Fix issue: systemctl daemon-reload would sporadically cause udev handler fail

build_debian.sh

@@ -111,7 +111,7 @@ sudo LANG=C chroot $FILESYSTEM_ROOT mount
 [ -d $TRUSTED_GPG_DIR ] && [ ! -z "$(ls $TRUSTED_GPG_DIR)" ] && sudo cp $TRUSTED_GPG_DIR/* ${FILESYSTEM_ROOT}/etc/apt/trusted.gpg.d/
 
 ## Pointing apt to public apt mirrors and getting latest packages, needed for latest security updates
-scripts/build_mirror_config.sh files/apt $CONFIGURED_ARCH $IMAGE_DISTRO 
+scripts/build_mirror_config.sh files/apt $CONFIGURED_ARCH $IMAGE_DISTRO
 sudo cp files/apt/sources.list.$CONFIGURED_ARCH $FILESYSTEM_ROOT/etc/apt/sources.list
 sudo cp files/apt/apt.conf.d/{81norecommends,apt-{clean,gzip-indexes,no-languages},no-check-valid-until,apt-multiple-retries} $FILESYSTEM_ROOT/etc/apt/apt.conf.d/
 
@@ -294,7 +294,7 @@ then
     ## Install Kubernetes master
     echo '[INFO] Install kubernetes master'
     install_kubernetes ${MASTER_KUBERNETES_VERSION}
-    
+
     sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT curl -fsSL \
         https://packages.microsoft.com/keys/microsoft.asc | \
         sudo LANG=C chroot $FILESYSTEM_ROOT apt-key add -
@@ -309,7 +309,7 @@ then
     sudo LANG=C chroot $FILESYSTEM_ROOT apt-get -y remove gnupg
     sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT curl -o /tmp/cri-dockerd.deb -fsSL \
         https://github.com/Mirantis/cri-dockerd/releases/download/v${MASTER_CRI_DOCKERD}/cri-dockerd_${MASTER_CRI_DOCKERD}.3-0.debian-${IMAGE_DISTRO}_amd64.deb
-    sudo LANG=C chroot $FILESYSTEM_ROOT apt-get -y install -f /tmp/cri-dockerd.deb 
+    sudo LANG=C chroot $FILESYSTEM_ROOT apt-get -y install -f /tmp/cri-dockerd.deb
     sudo LANG=C chroot $FILESYSTEM_ROOT rm -f /tmp/cri-dockerd.deb
 else
     echo '[INFO] Skipping Install kubernetes master'
@@ -447,6 +447,9 @@ sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y in
     systemd-sysv \
     ntp
 
+# Workaround to fix issue https://github.com/systemd/systemd/issues/24668.
+sudo cp files/image_config/systemd/systemd-udevd/systemd-udevd.service $FILESYSTEM_ROOT/lib/systemd/system/systemd-udevd.service
+
 if [[ $TARGET_BOOTLOADER == grub ]]; then
     if [[ $CONFIGURED_ARCH == amd64 ]]; then
         GRUB_PKG=grub-pc-bin
@@ -634,10 +637,10 @@ then
 fi
 
 # #################
-#   secure boot 
+#   secure boot
 # #################
 if [[ $SECURE_UPGRADE_MODE == 'dev' || $SECURE_UPGRADE_MODE == "prod" && $SONIC_ENABLE_SECUREBOOT_SIGNATURE != 'y' ]]; then
-    # note: SONIC_ENABLE_SECUREBOOT_SIGNATURE is a feature that signing just kernel, 
+    # note: SONIC_ENABLE_SECUREBOOT_SIGNATURE is a feature that signing just kernel,
     # SECURE_UPGRADE_MODE is signing all the boot component including kernel.
     # its required to do not enable both features together to avoid conflicts.
     echo "Secure Boot support build stage: Starting .."
@@ -646,14 +649,14 @@ if [[ $SECURE_UPGRADE_MODE == 'dev' || $SECURE_UPGRADE_MODE == "prod" && $SONIC_
     sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y install      \
         shim-unsigned \
         grub-efi
-    
+
     if [ ! -f $SECURE_UPGRADE_SIGNING_CERT ]; then
         echo "Error: SONiC SECURE_UPGRADE_SIGNING_CERT=$SECURE_UPGRADE_SIGNING_CERT key missing"
         exit 1
     fi
 
     if [[ $SECURE_UPGRADE_MODE == 'dev' ]]; then
-        # development signing & verification 
+        # development signing & verification
 
         if [ ! -f $SECURE_UPGRADE_DEV_SIGNING_KEY ]; then
             echo "Error: SONiC SECURE_UPGRADE_DEV_SIGNING_KEY=$SECURE_UPGRADE_DEV_SIGNING_KEY key missing"

files/image_config/systemd/systemd-udevd/systemd-udevd.service

@@ -0,0 +1,37 @@
+#  SPDX-License-Identifier: LGPL-2.1-or-later
+#
+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation; either version 2.1 of the License, or
+#  (at your option) any later version.
+
+[Unit]
+Description=Rule-based Manager for Device Events and Files
+Documentation=man:systemd-udevd.service(8) man:udev(7)
+DefaultDependencies=no
+After=systemd-sysusers.service systemd-hwdb-update.service
+Before=sysinit.target
+ConditionPathIsReadWrite=/sys
+
+[Service]
+Type=notify
+# Note that udev will reset the value internally for its workers
+OOMScoreAdjust=-1000
+Sockets=systemd-udevd-control.socket systemd-udevd-kernel.socket
+Restart=always
+RestartSec=0
+ExecStart=/lib/systemd/systemd-udevd
+ExecReload=udevadm control --reload --timeout 0
+KillMode=mixed
+TasksMax=infinity
+PrivateMounts=yes
+ProtectHostname=yes
+MemoryDenyWriteExecute=yes
+RestrictAddressFamilies=AF_UNIX AF_NETLINK AF_INET AF_INET6
+RestrictRealtime=yes
+RestrictSUIDSGID=yes
+LockPersonality=yes
+IPAddressDeny=any
+WatchdogSec=3min