124b821b1b44ba365d915945825bcf32c1077655c3a98eb1644de56b6abfcd09')
+            'acdc5b45cc018cea04ee1aec56fd8fc3a2de62cf7bc41acf53b3790872120998'
+            '326515cc7d00f93760beb844434ca7442caf7a9424614aa95a8f6d1ab79e15df'
+            '4f8dff7716e73a8bba885638f12e3cdc9e87daec1896f75e700b981527e43870'
+            'c1b4a4e2e4e0e0e59ee0887403e79d60b209f3878dbbec6612573f13b90cce01')
 
 prepare() {
   cd dkms
@@ -44,7 +42,7 @@ prepare() {
 
   # /usr move
   msg2 '/usr move patching'
-  for i in dkms{,_framework.conf,.bash-completion,.8,_common.postinst}; do
+  for i in dkms{.in,.8.in,_framework.conf,.bash-completion,_common.postinst} sign_helper.sh; do
     sed -ri 's,/lib/modules,/usr/lib/modules,g' "$i"
   done
 }
@@ -59,15 +57,17 @@ package() {
   install -D -m 644 hook.upgrade "$pkgdir/usr/share/libalpm/hooks/70-dkms-upgrade.hook"
   install -D -m 644 hook.remove "$pkgdir/usr/share/libalpm/hooks/71-dkms-remove.hook"
   # hook helper
-  install -D -m 755 hook.sh "$pkgdir/usr/lib/dkms/alpm-hook"
+  install -D -m 755 hook.sh "$pkgdir/usr/share/libalpm/scripts/dkms"
   # upstream installer
   cd dkms
-  # we don't need kconf files, so we install them outside $pkgdir
+  # we don't need kconf files and libdir is only for debian stuff, so
+  # we install them outside of $pkgdir
   make \
     DESTDIR="$pkgdir" \
     SBIN="$pkgdir/usr/bin" \
     BASHDIR="$pkgdir/usr/share/bash-completion/completions" \
-    KCONF="$srcdir"/kconf \
+    KCONF="$srcdir"/trash \
+    LIBDIR="$srcdir"/trash \
     install
 }
 
diff --git a/dkms/hook.install b/dkms/hook.install
index 84b482751e..ac08b83e96 100644
--- a/dkms/hook.install
+++ b/dkms/hook.install
@@ -10,5 +10,5 @@ Target = usr/lib/modules/*/modules.alias
 Description = Install DKMS modules
 Depends = dkms
 When = PostTransaction
-Exec = /usr/lib/dkms/alpm-hook install
+Exec = /usr/share/libalpm/scripts/dkms install
 NeedsTargets
diff --git a/dkms/hook.remove b/dkms/hook.remove
index 29be6bba04..c489c817b5 100644
--- a/dkms/hook.remove
+++ b/dkms/hook.remove
@@ -9,5 +9,5 @@ Target = usr/lib/modules/*/modules.alias
 Description = Remove DKMS modules
 Depends = dkms
 When = PreTransaction
-Exec = /usr/lib/dkms/alpm-hook remove
+Exec = /usr/share/libalpm/scripts/dkms remove
 NeedsTargets
diff --git a/dkms/hook.sh b/dkms/hook.sh
index d3f6678c51..6c685ee35d 100755
--- a/dkms/hook.sh
+++ b/dkms/hook.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 #
-# Copyright © 2018-2020, Sébastien Luttringer
+# Copyright © 2018-2021, Sébastien Luttringer
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
@@ -22,7 +22,7 @@ run() {
   echo "==> $*"
   "$@" > /dev/null
   local ret=$?
-  (( $ret )) && echo "==> Warning, \`$*' returned $ret"
+  (( $ret )) && echo "==> WARNING: \`$*' exited $ret"
   return $ret
 }
 
@@ -52,129 +52,168 @@ check_buildexclusive() {
   [[ "$3" =~ $BUILD_EXCLUSIVE_KERNEL ]]
 }
 
-# handle actions on module addition/upgrade/removal
-# $1: module name
-# $2: module version
-parse_module() {
+# list all kernel versions
+all_kver() {
   pushd "$install_tree" >/dev/null
   local path
   for path in */build/; do
-    local kver="${path%%/*}"
-    dkms_register "$1" "$2" "$kver"
+    echo "${path%%/*}"
   done
   popd >/dev/null
 }
 
-# handle actions on kernel addition/upgrade/removal
+# list all module name/version for a specific kernel version
 # $1: kernel version
-parse_kernel() {
+all_nv_from_kver() {
   local path
   for path in "$source_tree"/*-*/dkms.conf; do
     if [[ -f "$path" && "$path" =~ ^$source_tree/([^/]+)-([^/]+)/dkms\.conf$ ]]; then
-      dkms_register "${BASH_REMATCH[1]}" "${BASH_REMATCH[2]}" "$1"
+      echo "${BASH_REMATCH[1]}/${BASH_REMATCH[2]}"
     fi
   done
 }
 
-# register a dkms module to install/remove
-# this function suppress echo call for a module
-# $1: module name, $2: module version, $3: kernel version
-dkms_register() {
-  DKMS_MODULES["$1/$2/$3"]=''
+# list of modules/version for installed/built kernel version
+# $1: kernel version
+built_nv_from_kver() {
+  local line
+  dkms status -k "$1" | while read -r line; do
+    if [[ "$line" =~ ^([^/]+/[^,]+)", $1, "[^:]+": "(built|installed) ]]; then
+      echo "${BASH_REMATCH[1]}"
+    fi
+  done
+}
+
+# list installed or built kernel version for a specific module version
+# $1 : module name/module version
+built_kver_from_nv() {
+  local line
+  dkms status "$1" | while read -r line; do
+    if [[ "$line" =~ ^"$1, "([^,]+)", "[^:]+": "(built|installed) ]]; then
+      echo "${BASH_REMATCH[1]}"
+    fi
+  done
 }
 
 # install registered modules
 dkms_install() {
-  local nvk mod mver kver
-  local -i retry=1
-  local -A dmods=()
+  # list of modules to build for a specific kernel
+  local -A tobuild=()
 
+  # add new/updated modules for all kernels to the build list
+  local nv kver
+  for nv in "${!DKMS_MODULES[@]}"; do
+    for kver in $(all_kver); do
+      tobuild["$nv/$kver"]=''
+    done
+  done
+  # add modules for new/updated kernels to the build list
+  for kver in "${!KERNEL_VERSIONS[@]}"; do
+    for nv in $(all_nv_from_kver "$kver"); do
+      tobuild["$nv/$kver"]=''
+    done
+  done
+
+  # list of kver which requires depmod refresh
+  local -A depmods=()
+
+  # let's build and install
+  local nvk mod mver
+  local -i retry=1
   while (( $retry > 0 )); do
     retry=0
-    for nvk in "${!DKMS_MODULES[@]}"; do
-      [[ "$nvk" =~ ([^/]+)/([^/]+)/(.+) ]]
+    for nvk in "${!tobuild[@]}"; do
+      [[ "$nvk" =~ ([^/]+)/([^/]+)/(.+) ]] || continue
       mod="${BASH_REMATCH[1]}"
       mver="${BASH_REMATCH[2]}"
       kver="${BASH_REMATCH[3]}"
       # do not build excluded modules
       if ! check_buildexclusive "$mod" "$mver" "$kver"; then
-        unset DKMS_MODULES[$nvk]
+        unset tobuild[$nvk]
         continue
       # skip modules with missing kernel headers
       elif [[ ! -d "$install_tree/$kver/build/include" ]]; then
-        DKMS_MODULES[$nvk]='Missing kernel headers'
+        ERROR_MESSAGES+=("Missing $kver kernel headers for module $mod/$mver.")
+        unset tobuild[$nvk]
         continue
       # skip modules with missing kernel package
       elif [[ ! -d "$install_tree/$kver/kernel" ]]; then
-        DKMS_MODULES[$nvk]='Missing kernel modules tree'
+        ERROR_MESSAGES+=("Missing $kver kernel modules tree for module $mod/$mver.")
+        unset tobuild[$nvk]
         continue
       # postpone modules with missing dependencies
       elif ! check_dependency "$mod" "$mver" "$kver"; then
-        DKMS_MODULES[$nvk]='Missing dependency'
         continue
       fi
       # give it a try dkms
-      run dkms install --no-depmod -m "$mod" -v "$mver" -k "$kver"
-      dmods[$kver]=''
-      unset DKMS_MODULES[$nvk]
+      run dkms install --no-depmod "$mod/$mver" -k "$kver"
+      if (( $? == 0 )); then
+        # register kernel version for later depmod
+        depmods[$kver]=''
+      fi
+      unset tobuild[$nvk]
       # maybe this module was a dep of another, so we retry
       retry=1
     done
   done
   # run depmod later for performance improvments
   if (( $DKMS_DEPMOD )); then
-    for kver in "${!dmods[@]}"; do
+    for kver in "${!depmods[@]}"; do
       run depmod "$kver"
     done
   fi
+  # add errors messages for missing dependencies modules
+  for nvk in "${!tobuild[@]}"; do
+    [[ "$nvk" =~ ([^/]+/[^/]+)/(.+) ]] || continue
+    nv="${BASH_REMATCH[1]}"
+    kver="${BASH_REMATCH[2]}"
+    ERROR_MESSAGES+=("Missing dependencies to install module $nv for kernel $kver.")
+  done
 }
 
-# remove registered modules when built/installed
-# run depmod later for performance improvments
+# remove registered modules
+# run depmod once per kernel for performance improvments
 dkms_remove() {
-  local nvk mod mver kver state
-  local -A dmods=()
-  for nvk in "${!DKMS_MODULES[@]}"; do
-    [[ "$nvk" =~ ([^/]+)/([^/]+)/(.+) ]]
-    mod="${BASH_REMATCH[1]}"
-    mver="${BASH_REMATCH[2]}"
-    kver="${BASH_REMATCH[3]}"
-    # do not remove excluded modules (n.b. display not found errors)
-    if ! check_buildexclusive "$mod" "$mver" "$kver"; then
-      unset DKMS_MODULES[$nvk]
-      continue
-    fi
-    state=$(dkms status -m "$mod" -v "$mver" -k "$kver")
-    if [[ "$state" =~ "$mod/$mver, $kver, "[^:]+": "(added|built|installed) ]]; then
-      dmods[$kver]=''
-      run dkms remove --no-depmod -m "$mod" -v "$mver" -k "$kver"
+  local nv kver
+  local -A depmods=()
+  # remove full modules first
+  for nv in "${!DKMS_MODULES[@]}"; do
+    # try to remove modules one by one to keep the depmod optimization
+    for kver in $(built_kver_from_nv "$nv"); do
+      run dkms remove --no-depmod "$nv" -k "$kver"
       if (( $? == 0 )); then
-        unset DKMS_MODULES[$nvk]
+        # register kernel version for later depmod
+        depmods[$kver]=''
       else
-        DKMS_MODULES[$nvk]='dkms remove failed'
+        ERROR_MESSAGES+=("Failed to remove module $nv for kernel $kver.")
       fi
-    else
-      DKMS_MODULES[$nvk]='Not found in dkms status output'
+    done
+    # ensure module removal (even if only added)
+    if [[ $(dkms status "$nv") ]]; then
+      run dkms remove "$nv"
+      (( $? == 0 )) || ERROR_MESSAGES+=("Failed to remove module $nv.")
     fi
   done
+  # remove modules for a specific kernel version
+  for kver in "${!KERNEL_VERSIONS[@]}"; do
+    for nv in $(built_nv_from_kver "$kver"); do
+      run dkms remove --no-depmod "$nv" -k "$kver"
+      if (( $? == 0 )); then
+        # register kernel version for later depmod
+        depmods[$kver]=''
+      else
+        ERROR_MESSAGES+=("Failed to remove module $nv for kernel $kver.")
+      fi
+    done
+  done
   # run depmod later for performance improvments
   if (( $DKMS_DEPMOD )); then
-    for kver in "${!dmods[@]}"; do
+    for kver in "${!depmods[@]}"; do
       run depmod "$kver"
     done
   fi
 }
 
-# show information about failed modules
-show_errors() {
-  local nvk mod kver
-  for nvk in "${!DKMS_MODULES[@]}"; do
-    mod=${nvk%/*}
-    kver=${nvk##*/}
-    echo "==> Unable to $DKMS_ACTION module $mod for kernel $kver: ${DKMS_MODULES[$nvk]}."
-  done
-}
-
 # display hook usage and exit $1 (default 1)
 usage() {
   cat << EOF >&2
@@ -191,7 +230,7 @@ main() {
   # prevent each dkms call from failing with authorization errors
   if (( EUID )); then
     echo 'You must be root to use this hook' >&2
-    exit 1
+    return 1
   fi
 
   # parse command line options
@@ -206,10 +245,9 @@ main() {
   shift $((OPTIND - 1))
   (( $# != 1 )) && usage
 
-  # register DKMS action
+  # parse command action to early exit
   case "$1" in
-    install|remove)
-      declare -r DKMS_ACTION="$1";;
+    install|remove) declare -r DKMS_ACTION="$1";;
     *) usage;;
   esac
 
@@ -223,27 +261,41 @@ main() {
   local path
   for path in "$source_tree" "$install_tree"; do
     if [[ ! -d "$path" ]]; then
-      echo "==> Missing mandatory directory: $path. Exiting!"
+      echo "==> Missing mandatory directory: $path. Exiting!" >&2
       return 1
     fi
   done
 
-  # storage for DKMS modules to install/remove
-  # we use associate arrays to prevent duplicate
+  # global storage for changed DKMS modules
+  # we use associate arrays to prevent duplication
+  # the key is <module name>/<module version>/<kernel version>
   declare -A DKMS_MODULES
 
-  # parse stdin paths to guess what do do
+  # global storage for changed linux kernels
+  # we use associate arrays to prevent duplication
+  declare -A KERNEL_VERSIONS
+
+  # global storage for error messages
+  declare -a ERROR_MESSAGES
+
+  # parse stdin paths to guess what we should install/remove
   while read -r path; do
     if [[ "/$path" =~ ^$source_tree/([^/]+)-([^/]+)/dkms\.conf$ ]]; then
-      parse_module "${BASH_REMATCH[1]}" "${BASH_REMATCH[2]}"
+      # we match file updates on dkms modules sources
+      DKMS_MODULES["${BASH_REMATCH[1]}/${BASH_REMATCH[2]}"]=''
     elif [[ "/$path" =~ ^$install_tree/([^/]+)/ ]]; then
-      parse_kernel "${BASH_REMATCH[1]}"
+      # we match file updates on kernels install/removal
+      KERNEL_VERSIONS["${BASH_REMATCH[1]}"]=''
     fi
   done
 
   dkms_$DKMS_ACTION
 
-  show_errors
+  # display errors at the end, to maximize readers
+  local msg
+  for msg in "${ERROR_MESSAGES[@]}"; do
+    echo "==> ERROR: $msg" >&2
+  done
 
   return 0
 }
diff --git a/dkms/hook.upgrade b/dkms/hook.upgrade
index 8d1bc42ba1..46d4d42c04 100644
--- a/dkms/hook.upgrade
+++ b/dkms/hook.upgrade
@@ -9,5 +9,5 @@ Target = usr/lib/modules/*/modules.alias
 Description = Remove upgraded DKMS modules
 Depends = dkms
 When = PreTransaction
-Exec = /usr/lib/dkms/alpm-hook -D remove
+Exec = /usr/share/libalpm/scripts/dkms -D remove
 NeedsTargets