From 1ee6022476436ade20b99a805ebe21304fcacd32 Mon Sep 17 00:00:00 2001
From: Ing <wjz304@qq.com>
Date: Thu, 25 Jul 2024 18:02:34 +0800
Subject: [PATCH] disable iommu

---
 files/mnt/p1/boot/grub/grub.cfg | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/files/mnt/p1/boot/grub/grub.cfg b/files/mnt/p1/boot/grub/grub.cfg
index 763c04c6..acb6befe 100644
--- a/files/mnt/p1/boot/grub/grub.cfg
+++ b/files/mnt/p1/boot/grub/grub.cfg
@@ -70,7 +70,7 @@ function set_gfxpayload {
   fi
 }
 
-set RR_CMDLINE="earlyprintk earlycon=uart8250,io,0x3f8,115200n8 console=ttyS0,115200n8 root=/dev/ram rootwait pcie_aspm=off net.ifnames=0 nox2apic nomodeset"
+set RR_CMDLINE="earlyprintk earlycon=uart8250,io,0x3f8,115200n8 console=ttyS0,115200n8 root=/dev/ram rootwait pcie_aspm=off net.ifnames=0 nox2apic nomodeset iommu=off"
 
 search --set=root --label "RR3"
 if [ -s /zImage-dsm -a -s /initrd-dsm ]; then