diff --git a/release/Makefile.azure b/release/Makefile.azure
index 32e91833b766..b8e7418f35f7 100644
--- a/release/Makefile.azure
+++ b/release/Makefile.azure
@@ -1,53 +1,72 @@
 #
 # $FreeBSD$
 #
 #
 # Makefile for uploading Microsoft Azure disk images.
 #
 
 AZURE_IMG?=		${.OBJDIR}/azure.vhdf
 AZURE_UPLOAD_TGTS=	azure-check-depends \
 			azure-do-upload
 CLEANFILES+=		${AZURE_UPLOAD_TGTS}
 
 .if defined(AZURE_UPLOAD_CONF) && !empty(AZURE_UPLOAD_CONF)
-. for VAR in _STORAGE _ACCOUNT _KEY
-AZURE${VAR}!=	grep -E ^AZURE${VAR} ${AZURE_UPLOAD_CONF} | awk -F'	' '{print $$2}'
+. for VAR in _STORAGE _ACCOUNT _RESOURCEGROUP _KEY _LOCATION
+AZURE${VAR}!=	grep -E ^AZURE${VAR}= ${AZURE_UPLOAD_CONF} | awk '{print $$2}'
 . endfor
 .endif
 
 .if ${BRANCH} == "STABLE" || ${BRANCH} == "CURRENT" || ${BRANCH} == "PRERELEASE"
 SNAPSHOT_DATE!=		date +-${BUILDDATE}
 .endif
 
-AZURE_TARGET:=		${OSRELEASE}${SNAPSHOT_DATE}.vhd
+AZURE_TARGET:=		${OSRELEASE}${SNAPSHOT_DATE}
+
+START_DATE!=	date -v-1d -I -u
+EXPIRY_DATE!=	date -v+1m -I -u
 
 azure-upload:		${AZURE_UPLOAD_TGTS}
 
 azure-check-depends:
-.for VAR in _STORAGE _ACCOUNT _KEY
+.for VAR in _STORAGE _ACCOUNT _RESOURCEGROUP _KEY
 . if !defined(AZURE${VAR}) || empty(AZURE${VAR})
 	@echo "Variable AZURE${VAR} cannot be empty."
 	@false
 . endif
 .endfor
-.if !exists(/usr/local/bin/azure)
-. if !exists(/usr/local/bin/npm)
-.  if !exists(${PORTSDIR}/www/npm/Makefile)
-.   if !exists(/usr/local/sbin/pkg-static)
+.if !exists(/usr/local/bin/az)
+. if !exists(${PORTSDIR}/sysutils/py-azure-cli/Makefile)
+.  if !exists(/usr/local/sbin/pkg-static)
 	env ASSUME_ALWAYS_YES=yes pkg bootstrap -yf
-.   endif
-	env ASSUME_ALWAYS_YES=yes pkg install -y www/npm
-.  else
-	env UNAME_r=${UNAME_r} make -C ${PORTSDIR}/www/npm BATCH=1 all install clean
 .  endif
+	env ASSUME_ALWAYS_YES=yes pkg install -y py38-azure-cli
+. else
+	env UNAME_r=${UNAME_r} make -C ${PORTSDIR}/sysutils/py-azure-cli BATCH=1 all install clean
 . endif
-	npm install -g azure-cli
 .endif
 
 azure-do-upload:
-	/usr/local/bin/azure storage blob upload \
-		${AZURE_IMG} ${AZURE_STORAGE} ${AZURE_TARGET} \
-		-t page -a ${AZURE_ACCOUNT} -k "${AZURE_KEY}"
-	touch ${.OBJDIR}/${.TARGET}
-
+	/usr/local/bin/az storage blob upload \
+		--account-name ${AZURE_ACCOUNT} --account-key ${AZURE_KEY} \
+		--container-name ${AZURE_STORAGE} --type page \
+		--file ${AZURE_IMG} --name ${AZURE_TARGET}.vhd
+	@echo "The disk access URL with shared access signature is:"
+	@echo
+	@echo -n https://${AZURE_ACCOUNT}.blob.core.windows.net/${AZURE_STORAGE}/${AZURE_TARGET}.vhd?
+	@/usr/local/bin/az storage container generate-sas \
+		--account-name ${AZURE_ACCOUNT} --account-key ${AZURE_KEY} \
+		--name ${AZURE_STORAGE} \
+		--permissions lr \
+		--start ${START_DATE} \
+		--expiry ${EXPIRY_DATE} | cut -d '"' -f 2
+	@echo
+	@echo "Please go to Microsoft Partner Center to create a new offer and publish it:"
+	@echo
+	@echo "https://partner.microsoft.com/dashboard/commercial-marketplace/overview"
+	@echo
+	@echo "After the new offer status is live, you can delete the disk file with:"
+	@echo
+	@echo /usr/local/bin/az storage blob delete \
+		--account-name ${AZURE_ACCOUNT} --account-key ${AZURE_KEY} \
+		--container-name ${AZURE_STORAGE} --name ${AZURE_TARGET}.vhd
+	@echo
diff --git a/release/Makefile.vm b/release/Makefile.vm
index 2240a1e5fc57..72b150022ef7 100644
--- a/release/Makefile.vm
+++ b/release/Makefile.vm
@@ -1,181 +1,181 @@
 #
 # $FreeBSD$
 #
 #
 # Makefile for building virtual machine and cloud provider disk images.
 #
 
 VMTARGETS=	vm-image
 VMFORMATS?=	vhd vmdk qcow2 raw
 VMSIZE?=	4096m
 SWAPSIZE?=	1g
 VMBASE?=	vm
 
 VHD_DESC=	Azure, VirtualPC, Hyper-V, Xen disk image
 VMDK_DESC=	VMWare, VirtualBox disk image
 QCOW2_DESC=	Qemu, KVM disk image
 RAW_DESC=	Unformatted raw disk image
 
 CLOUDWARE?=	BASIC-CI \
 		EC2 \
 		GCE \
 		VAGRANT-VIRTUALBOX \
 		VAGRANT-VMWARE
 AZURE_FORMAT=	vhdf
 AZURE_DESC=	Microsoft Azure platform image
 AZURE_DISK=	${OSRELEASE}.${AZURE_FORMAT}
 BASIC-CI_FORMAT=	raw
 BASIC-CI_DESC=		Image for CI
 BASIC-CI_DISK=	${OSRELEASE}.${BASIC-CI_FORMAT}
 EC2_FORMAT=	raw
 EC2_DESC=	Amazon EC2 image
 EC2_DISK=	${OSRELEASE}.${EC2_FORMAT}
 GCE_FORMAT=	raw
 GCE_DESC=	Google Compute Engine image
 GCE_DISK=	disk.${GCE_FORMAT}
 OPENSTACK_FORMAT=qcow2
 OPENSTACK_DESC=	OpenStack platform image
 OPENSTACK_DISK=	${OSRELEASE}.${OPENSTACK_FORMAT}
 VAGRANT-VIRTUALBOX_FORMAT=	vmdk
 VAGRANT-VIRTUALBOX_DESC=	Vagrant Image for VirtualBox
 VAGRANT-VIRTUALBOX_DISK=	${OSRELEASE}.vbox.${VAGRANT_FORMAT}
 VAGRANT-VMWARE_FORMAT=	vmdk
 VAGRANT-VMWARE_DESC=	Vagrant Image for VMWare
 VAGRANT-VMWARE_DISK=	${OSRELEASE}.vmware.${VAGRANT_FORMAT}
 
 .for _V in TYPE BRANCH REVISION
 . if !defined(${_V}) || empty(${_V})
 ${_V}!=	eval $$(awk '/^${_V}=/{print}' ${.CURDIR}/../sys/conf/newvers.sh); echo $$${_V}
 . endif
 .endfor
 
 emulator-portinstall:
 .if ${TARGET_ARCH} != ${MACHINE_ARCH}
 .if ( ${TARGET_ARCH} != "i386" ) || ( ${MACHINE_ARCH} != "amd64" )
 .if !exists(/usr/local/bin/qemu-${TARGET_ARCH}-static)
 .if exists(${PORTSDIR}/emulators/qemu-user-static/Makefile)
 	env - UNAME_r=${UNAME_r} PATH=$$PATH make -C ${PORTSDIR}/emulators/qemu-user-static BATCH=1 all install clean
 .else
 .if !exists(/usr/local/sbin/pkg-static)
 	env ASSUME_ALWAYS_YES=yes pkg bootstrap -y
 .endif
 	env ASSUME_ALWAYS_YES=yes pkg install -y emulators/qemu-user-static
 .endif
 .endif
 
 QEMUSTATIC=/usr/local/bin/qemu-${TARGET_ARCH}-static
 .endif
 .endif
 
 .if defined(WITH_CLOUDWARE) && !empty(WITH_CLOUDWARE) && !empty(CLOUDWARE)
 . for _CW in ${CLOUDWARE}
 CLOUDTARGETS+=	cw-${_CW:tl}
 CLEANDIRS+=	cw-${_CW:tl}
 CLEANFILES+=	${_CW:tl}.img \
 		${_CW:tl}.${${_CW:tu}_FORMAT} \
 		${_CW:tl}.${${_CW:tu}_FORMAT}.raw \
 		cw${_CW:tl}-package
 CLOUDPACKAGE+=	cw${_CW:tl}-package
 ${_CW:tu}IMAGE=	${_CW:tl}.${${_CW:tu}_FORMAT}
 .  if exists(${.CURDIR}/tools/${_CW:tl}.conf) && !defined(${_CW:tu}CONF)
 ${_CW:tu}CONF?=	${.CURDIR}/tools/${_CW:tl}.conf
 .  endif
 
 cw-${_CW:tl}: emulator-portinstall
 	mkdir -p ${.OBJDIR}/${.TARGET}
 	env TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH} SWAPSIZE=${SWAPSIZE} \
 		QEMUSTATIC=${QEMUSTATIC} \
 		${.CURDIR}/scripts/mk-vmimage.sh \
 		-C ${.CURDIR}/tools/vmimage.subr -d ${.OBJDIR}/${.TARGET} \
 		-i ${.OBJDIR}/${_CW:tl}.img -s ${VMSIZE} -f ${${_CW:tu}_FORMAT} \
 		-S ${WORLDDIR} -o ${.OBJDIR}/${${_CW:tu}IMAGE} -c ${${_CW:tu}CONF}
 	touch ${.TARGET}
 
 cw${_CW:tl}-package:
 	@# Special target to handle packaging cloud images in the formats
 	@# specific to each hosting provider.
 .if exists(${.CURDIR}/tools/${_CW:tl}-package.sh)
 	env TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH} \
 		${.CURDIR}/tools/${_CW:tl}-package.sh \
 		-D ${DESTDIR} -I ${${_CW}_DISK} -S ${WORLDDIR}
 .endif
 	touch ${.TARGET}
 
 . endfor
 .endif
 
 .if defined(WITH_VMIMAGES) && !empty(WITH_VMIMAGES)
 CLEANDIRS+=	${VMTARGETS}
 . for FORMAT in ${VMFORMATS}
 CLEANFILES+=	${FORMAT}.img
 CLEANFILES+=	${VMBASE}.${FORMAT}
 . endfor
 .endif
 
 vm-base:	vm-image
 
 vm-image:
 .if defined(WITH_VMIMAGES) && !empty(WITH_VMIMAGES)
 . for FORMAT in ${VMFORMATS}
 	mkdir -p ${.OBJDIR}/${.TARGET}
 	env TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH} SWAPSIZE=${SWAPSIZE} \
 		${.CURDIR}/scripts/mk-vmimage.sh \
 		-C ${.CURDIR}/tools/vmimage.subr -d ${.OBJDIR}/${.TARGET} \
 		-i ${.OBJDIR}/${FORMAT}.img -s ${VMSIZE} -f ${FORMAT} \
 		-S ${WORLDDIR} -o ${.OBJDIR}/${VMBASE}.${FORMAT}
 . endfor
 .endif
 	touch ${.TARGET}
 
 vm-cloudware:	${CLOUDTARGETS}
 
 list-vmtargets:	list-cloudware
 	@${ECHO}
 	@${ECHO} "Supported virtual machine disk image formats:"
 .for FORMAT in ${VMFORMATS:tu}
 	@${ECHO} "  ${FORMAT:tl}: ${${FORMAT}_DESC}"
 .endfor
 
 list-cloudware:
 .if !empty(CLOUDWARE)
 	@${ECHO}
 	@${ECHO} "Supported cloud hosting provider images:"
 . for _CW in ${CLOUDWARE}
 	@${ECHO} "  ${_CW:tu}: ${${_CW:tu}_DESC}"
 . endfor
 .endif
 
 vm-install:
 .if defined(WITH_VMIMAGES) && !empty(WITH_VMIMAGES)
 	mkdir -p ${DESTDIR}/vmimages
 . for FORMAT in ${VMFORMATS}
 	cp -p ${VMBASE}.${FORMAT} \
 		${DESTDIR}/vmimages/${OSRELEASE}.${FORMAT}
 . endfor
 . if defined(WITH_COMPRESSED_VMIMAGES) && !empty(WITH_COMPRESSED_VMIMAGES)
 .  for FORMAT in ${VMFORMATS}
 	# Don't keep the originals.  There is a copy in ${.OBJDIR} if needed.
 	${XZ_CMD} ${DESTDIR}/vmimages/${OSRELEASE}.${FORMAT}
 .  endfor
 . endif
 	cd ${DESTDIR}/vmimages && sha512 ${OSRELEASE}* > \
 		${DESTDIR}/vmimages/CHECKSUM.SHA512
 	cd ${DESTDIR}/vmimages && sha256 ${OSRELEASE}* > \
 		${DESTDIR}/vmimages/CHECKSUM.SHA256
 .endif
 
 vm-release:
 .if defined(WITH_VMIMAGES) && !empty(WITH_VMIMAGES)
 	${MAKE} -C ${.CURDIR} ${.MAKEFLAGS} ${VMTARGETS}
 .endif
 
 cloudware-release:
 .if defined(WITH_CLOUDWARE) && !empty(WITH_CLOUDWARE) && !empty(CLOUDWARE)
 	${MAKE} -C ${.CURDIR} ${.MAKEFLAGS} ${CLOUDTARGETS}
 .endif
 
-.include "${.CURDIR}/Makefile.ec2"
 .include "${.CURDIR}/Makefile.azure"
+.include "${.CURDIR}/Makefile.ec2"
 .include "${.CURDIR}/Makefile.gce"
 .include "${.CURDIR}/Makefile.vagrant"
 .include "${.CURDIR}/Makefile.inc1"
diff --git a/release/tools/azure.conf b/release/tools/azure.conf
index c88651a07745..a9126ed8c389 100644
--- a/release/tools/azure.conf
+++ b/release/tools/azure.conf
@@ -1,29 +1,58 @@
 #!/bin/sh
 #
 # $FreeBSD$
 #
 
+# Convention of Linux type VM on Azure is 30G
+export VMSIZE=30g
+
 # Set to a list of packages to install.
-# Example:
-#export VM_EXTRA_PACKAGES="www/apache24"
-export VM_EXTRA_PACKAGES="${VM_EXTRA_PACKAGES} sysutils/azure-agent"
+export VM_EXTRA_PACKAGES="azure-agent python python3 firstboot-freebsd-update firstboot-pkgs"
 
 # Set to a list of third-party software to enable in rc.conf(5).
-# Example:
-#export VM_RC_LIST="apache24"
-export VM_RC_LIST=
+export VM_RC_LIST="ntpd sshd waagent firstboot_freebsd_update firstboot_pkgs"
+
+# No swap space; waagent will allocate swap space on the resource disk.
+# See ResourceDisk.EnableSwap and ResourceDisk.SwapSizeMB in waagent.conf
+export NOSWAP=YES
+
+# https://docs.microsoft.com/en-us/azure/marketplace/azure-vm-create-certification-faq#vm-images-must-have-1mb-free-space
+export VM_BOOTPARTSOFFSET=1M
 
 vm_extra_pre_umount() {
-	chroot ${DESTDIR} ln -s /usr/local/sbin/waagent /usr/sbin/waagent
-	chroot ${DESTDIR} /usr/local/sbin/waagent -verbose -install
-	yes | chroot ${DESTDIR} /usr/local/sbin/waagent -deprovision
-	echo 'sshd_enable="YES"' >> ${DESTDIR}/etc/rc.conf
-	echo 'ifconfig_hn0="SYNCDHCP"' >> ${DESTDIR}/etc/rc.conf
-	echo 'waagent_enable="YES"' >> ${DESTDIR}/etc/rc.conf
-	echo 'console="comconsole vidconsole"' >> ${DESTDIR}/boot/loader.conf
-	echo 'comconsole_speed="115200"' >> ${DESTDIR}/boot/loader.conf
+	# The firstboot_pkgs rc.d script will download the repository
+	# catalogue and install or update pkg when the instance first
+	# launches, so these files would just be replaced anyway; removing
+	# them from the image allows it to boot faster.
+	mount -t devfs devfs ${DESTDIR}/dev
+	chroot ${DESTDIR} ${EMULATOR} env ASSUME_ALWAYS_YES=yes \
+		/usr/sbin/pkg delete -f -y pkg
+	umount ${DESTDIR}/dev
+	rm ${DESTDIR}/var/db/pkg/repo-*.sqlite
+
+	yes | chroot ${DESTDIR} ${EMULATOR} /usr/local/sbin/waagent -deprovision
+
+	cat << EOF >> ${DESTDIR}/etc/rc.conf
+ifconfig_hn0="SYNCDHCP"
+ntpd_sync_on_start="YES"
+EOF
+
+	cat << EOF >> ${DESTDIR}/boot/loader.conf
+autoboot_delay="-1"
+beastie_disable="YES"
+loader_logo="none"
+hw.memtest.tests="0"
+console="comconsole efi vidconsole"
+comconsole_speed="115200"
+boot_multicons="YES"
+boot_serial="YES"
+mlx4en_load="YES"
+mlx5en_load="YES"
+EOF
+
+	touch ${DESTDIR}/firstboot
 
 	rm -f ${DESTDIR}/etc/resolv.conf
 
 	return 0
 }
diff --git a/release/tools/vmimage.subr b/release/tools/vmimage.subr
index c2b2e21200f1..0d9202431822 100644
--- a/release/tools/vmimage.subr
+++ b/release/tools/vmimage.subr
@@ -1,267 +1,272 @@
 #!/bin/sh
 #
 # $FreeBSD$
 #
 #
 # Common functions for virtual machine image build scripts.
 #
 
 scriptdir=$(dirname $(realpath $0))
 . ${scriptdir}/../../tools/boot/install-boot.sh
 
 export PATH="/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin"
 trap "cleanup" INT QUIT TRAP ABRT TERM
 
 # Platform-specific large-scale setup
 # Most platforms use GPT, so put that as default, then special cases
 PARTSCHEME=gpt
 ROOTLABEL="gpt"
 case "${TARGET}:${TARGET_ARCH}" in
 	powerpc:powerpc*)
 		PARTSCHEME=mbr
 		ROOTLABEL="ufs"
 		NOSWAP=yes # Can't label swap partition with MBR, so no swap
 	;;
 esac
 
 err() {
 	printf "${@}\n"
 	cleanup
 	return 1
 }
 
 cleanup() {
 	if [ -c "${DESTDIR}/dev/null" ]; then
 		umount_loop ${DESTDIR}/dev 2>/dev/null
 	fi
 
 	return 0
 }
 
 vm_create_base() {
 	# Creates the UFS root filesystem for the virtual machine disk,
 	# written to the formatted disk image with mkimg(1).
 
 	mkdir -p ${DESTDIR}
 
 	return 0
 }
 
 vm_copy_base() {
 	# Defunct
 }
 
 vm_install_base() {
 	# Installs the FreeBSD userland/kernel to the virtual machine disk.
 
 	cd ${WORLDDIR} && \
 		make DESTDIR=${DESTDIR} \
 		installworld installkernel distribution || \
 		err "\n\nCannot install the base system to ${DESTDIR}."
 
 	# Bootstrap etcupdate(8) and mergemaster(8) databases.
 	mkdir -p ${DESTDIR}/var/db/etcupdate
 	etcupdate extract -B \
 		-M "TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH}" \
 		-s ${WORLDDIR} -d ${DESTDIR}/var/db/etcupdate
 	sh ${WORLDDIR}/release/scripts/mm-mtree.sh -m ${WORLDDIR} \
 		-F "TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH}" \
 		-D ${DESTDIR}
 
 	echo '# Custom /etc/fstab for FreeBSD VM images' \
 		> ${DESTDIR}/etc/fstab
 	echo "/dev/${ROOTLABEL}/rootfs   /       ufs     rw      1       1" \
 		>> ${DESTDIR}/etc/fstab
 	if [ -z "${NOSWAP}" ]; then
 		echo '/dev/gpt/swapfs  none    swap    sw      0       0' \
 			>> ${DESTDIR}/etc/fstab
 	fi
 
 	local hostname
 	hostname="$(echo $(uname -o) | tr '[:upper:]' '[:lower:]')"
 	echo "hostname=\"${hostname}\"" >> ${DESTDIR}/etc/rc.conf
 
 	if ! [ -z "${QEMUSTATIC}" ]; then
 		export EMULATOR=/qemu
 		cp ${QEMUSTATIC} ${DESTDIR}/${EMULATOR}
 	fi
 
 	mkdir -p ${DESTDIR}/dev
 	mount -t devfs devfs ${DESTDIR}/dev
 	chroot ${DESTDIR} ${EMULATOR} /usr/bin/newaliases
 	chroot ${DESTDIR} ${EMULATOR} /bin/sh /etc/rc.d/ldconfig forcestart
 	umount_loop ${DESTDIR}/dev
 
 	cp /etc/resolv.conf ${DESTDIR}/etc/resolv.conf
 
 	return 0
 }
 
 vm_extra_install_base() {
 	# Prototype.  When overridden, runs extra post-installworld commands
 	# as needed, based on the target virtual machine image or cloud
 	# provider image target.
 
 	return 0
 }
 
 vm_extra_enable_services() {
 	if [ ! -z "${VM_RC_LIST}" ]; then
 		for _rcvar in ${VM_RC_LIST}; do
 			echo ${_rcvar}_enable="YES" >> ${DESTDIR}/etc/rc.conf
 		done
 	fi
 
 	if [ -z "${VMCONFIG}" -o -c "${VMCONFIG}" ]; then
 		echo 'ifconfig_DEFAULT="DHCP inet6 accept_rtadv"' >> \
 			${DESTDIR}/etc/rc.conf
 		# Expand the filesystem to fill the disk.
 		echo 'growfs_enable="YES"' >> ${DESTDIR}/etc/rc.conf
 		touch ${DESTDIR}/firstboot
 	fi
 
 	return 0
 }
 
 vm_extra_install_packages() {
 	if [ -z "${VM_EXTRA_PACKAGES}" ]; then
 		return 0
 	fi
 	mkdir -p ${DESTDIR}/dev
 	mount -t devfs devfs ${DESTDIR}/dev
 	chroot ${DESTDIR} ${EMULATOR} env ASSUME_ALWAYS_YES=yes \
 		/usr/sbin/pkg bootstrap -y
 	for p in ${VM_EXTRA_PACKAGES}; do
 		chroot ${DESTDIR} ${EMULATOR} env ASSUME_ALWAYS_YES=yes \
 			/usr/sbin/pkg install -y ${p}
 	done
 	umount_loop ${DESTDIR}/dev
 
 	return 0
 }
 
 vm_extra_install_ports() {
 	# Prototype.  When overridden, installs additional ports within the
 	# virtual machine environment.
 
 	return 0
 }
 
 vm_extra_pre_umount() {
 	# Prototype.  When overridden, performs additional tasks within the
 	# virtual machine environment prior to unmounting the filesystem.
 	# Note: When overriding this function, removing resolv.conf in the
 	# disk image must be included.
 
 	if ! [ -z "${QEMUSTATIC}" ]; then
 		rm -f ${DESTDIR}/${EMULATOR}
 	fi
 	rm -f ${DESTDIR}/etc/resolv.conf
 	return 0
 }
 
 vm_extra_pkg_rmcache() {
 	if [ -e ${DESTDIR}/usr/local/sbin/pkg ]; then
 		chroot ${DESTDIR} ${EMULATOR} env ASSUME_ALWAYS_YES=yes \
 			/usr/local/sbin/pkg clean -y -a
 	fi
 
 	return 0
 }
 
 umount_loop() {
 	DIR=$1
 	i=0
 	sync
 	while ! umount ${DIR}; do
 		i=$(( $i + 1 ))
 		if [ $i -ge 10 ]; then
 			# This should never happen.  But, it has happened.
 			echo "Cannot umount(8) ${DIR}"
 			echo "Something has gone horribly wrong."
 			return 1
 		fi
 		sleep 1
 	done
 
 	return 0
 }
 
 vm_create_disk() {
 	echo "Creating image...  Please wait."
 	echo
 
 	if [ -z "${NOSWAP}" ]; then
 		SWAPOPT="-p freebsd-swap/swapfs::${SWAPSIZE}"
 	fi
 
+	if [ -n "${VM_BOOTPARTSOFFSET}" ]; then
+		BOOTPARTSOFFSET=":${VM_BOOTPARTSOFFSET}"
+	fi
+
+
 	BOOTFILES="$(env TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH} \
 		WITH_UNIFIED_OBJDIR=yes \
 		make -C ${WORLDDIR}/stand -V .OBJDIR)"
 	BOOTFILES="$(realpath ${BOOTFILES})"
 
 	case "${TARGET}:${TARGET_ARCH}" in
 		amd64:amd64 | i386:i386)
 			ESP=yes
 			BOOTPARTS="-b ${BOOTFILES}/i386/pmbr/pmbr \
-				   -p freebsd-boot/bootfs:=${BOOTFILES}/i386/gptboot/gptboot"
+				   -p freebsd-boot/bootfs:=${BOOTFILES}/i386/gptboot/gptboot${BOOTPARTSOFFSET}"
 			ROOTFSPART="-p freebsd-ufs/rootfs:=${VMBASE}"
 			MAKEFSARGS="-B little"
 			;;
 		arm64:aarch64 | riscv:riscv64*)
 			ESP=yes
 			BOOTPARTS=
 			ROOTFSPART="-p freebsd-ufs/rootfs:=${VMBASE}"
 			MAKEFSARGS="-B little"
 			;;
 		powerpc:powerpc*)
 			ESP=no
 			BOOTPARTS="-p prepboot:=${BOOTFILES}/powerpc/boot1.chrp/boot1.elf -a 1"
 			ROOTFSPART="-p freebsd:=${VMBASE}"
 			if [ ${TARGET_ARCH} = powerpc64le ]; then
 				MAKEFSARGS="-B little"
 			else
 				MAKEFSARGS="-B big"
 			fi
 			;;
 		*)
 			echo "vmimage.subr: unsupported target '${TARGET}:${TARGET_ARCH}'" >&2
 			exit 1
 			;;
 	esac
 
 	if [ ${ESP} = "yes" ]; then
 		# Create an ESP
 		espfilename=$(mktemp /tmp/efiboot.XXXXXX)
 		make_esp_file ${espfilename} ${fat32min} ${BOOTFILES}/efi/loader_lua/loader_lua.efi
 		BOOTPARTS="${BOOTPARTS} -p efi/efiesp:=${espfilename}"
 
 		# Add this to fstab
 		mkdir -p ${DESTDIR}/boot/efi
 		echo "/dev/${ROOTLABEL}/efiesp	/boot/efi       msdosfs     rw      2       2" \
 			>> ${DESTDIR}/etc/fstab
 	fi
 
 	echo "Building filesystem...  Please wait."
 	makefs ${MAKEFSARGS} -o label=rootfs -o version=2 -o softupdates=1 \
 	    -s ${VMSIZE} ${VMBASE} ${DESTDIR}
 
 	echo "Building final disk image...  Please wait."
 	mkimg -s ${PARTSCHEME} -f ${VMFORMAT} \
 		${BOOTPARTS} \
 		${SWAPOPT} \
 		${ROOTFSPART} \
 		-o ${VMIMAGE}
 
 	if [ ${ESP} = "yes" ]; then
 		rm ${espfilename}
 	fi
 
 	return 0
 }
 
 vm_extra_create_disk() {
 
 	return 0
 }