diff --git a/qemu-check.exp b/qemu-check.exp
index bfb4a2a..2a4eb34 100644
--- a/qemu-check.exp
+++ b/qemu-check.exp
@@ -106,9 +106,9 @@
 set teecore $spawn_id
 if {[string first "aarch64" $::env(QEMU)] != -1} {
 	if {$::env(XEN_BOOT) == "y"} {
-		spawn $::env(QEMU) -nographic -serial mon:stdio -serial file:serial1.log -smp $::env(QEMU_SMP) -machine virt,secure=on,mte=$::env(QEMU_MTE),gic-version=$::env(QEMU_GIC),virtualization=true -cpu $::env(QEMU_CPU) -d unimp -semihosting-config enable=on,target=native -m $::env(QEMU_MEM) -bios bl1.bin -initrd rootfs.cpio.gz -kernel Image -no-acpi -append "console=ttyAMA0,38400 keep_bootcon root=/dev/vda2" -drive if=none,file=xen.ext4,format=raw,id=hd1 -device virtio-blk-device,drive=hd1 -fsdev local,id=fsdev0,path=../..,security_model=none -device virtio-9p-device,fsdev=fsdev0,mount_tag=host
+		spawn $::env(QEMU) -nographic -serial mon:stdio -serial file:serial1.log -smp $::env(QEMU_SMP) -machine virt,acpi=off,secure=on,mte=$::env(QEMU_MTE),gic-version=$::env(QEMU_GIC),virtualization=true -cpu $::env(QEMU_CPU) -d unimp -semihosting-config enable=on,target=native -m $::env(QEMU_MEM) -bios bl1.bin -initrd rootfs.cpio.gz -kernel Image -append "console=ttyAMA0,38400 keep_bootcon root=/dev/vda2" -drive if=none,file=xen.ext4,format=raw,id=hd1 -device virtio-blk-device,drive=hd1 -fsdev local,id=fsdev0,path=../..,security_model=none -device virtio-9p-device,fsdev=fsdev0,mount_tag=host
 	} else {
-		spawn $::env(QEMU) -nographic -serial mon:stdio -serial file:serial1.log -smp $::env(QEMU_SMP) -machine virt,secure=on,mte=$::env(QEMU_MTE),gic-version=$::env(QEMU_GIC) -cpu $::env(QEMU_CPU) -d unimp -semihosting-config enable=on,target=native -m $::env(QEMU_MEM) -bios bl1.bin -initrd rootfs.cpio.gz -kernel Image -no-acpi -append "console=ttyAMA0,38400 keep_bootcon root=/dev/vda2"
+		spawn $::env(QEMU) -nographic -serial mon:stdio -serial file:serial1.log -smp $::env(QEMU_SMP) -machine virt,acpi=off,secure=on,mte=$::env(QEMU_MTE),gic-version=$::env(QEMU_GIC) -cpu $::env(QEMU_CPU) -d unimp -semihosting-config enable=on,target=native -m $::env(QEMU_MEM) -bios bl1.bin -initrd rootfs.cpio.gz -kernel Image -append "console=ttyAMA0,38400 keep_bootcon root=/dev/vda2"
 	}
 } else {
 	spawn $::env(QEMU) -nographic -monitor none -machine virt -machine secure=on -cpu cortex-a15 -smp $::env(QEMU_SMP) -d unimp -semihosting-config enable=on,target=native -m 1057 -serial stdio -serial file:serial1.log -bios $bios
diff --git a/qemu_v8.mk b/qemu_v8.mk
index 89de524..92702e0 100644
--- a/qemu_v8.mk
+++ b/qemu_v8.mk
@@ -474,13 +474,13 @@
 		-nographic \
 		-serial tcp:localhost:54320 -serial tcp:localhost:54321 \
 		-smp $(QEMU_SMP) \
-		-s -S -machine virt,secure=on,mte=$(QEMU_MTE),gic-version=$(QEMU_GIC_VERSION),virtualization=$(QEMU_VIRT) \
+		-s -S -machine virt,acpi=off,secure=on,mte=$(QEMU_MTE),gic-version=$(QEMU_GIC_VERSION),virtualization=$(QEMU_VIRT) \
 		-cpu $(QEMU_CPU) \
 		-d unimp -semihosting-config enable=on,target=native \
 		-m $(QEMU_MEM) \
 		-bios bl1.bin		\
 		-initrd rootfs.cpio.gz \
-		-kernel Image -no-acpi \
+		-kernel Image \
 		-append 'console=ttyAMA0,38400 keep_bootcon root=/dev/vda2 $(QEMU_KERNEL_BOOTARGS)' \
 		$(QEMU_XEN) \
 		$(QEMU_EXTRA_ARGS)