diff --git a/misc/acrn-config/acpi_gen/asl_gen.py b/misc/acrn-config/acpi_gen/asl_gen.py
index ff76d76f3..f7f246229 100644
--- a/misc/acrn-config/acpi_gen/asl_gen.py
+++ b/misc/acrn-config/acpi_gen/asl_gen.py
@@ -445,7 +445,14 @@ def main(args):
     except:
         PASSTHROUGH_PTCT = False
 
+    kern_args = common.get_leaf_tag_map(scenario, "os_config", "bootargs")
     for vm_id, passthru_devices in dict_passthru_devices.items():
+        if kern_args[int(vm_id)].find('reboot=acpi') == -1:
+            emsg = "you need to specify 'reboot=acpi' in scenario file's bootargs for VM{}".format(vm_id)
+            print(emsg)
+            err_dic['vm,bootargs'] = emsg
+            break
+
         print('start to generate ACPI ASL code for VM{}'.format(vm_id))
         dest_vm_acpi_path = os.path.join(DEST_ACPI_PATH, 'VM'+vm_id)
         if not os.path.isdir(dest_vm_acpi_path):
diff --git a/misc/acrn-config/scenario_config/scenario_cfg_gen.py b/misc/acrn-config/scenario_config/scenario_cfg_gen.py
index 8c7e50c24..35672a160 100755
--- a/misc/acrn-config/scenario_config/scenario_cfg_gen.py
+++ b/misc/acrn-config/scenario_config/scenario_cfg_gen.py
@@ -214,7 +214,8 @@ def main(args):
 
 
     # generate ASL code of ACPI tables for Pre-launched VMs
-    asl_gen.main(args)
+    if not err_dic:
+        err_dic = asl_gen.main(args)
 
     if not err_dic:
         print("Scenario configuration files were created successfully.")
diff --git a/misc/vm_configs/xmls/config-xmls/apl-mrb/hybrid.xml b/misc/vm_configs/xmls/config-xmls/apl-mrb/hybrid.xml
index 6c1d0606a..cffad6acd 100644
--- a/misc/vm_configs/xmls/config-xmls/apl-mrb/hybrid.xml
+++ b/misc/vm_configs/xmls/config-xmls/apl-mrb/hybrid.xml
@@ -86,7 +86,7 @@
         <kern_type desc="Specify the kernel image type so that hypervisor could load it correctly. Currently support KERNEL_BZIMAGE and KERNEL_ZEPHYR.">KERNEL_ZEPHYR</kern_type>
         <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">Zephyr_RawImage</kern_mod>
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
-        <bootargs desc="Specify kernel boot arguments"></bootargs>
+        <bootargs desc="Specify kernel boot arguments">reboot=acpi</bootargs>
         <kern_load_addr desc="The loading address in host memory for the VM kernel">0x8000</kern_load_addr>
         <kern_entry_addr desc="The entry address in host memory for the VM kernel">0x8000</kern_entry_addr>
     </os_config>
diff --git a/misc/vm_configs/xmls/config-xmls/apl-mrb/logical_partition.xml b/misc/vm_configs/xmls/config-xmls/apl-mrb/logical_partition.xml
index ec0921b91..c7387b303 100644
--- a/misc/vm_configs/xmls/config-xmls/apl-mrb/logical_partition.xml
+++ b/misc/vm_configs/xmls/config-xmls/apl-mrb/logical_partition.xml
@@ -89,7 +89,8 @@
         <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">Linux_bzImage</kern_mod>
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
         <bootargs desc="Specify kernel boot arguments">
-        rw root=/dev/mmcblk1p1 rootwait console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M consoleblank=0 tsc=reliable
+        rw root=/dev/mmcblk1p1 rootwait console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M
+        consoleblank=0 tsc=reliable reboot=acpi
         </bootargs>
     </os_config>
     <legacy_vuart id="0">
@@ -151,7 +152,7 @@
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
         <bootargs desc="Specify kernel boot arguments">
         rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M
-        consoleblank=0 tsc=reliable
+        consoleblank=0 tsc=reliable reboot=acpi
         </bootargs>
     </os_config>
     <legacy_vuart id="0">
diff --git a/misc/vm_configs/xmls/config-xmls/apl-up2-n3350/logical_partition.xml b/misc/vm_configs/xmls/config-xmls/apl-up2-n3350/logical_partition.xml
index 2e534dd0e..9d888dd44 100644
--- a/misc/vm_configs/xmls/config-xmls/apl-up2-n3350/logical_partition.xml
+++ b/misc/vm_configs/xmls/config-xmls/apl-up2-n3350/logical_partition.xml
@@ -89,6 +89,7 @@
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
         <bootargs desc="Specify kernel boot arguments">
         rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M consoleblank=0 tsc=reliable
+        reboot=acpi
         </bootargs>
     </os_config>
     <legacy_vuart id="0">
@@ -148,7 +149,7 @@
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
         <bootargs desc="Specify kernel boot arguments">
         rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M
-        consoleblank=0 tsc=reliable
+        consoleblank=0 tsc=reliable reboot=acpi
         </bootargs>
     </os_config>
     <legacy_vuart id="0">
diff --git a/misc/vm_configs/xmls/config-xmls/apl-up2/hybrid.xml b/misc/vm_configs/xmls/config-xmls/apl-up2/hybrid.xml
index 2e9ae494a..84d6abdaa 100644
--- a/misc/vm_configs/xmls/config-xmls/apl-up2/hybrid.xml
+++ b/misc/vm_configs/xmls/config-xmls/apl-up2/hybrid.xml
@@ -86,7 +86,7 @@
         <kern_type desc="Specify the kernel image type so that hypervisor could load it correctly. Currently support KERNEL_BZIMAGE and KERNEL_ZEPHYR.">KERNEL_ZEPHYR</kern_type>
         <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">Zephyr_RawImage</kern_mod>
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
-        <bootargs desc="Specify kernel boot arguments"></bootargs>
+        <bootargs desc="Specify kernel boot arguments">reboot=acpi</bootargs>
         <kern_load_addr desc="The loading address in host memory for the VM kernel">0x8000</kern_load_addr>
         <kern_entry_addr desc="The entry address in host memory for the VM kernel">0x8000</kern_entry_addr>
     </os_config>
diff --git a/misc/vm_configs/xmls/config-xmls/apl-up2/logical_partition.xml b/misc/vm_configs/xmls/config-xmls/apl-up2/logical_partition.xml
index 2d4e277c4..35711f3ec 100644
--- a/misc/vm_configs/xmls/config-xmls/apl-up2/logical_partition.xml
+++ b/misc/vm_configs/xmls/config-xmls/apl-up2/logical_partition.xml
@@ -91,6 +91,7 @@
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
         <bootargs desc="Specify kernel boot arguments">
         rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M consoleblank=0 tsc=reliable
+        reboot=acpi
         </bootargs>
     </os_config>
     <legacy_vuart id="0">
@@ -152,7 +153,7 @@
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
         <bootargs desc="Specify kernel boot arguments">
         rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M
-        consoleblank=0 tsc=reliable
+        consoleblank=0 tsc=reliable reboot=acpi
         </bootargs>
     </os_config>
     <legacy_vuart id="0">
diff --git a/misc/vm_configs/xmls/config-xmls/cfl-k700-i7/hybrid_rt.xml b/misc/vm_configs/xmls/config-xmls/cfl-k700-i7/hybrid_rt.xml
index e634cb131..f2b9b67ab 100644
--- a/misc/vm_configs/xmls/config-xmls/cfl-k700-i7/hybrid_rt.xml
+++ b/misc/vm_configs/xmls/config-xmls/cfl-k700-i7/hybrid_rt.xml
@@ -86,7 +86,7 @@
         <kern_type desc="Specify the kernel image type so that hypervisor could load it correctly. Currently support KERNEL_BZIMAGE and KERNEL_ZEPHYR.">KERNEL_BZIMAGE</kern_type>
         <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">RT_bzImage</kern_mod>
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
-        <bootargs desc="Specify kernel boot arguments">rw rootwait root=/dev/nvme0n1p3 earlyprintk=serial,ttyS0,115200 console=ttyS0,115200n8 log_buf_len=2M ignore_loglevel noxsave nohpet no_timer_check tsc=reliable</bootargs>
+        <bootargs desc="Specify kernel boot arguments">rw rootwait root=/dev/nvme0n1p3 earlyprintk=serial,ttyS0,115200 console=ttyS0,115200n8 log_buf_len=2M ignore_loglevel noxsave nohpet no_timer_check tsc=reliable reboot=acpi</bootargs>
     </os_config>
     <legacy_vuart id="0">
         <type configurable="0" desc="vCOM1 type">VUART_LEGACY_PIO</type>
diff --git a/misc/vm_configs/xmls/config-xmls/ehl-crb-b/hybrid.xml b/misc/vm_configs/xmls/config-xmls/ehl-crb-b/hybrid.xml
index dbb9fa63e..cde466da7 100644
--- a/misc/vm_configs/xmls/config-xmls/ehl-crb-b/hybrid.xml
+++ b/misc/vm_configs/xmls/config-xmls/ehl-crb-b/hybrid.xml
@@ -99,7 +99,7 @@
             <kern_type desc="Specify the kernel image type so that hypervisor could load it correctly. Currently support KERNEL_BZIMAGE and KERNEL_ZEPHYR.">KERNEL_ZEPHYR</kern_type>
             <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">Zephyr_RawImage</kern_mod>
             <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline." />
-            <bootargs desc="Specify kernel boot arguments"></bootargs>
+            <bootargs desc="Specify kernel boot arguments">reboot=acpi</bootargs>
             <kern_load_addr desc="The loading address in host memory for the VM kernel">0x8000</kern_load_addr>
             <kern_entry_addr desc="The entry address in host memory for the VM kernel">0x8000</kern_entry_addr>
         </os_config>
diff --git a/misc/vm_configs/xmls/config-xmls/ehl-crb-b/hybrid_rt.xml b/misc/vm_configs/xmls/config-xmls/ehl-crb-b/hybrid_rt.xml
index 875568032..db61218ba 100644
--- a/misc/vm_configs/xmls/config-xmls/ehl-crb-b/hybrid_rt.xml
+++ b/misc/vm_configs/xmls/config-xmls/ehl-crb-b/hybrid_rt.xml
@@ -97,7 +97,7 @@
             <kern_type desc="Specify the kernel image type so that hypervisor could load it correctly. Currently support KERNEL_BZIMAGE and KERNEL_ZEPHYR.">KERNEL_BZIMAGE</kern_type>
             <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">RT_bzImage</kern_mod>
             <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline." />
-            <bootargs desc="Specify kernel boot arguments">rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel consoleblank=0 tsc=reliable</bootargs>
+            <bootargs desc="Specify kernel boot arguments">rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel consoleblank=0 tsc=reliable reboot=acpi</bootargs>
         </os_config>
         <legacy_vuart id="0">
             <type configurable="0" desc="vCOM1 type">VUART_LEGACY_PIO</type>
diff --git a/misc/vm_configs/xmls/config-xmls/ehl-crb-b/hybrid_rt_fusa.xml b/misc/vm_configs/xmls/config-xmls/ehl-crb-b/hybrid_rt_fusa.xml
index 4d245248c..c3417d06f 100644
--- a/misc/vm_configs/xmls/config-xmls/ehl-crb-b/hybrid_rt_fusa.xml
+++ b/misc/vm_configs/xmls/config-xmls/ehl-crb-b/hybrid_rt_fusa.xml
@@ -96,7 +96,7 @@
             <kern_type desc="Specify the kernel image type so that hypervisor could load it correctly. Currently support KERNEL_BZIMAGE and KERNEL_ZEPHYR.">KERNEL_BZIMAGE</kern_type>
             <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">RT_bzImage</kern_mod>
             <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline." />
-            <bootargs desc="Specify kernel boot arguments">rw rootwait root=/dev/sda2 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel consoleblank=0 tsc=reliable</bootargs>
+            <bootargs desc="Specify kernel boot arguments">rw rootwait root=/dev/sda2 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel consoleblank=0 tsc=reliable reboot=acpi</bootargs>
         </os_config>
         <legacy_vuart id="0">
             <type configurable="0" desc="vCOM1 type">VUART_LEGACY_PIO</type>
diff --git a/misc/vm_configs/xmls/config-xmls/ehl-crb-b/logical_partition.xml b/misc/vm_configs/xmls/config-xmls/ehl-crb-b/logical_partition.xml
index 534bd945a..7ff17499d 100644
--- a/misc/vm_configs/xmls/config-xmls/ehl-crb-b/logical_partition.xml
+++ b/misc/vm_configs/xmls/config-xmls/ehl-crb-b/logical_partition.xml
@@ -98,7 +98,7 @@
             <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">Linux_bzImage</kern_mod>
             <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline." />
             <bootargs desc="Specify kernel boot arguments">
-        rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M consoleblank=0 tsc=reliable
+        rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M consoleblank=0 tsc=reliable reboot=acpi
         </bootargs>
         </os_config>
         <legacy_vuart id="0">
@@ -160,7 +160,7 @@
             <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline." />
             <bootargs desc="Specify kernel boot arguments">
         rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M
-        consoleblank=0 tsc=reliable
+        consoleblank=0 tsc=reliable reboot=acpi
         </bootargs>
         </os_config>
         <legacy_vuart id="0">
diff --git a/misc/vm_configs/xmls/config-xmls/nuc6cayh/hybrid.xml b/misc/vm_configs/xmls/config-xmls/nuc6cayh/hybrid.xml
index f90e157ec..cd9c4656f 100644
--- a/misc/vm_configs/xmls/config-xmls/nuc6cayh/hybrid.xml
+++ b/misc/vm_configs/xmls/config-xmls/nuc6cayh/hybrid.xml
@@ -86,7 +86,7 @@
         <kern_type desc="Specify the kernel image type so that hypervisor could load it correctly. Currently support KERNEL_BZIMAGE and KERNEL_ZEPHYR.">KERNEL_ZEPHYR</kern_type>
         <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">Zephyr_RawImage</kern_mod>
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
-        <bootargs desc="Specify kernel boot arguments"></bootargs>
+        <bootargs desc="Specify kernel boot arguments">reboot=acpi</bootargs>
         <kern_load_addr desc="The loading address in host memory for the VM kernel">0x8000</kern_load_addr>
         <kern_entry_addr desc="The entry address in host memory for the VM kernel">0x8000</kern_entry_addr>
     </os_config>
diff --git a/misc/vm_configs/xmls/config-xmls/nuc6cayh/logical_partition.xml b/misc/vm_configs/xmls/config-xmls/nuc6cayh/logical_partition.xml
index d8fb4c0fb..2de2ae5c9 100644
--- a/misc/vm_configs/xmls/config-xmls/nuc6cayh/logical_partition.xml
+++ b/misc/vm_configs/xmls/config-xmls/nuc6cayh/logical_partition.xml
@@ -90,7 +90,7 @@
         <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">Linux_bzImage</kern_mod>
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
         <bootargs desc="Specify kernel boot arguments">
-        rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M consoleblank=0 tsc=reliable
+        rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M consoleblank=0 tsc=reliable reboot=acpi
         </bootargs>
     </os_config>
     <legacy_vuart id="0">
@@ -152,7 +152,7 @@
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
         <bootargs desc="Specify kernel boot arguments">
         rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M
-        consoleblank=0 tsc=reliable
+        consoleblank=0 tsc=reliable reboot=acpi
         </bootargs>
     </os_config>
     <legacy_vuart id="0">
diff --git a/misc/vm_configs/xmls/config-xmls/nuc7i7dnb/hybrid.xml b/misc/vm_configs/xmls/config-xmls/nuc7i7dnb/hybrid.xml
index 990e7693a..ce6d13064 100644
--- a/misc/vm_configs/xmls/config-xmls/nuc7i7dnb/hybrid.xml
+++ b/misc/vm_configs/xmls/config-xmls/nuc7i7dnb/hybrid.xml
@@ -82,7 +82,7 @@
         <kern_type desc="Specify the kernel image type so that hypervisor could load it correctly. Currently support KERNEL_BZIMAGE and KERNEL_ZEPHYR.">KERNEL_ZEPHYR</kern_type>
         <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">Zephyr_RawImage</kern_mod>
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
-        <bootargs desc="Specify kernel boot arguments"></bootargs>
+        <bootargs desc="Specify kernel boot arguments">reboot=acpi</bootargs>
         <kern_load_addr desc="The loading address in host memory for the VM kernel">0x8000</kern_load_addr>
         <kern_entry_addr desc="The entry address in host memory for the VM kernel">0x8000</kern_entry_addr>
     </os_config>
diff --git a/misc/vm_configs/xmls/config-xmls/nuc7i7dnb/logical_partition.xml b/misc/vm_configs/xmls/config-xmls/nuc7i7dnb/logical_partition.xml
index ddb840ba4..fc97e9b2e 100644
--- a/misc/vm_configs/xmls/config-xmls/nuc7i7dnb/logical_partition.xml
+++ b/misc/vm_configs/xmls/config-xmls/nuc7i7dnb/logical_partition.xml
@@ -87,6 +87,7 @@
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
         <bootargs desc="Specify kernel boot arguments">
         rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M consoleblank=0 tsc=reliable
+        reboot=acpi
         </bootargs>
     </os_config>
     <legacy_vuart id="0">
@@ -149,7 +150,7 @@
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
         <bootargs desc="Specify kernel boot arguments">
         rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M
-        consoleblank=0 tsc=reliable
+        consoleblank=0 tsc=reliable reboot=acpi
         </bootargs>
     </os_config>
     <legacy_vuart id="0">
diff --git a/misc/vm_configs/xmls/config-xmls/tgl-rvp/hybrid.xml b/misc/vm_configs/xmls/config-xmls/tgl-rvp/hybrid.xml
index a415b3e56..c354b0e54 100644
--- a/misc/vm_configs/xmls/config-xmls/tgl-rvp/hybrid.xml
+++ b/misc/vm_configs/xmls/config-xmls/tgl-rvp/hybrid.xml
@@ -82,7 +82,7 @@
         <kern_type desc="Specify the kernel image type so that hypervisor could load it correctly. Currently support KERNEL_BZIMAGE and KERNEL_ZEPHYR.">KERNEL_ZEPHYR</kern_type>
         <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">Zephyr_RawImage</kern_mod>
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
-        <bootargs desc="Specify kernel boot arguments"></bootargs>
+        <bootargs desc="Specify kernel boot arguments">reboot=acpi</bootargs>
         <kern_load_addr desc="The loading address in host memory for the VM kernel">0x8000</kern_load_addr>
         <kern_entry_addr desc="The entry address in host memory for the VM kernel">0x8000</kern_entry_addr>
     </os_config>
diff --git a/misc/vm_configs/xmls/config-xmls/tgl-rvp/hybrid_rt.xml b/misc/vm_configs/xmls/config-xmls/tgl-rvp/hybrid_rt.xml
index 08d3ba598..1bc1b2a6f 100644
--- a/misc/vm_configs/xmls/config-xmls/tgl-rvp/hybrid_rt.xml
+++ b/misc/vm_configs/xmls/config-xmls/tgl-rvp/hybrid_rt.xml
@@ -87,7 +87,8 @@
         <kern_type desc="Specify the kernel image type so that hypervisor could load it correctly. Currently support KERNEL_BZIMAGE and KERNEL_ZEPHYR.">KERNEL_BZIMAGE</kern_type>
         <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">RT_bzImage</kern_mod>
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
-        <bootargs desc="Specify kernel boot arguments">rw rootwait root=/dev/sda3 earlyprintk=serial,ttyS0,115200 console=ttyS0,115200n8 log_buf_len=2M ignore_loglevel noxsave nohpet no_timer_check tsc=reliable</bootargs>
+        <bootargs desc="Specify kernel boot arguments">rw rootwait root=/dev/sda3 earlyprintk=serial,ttyS0,115200 console=ttyS0,115200n8 log_buf_len=2M
+        ignore_loglevel noxsave nohpet no_timer_check tsc=reliable reboot=acpi</bootargs>
     </os_config>
     <legacy_vuart id="0">
         <type configurable="0" desc="vCOM1 type">VUART_LEGACY_PIO</type>
diff --git a/misc/vm_configs/xmls/config-xmls/tgl-rvp/logical_partition.xml b/misc/vm_configs/xmls/config-xmls/tgl-rvp/logical_partition.xml
index a372593cd..f26820637 100644
--- a/misc/vm_configs/xmls/config-xmls/tgl-rvp/logical_partition.xml
+++ b/misc/vm_configs/xmls/config-xmls/tgl-rvp/logical_partition.xml
@@ -86,7 +86,7 @@
         <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">Linux_bzImage</kern_mod>
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
         <bootargs desc="Specify kernel boot arguments">
-        rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M consoleblank=0 tsc=reliable
+        rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M consoleblank=0 tsc=reliable reboot=acpi
         </bootargs>
     </os_config>
     <legacy_vuart id="0">
@@ -148,7 +148,7 @@
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
         <bootargs desc="Specify kernel boot arguments">
         rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M
-        consoleblank=0 tsc=reliable
+        consoleblank=0 tsc=reliable reboot=acpi
         </bootargs>
     </os_config>
     <legacy_vuart id="0">
diff --git a/misc/vm_configs/xmls/config-xmls/whl-ipc-i5/hybrid.xml b/misc/vm_configs/xmls/config-xmls/whl-ipc-i5/hybrid.xml
index 916b6d228..abda08423 100644
--- a/misc/vm_configs/xmls/config-xmls/whl-ipc-i5/hybrid.xml
+++ b/misc/vm_configs/xmls/config-xmls/whl-ipc-i5/hybrid.xml
@@ -82,7 +82,7 @@
         <kern_type desc="Specify the kernel image type so that hypervisor could load it correctly. Currently support KERNEL_BZIMAGE and KERNEL_ZEPHYR.">KERNEL_ZEPHYR</kern_type>
         <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">Zephyr_RawImage</kern_mod>
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
-        <bootargs desc="Specify kernel boot arguments"></bootargs>
+        <bootargs desc="Specify kernel boot arguments">reboot=acpi</bootargs>
         <kern_load_addr desc="The loading address in host memory for the VM kernel">0x8000</kern_load_addr>
         <kern_entry_addr desc="The entry address in host memory for the VM kernel">0x8000</kern_entry_addr>
     </os_config>
diff --git a/misc/vm_configs/xmls/config-xmls/whl-ipc-i5/hybrid_rt.xml b/misc/vm_configs/xmls/config-xmls/whl-ipc-i5/hybrid_rt.xml
index 53645f072..1369fd149 100644
--- a/misc/vm_configs/xmls/config-xmls/whl-ipc-i5/hybrid_rt.xml
+++ b/misc/vm_configs/xmls/config-xmls/whl-ipc-i5/hybrid_rt.xml
@@ -84,7 +84,7 @@
         <kern_type desc="Specify the kernel image type so that hypervisor could load it correctly. Currently support KERNEL_BZIMAGE and KERNEL_ZEPHYR.">KERNEL_BZIMAGE</kern_type>
         <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">RT_bzImage</kern_mod>
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
-        <bootargs desc="Specify kernel boot arguments">rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel consoleblank=0 tsc=reliable</bootargs>
+        <bootargs desc="Specify kernel boot arguments">rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel consoleblank=0 tsc=reliable reboot=acpi</bootargs>
     </os_config>
     <legacy_vuart id="0">
         <type configurable="0" desc="vCOM1 type">VUART_LEGACY_PIO</type>
diff --git a/misc/vm_configs/xmls/config-xmls/whl-ipc-i5/logical_partition.xml b/misc/vm_configs/xmls/config-xmls/whl-ipc-i5/logical_partition.xml
index ab6ed0d12..acad56cda 100644
--- a/misc/vm_configs/xmls/config-xmls/whl-ipc-i5/logical_partition.xml
+++ b/misc/vm_configs/xmls/config-xmls/whl-ipc-i5/logical_partition.xml
@@ -87,6 +87,7 @@
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
         <bootargs desc="Specify kernel boot arguments">
         rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M consoleblank=0 tsc=reliable
+        reboot=acpi
         </bootargs>
     </os_config>
     <legacy_vuart id="0">
@@ -148,7 +149,7 @@
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
         <bootargs desc="Specify kernel boot arguments">
         rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M
-        consoleblank=0 tsc=reliable
+        consoleblank=0 tsc=reliable reboot=acpi
         </bootargs>
     </os_config>
     <legacy_vuart id="0">
diff --git a/misc/vm_configs/xmls/config-xmls/whl-ipc-i7/hybrid.xml b/misc/vm_configs/xmls/config-xmls/whl-ipc-i7/hybrid.xml
index 7bfca3cad..c2677226e 100644
--- a/misc/vm_configs/xmls/config-xmls/whl-ipc-i7/hybrid.xml
+++ b/misc/vm_configs/xmls/config-xmls/whl-ipc-i7/hybrid.xml
@@ -82,7 +82,7 @@
         <kern_type desc="Specify the kernel image type so that hypervisor could load it correctly. Currently support KERNEL_BZIMAGE and KERNEL_ZEPHYR.">KERNEL_ZEPHYR</kern_type>
         <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">Zephyr_RawImage</kern_mod>
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
-        <bootargs desc="Specify kernel boot arguments"></bootargs>
+        <bootargs desc="Specify kernel boot arguments">reboot=acpi</bootargs>
         <kern_load_addr desc="The loading address in host memory for the VM kernel">0x8000</kern_load_addr>
         <kern_entry_addr desc="The entry address in host memory for the VM kernel">0x8000</kern_entry_addr>
     </os_config>
diff --git a/misc/vm_configs/xmls/config-xmls/whl-ipc-i7/hybrid_rt.xml b/misc/vm_configs/xmls/config-xmls/whl-ipc-i7/hybrid_rt.xml
index 9374c73a2..87bf10b2d 100644
--- a/misc/vm_configs/xmls/config-xmls/whl-ipc-i7/hybrid_rt.xml
+++ b/misc/vm_configs/xmls/config-xmls/whl-ipc-i7/hybrid_rt.xml
@@ -84,7 +84,9 @@
         <kern_type desc="Specify the kernel image type so that hypervisor could load it correctly. Currently support KERNEL_BZIMAGE and KERNEL_ZEPHYR.">KERNEL_BZIMAGE</kern_type>
         <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">RT_bzImage</kern_mod>
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
-        <bootargs desc="Specify kernel boot arguments">rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel consoleblank=0 tsc=reliable</bootargs>
+        <bootargs desc="Specify kernel boot arguments">rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel consoleblank=0 tsc=reliable
+        reboot=acpi
+        </bootargs>
     </os_config>
     <legacy_vuart id="0">
         <type configurable="0" desc="vCOM1 type">VUART_LEGACY_PIO</type>
diff --git a/misc/vm_configs/xmls/config-xmls/whl-ipc-i7/logical_partition.xml b/misc/vm_configs/xmls/config-xmls/whl-ipc-i7/logical_partition.xml
index 538494b4d..ff9b9da87 100644
--- a/misc/vm_configs/xmls/config-xmls/whl-ipc-i7/logical_partition.xml
+++ b/misc/vm_configs/xmls/config-xmls/whl-ipc-i7/logical_partition.xml
@@ -86,7 +86,7 @@
         <kern_mod desc="The tag for kernel image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline.">Linux_bzImage</kern_mod>
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
         <bootargs desc="Specify kernel boot arguments">
-        rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M consoleblank=0 tsc=reliable
+        rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M consoleblank=0 tsc=reliable reboot=acpi
         </bootargs>
     </os_config>
     <legacy_vuart id="0">
@@ -148,7 +148,7 @@
         <ramdisk_mod desc="The tag for ramdisk image which act as multiboot module, it must exactly match the module tag in GRUB multiboot cmdline."></ramdisk_mod>
         <bootargs desc="Specify kernel boot arguments">
         rw rootwait root=/dev/sda3 console=ttyS0 noxsave nohpet no_timer_check ignore_loglevel log_buf_len=16M
-        consoleblank=0 tsc=reliable
+        consoleblank=0 tsc=reliable reboot=acpi
         </bootargs>
     </os_config>
     <legacy_vuart id="0">