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 f2b9b67ab..a5ff00eef 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 +86,10 @@
         <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 reboot=acpi</bootargs>
+	<bootargs desc="Specify kernel boot arguments">rw rootwait root=/dev/nvme0n1p3 earlyprintk=serial,ttyS0,115200 rootfstype=ext4 console=ttyS0,115200 console=tty0 rw nohpet console=hvc0 no_timer_check ignore_loglevel
+	log_buf_len=16M consoleblank=0 tsc=reliable clocksource=tsc x2apic_phys processor.max_cstate=0 intel_idle.max_cstate=0 intel_pstate=disable mce=ignore_ce audit=0 isolcpus=nohz,domain,1 nohz_full=1 rcu_nocbs=1 nosoftlockup
+	idle=poll irqaffinity=0 no_ipi_broadcast=1  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/hybrid_rt.xml b/misc/vm_configs/xmls/config-xmls/tgl-rvp/hybrid_rt.xml
index de4671751..4b04807b9 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
@@ -87,8 +87,10 @@
         <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 reboot=acpi</bootargs>
+	<bootargs desc="Specify kernel boot arguments">rw rootwait root=/dev/sda3 rootfstype=ext4 console=ttyS0,115200 console=tty0 rw nohpet console=hvc0 no_timer_check ignore_loglevel log_buf_len=16M consoleblank=0 tsc=reliable
+	clocksource=tsc x2apic_phys processor.max_cstate=0 intel_idle.max_cstate=0 intel_pstate=disable mce=ignore_ce audit=0 isolcpus=nohz,domain,1 nohz_full=1 rcu_nocbs=1 nosoftlockup idle=poll irqaffinity=0 no_ipi_broadcast=1
+	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/hybrid_rt.xml b/misc/vm_configs/xmls/config-xmls/whl-ipc-i5/hybrid_rt.xml
index 1369fd149..e2b66628a 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 +84,10 @@
         <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 reboot=acpi</bootargs>
+	<bootargs desc="Specify kernel boot arguments">rw rootwait root=/dev/sda3 rootfstype=ext4 console=ttyS0,115200 console=tty0 rw nohpet console=hvc0 no_timer_check ignore_loglevel log_buf_len=16M consoleblank=0 tsc=reliable
+	clocksource=tsc x2apic_phys processor.max_cstate=0 intel_idle.max_cstate=0 intel_pstate=disable mce=ignore_ce audit=0 isolcpus=nohz,domain,1 nohz_full=1 rcu_nocbs=1 nosoftlockup idle=poll irqaffinity=0 no_ipi_broadcast=1
+	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/hybrid_rt.xml b/misc/vm_configs/xmls/config-xmls/whl-ipc-i7/hybrid_rt.xml
index 87bf10b2d..f72fbd57f 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
@@ -84,8 +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
-        reboot=acpi
+	<bootargs desc="Specify kernel boot arguments">rw rootwait root=/dev/sda3 rootfstype=ext4 console=ttyS0,115200 console=tty0 rw nohpet console=hvc0 no_timer_check ignore_loglevel log_buf_len=16M consoleblank=0 tsc=reliable
+	clocksource=tsc x2apic_phys processor.max_cstate=0 intel_idle.max_cstate=0 intel_pstate=disable mce=ignore_ce audit=0 isolcpus=nohz,domain,1 nohz_full=1 rcu_nocbs=1 nosoftlockup idle=poll irqaffinity=0 no_ipi_broadcast=1
+	reboot=acpi
         </bootargs>
     </os_config>
     <legacy_vuart id="0">