diff --git a/devicemodel/samples/apl-mrb/sos_bootargs_debug.txt b/devicemodel/samples/apl-mrb/sos_bootargs_debug.txt
index 53cdac058..1c0394a85 100644
--- a/devicemodel/samples/apl-mrb/sos_bootargs_debug.txt
+++ b/devicemodel/samples/apl-mrb/sos_bootargs_debug.txt
@@ -1 +1 @@
-pci_devices_ignore=(0:18:2) console=tty0 console=ttyS0 i915.nuclear_pageflip=1 root=/dev/mmcblk1p1 rw rootwait quiet loglevel=3 no_timer_check consoleblank=0 i915.enable_initial_modeset=1 i915.tsd_init=7 i915.tsd_delay=2000 video=DP-1:d video=DP-2:d i915.avail_planes_per_pipe=0x01010F i915.domain_plane_owners=0x011111110000 i915.enable_guc_loading=0 i915.enable_guc_submission=0 i915.enable_preemption=1 i915.context_priority_mode=2 i915.enable_gvt=1 hvlog=2M@0x6de00000 reboot_panic=p,w cma=32M@0-
+pci_devices_ignore=(0:18:2) console=tty0 console=ttyS0 i915.nuclear_pageflip=1 root=/dev/mmcblk1p1 rw rootwait quiet loglevel=3 no_timer_check consoleblank=0 i915.enable_initial_modeset=1 i915.tsd_init=7 i915.tsd_delay=2000 video=DP-1:d video=DP-2:d i915.avail_planes_per_pipe=0x01010F i915.domain_plane_owners=0x011111110000 i915.enable_guc_loading=0 i915.enable_guc_submission=0 i915.enable_preemption=1 i915.context_priority_mode=2 i915.enable_gvt=1 i915.enable_guc=0 hvlog=2M@0x6de00000 reboot_panic=p,w cma=32M@0-
diff --git a/devicemodel/samples/apl-mrb/sos_bootargs_release.txt b/devicemodel/samples/apl-mrb/sos_bootargs_release.txt
index b31ea60d2..5c0d4dabc 100644
--- a/devicemodel/samples/apl-mrb/sos_bootargs_release.txt
+++ b/devicemodel/samples/apl-mrb/sos_bootargs_release.txt
@@ -1 +1 @@
-console=tty0 i915.nuclear_pageflip=1 root=/dev/mmcblk1p1 rw rootwait quiet loglevel=3 no_timer_check consoleblank=0 i915.enable_initial_modeset=1 i915.tsd_init=7 i915.tsd_delay=2000 video=DP-1:d video=DP-2:d i915.avail_planes_per_pipe=0x01010F i915.domain_plane_owners=0x011111110000 i915.enable_guc_loading=0 i915.enable_guc_submission=0 i915.enable_preemption=1 i915.context_priority_mode=2 i915.enable_gvt=1 cma=32M@0-
+console=tty0 i915.nuclear_pageflip=1 root=/dev/mmcblk1p1 rw rootwait quiet loglevel=3 no_timer_check consoleblank=0 i915.enable_initial_modeset=1 i915.tsd_init=7 i915.tsd_delay=2000 video=DP-1:d video=DP-2:d i915.avail_planes_per_pipe=0x01010F i915.domain_plane_owners=0x011111110000 i915.enable_guc_loading=0 i915.enable_guc_submission=0 i915.enable_preemption=1 i915.context_priority_mode=2 i915.enable_gvt=1 i915.enable_guc=0 cma=32M@0-
diff --git a/hypervisor/bsp/uefi/clearlinux/acrn.conf b/hypervisor/bsp/uefi/clearlinux/acrn.conf
index 51fa257e0..43a754c4f 100755
--- a/hypervisor/bsp/uefi/clearlinux/acrn.conf
+++ b/hypervisor/bsp/uefi/clearlinux/acrn.conf
@@ -1,3 +1,3 @@
 title The ACRN Service OS
 linux   /EFI/org.clearlinux/kernel-org.clearlinux.pk414-sos.4.14.52-63
-options pci_devices_ignore=(0:18:1) console=tty0 console=ttyS0 i915.nuclear_pageflip=1 root=PARTUUID=<UUID of rootfs partition> rw rootwait ignore_loglevel no_timer_check consoleblank=0 i915.tsd_init=7 i915.tsd_delay=2000 i915.avail_planes_per_pipe=0x01010F i915.domain_plane_owners=0x011111110000 i915.enable_guc_loading=0 i915.enable_guc_submission=0 i915.enable_preemption=1 i915.context_priority_mode=2 i915.enable_gvt=1 i915.enable_initial_modeset=1 hvlog=2M@0x1FE00000
+options pci_devices_ignore=(0:18:1) console=tty0 console=ttyS0 i915.nuclear_pageflip=1 root=PARTUUID=<UUID of rootfs partition> rw rootwait ignore_loglevel no_timer_check consoleblank=0 i915.tsd_init=7 i915.tsd_delay=2000 i915.avail_planes_per_pipe=0x01010F i915.domain_plane_owners=0x011111110000 i915.enable_guc_loading=0 i915.enable_guc_submission=0 i915.enable_preemption=1 i915.context_priority_mode=2 i915.enable_gvt=1 i915.enable_initial_modeset=1 i915.enable_guc=0 hvlog=2M@0x1FE00000