页次： 1
我有个问题想请教一下，就是我在搞kvm显卡直通，教学视频是 https://b23.tv/Ixp7XwQ，然后就卡在iommu哪里了，之前还是成功的，结果今天搞就不行
只输出一个“iommu已开启”，然后就啥也没了，具体分组信息指令也查不到，以下是成功时的输出
[arch@archlinux ~]$ lspci -nn | grep -i nvidia
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation AD104 [GeForce RTX 4070 SUPER] [10de:2783] (rev a1)
01:00.1 Audio device [0403]: NVIDIA Corporation AD104 High Definition Audio Controller [10de:22bc] (rev a1)
IOMMU Group *:
00:00.0 Host bridge [0600]: Intel Corporation Device [8086:4648] (rev 02)
00:01.0 PCI bridge [0604]: Intel Corporation 12th Gen Core Processor PCI Express x16 Controller #1 [8086:460d] (rev 02)
00:06.0 PCI bridge [0604]: Intel Corporation 12th Gen Core Processor PCI Express x4 Controller #0 [8086:464d] (rev 02)
00:0a.0 Signal processing controller [1180]: Intel Corporation Platform Monitoring Technology [8086:467d] (rev 01)
00:14.0 USB controller [0c03]: Intel Corporation Raptor Lake USB 3.2 Gen 2x2 (20 Gb/s) XHCI Host Controller [8086:7a60] (rev 11)
00:14.2 RAM memory [0500]: Intel Corporation Raptor Lake-S PCH Shared SRAM [8086:7a27] (rev 11)
00:14.3 Network controller [0280]: Intel Corporation Raptor Lake-S PCH CNVi WiFi [8086:7a70] (rev 11)
00:15.0 Serial bus controller [0c80]: Intel Corporation Raptor Lake Serial IO I2C Host Controller #0 [8086:7a4c] (rev 11)
00:15.1 Serial bus controller [0c80]: Intel Corporation Raptor Lake Serial IO I2C Host Controller #1 [8086:7a4d] (rev 11)
00:16.0 Communication controller [0780]: Intel Corporation Raptor Lake CSME HECI #1 [8086:7a68] (rev 11)
00:17.0 SATA controller [0106]: Intel Corporation Raptor Lake SATA AHCI Controller [8086:7a62] (rev 11)
00:1a.0 PCI bridge [0604]: Intel Corporation Raptor Lake PCI Express Root Port #25 [8086:7a48] (rev 11)
00:1c.0 PCI bridge [0604]: Intel Corporation Raptor Lake PCI Express Root Port #1 [8086:7a38] (rev 11)
00:1d.0 PCI bridge [0604]: Intel Corporation Device [8086:7a36] (rev 11)
00:1f.0 ISA bridge [0601]: Intel Corporation Device [8086:7a06] (rev 11)
00:1f.3 Audio device [0403]: Intel Corporation Raptor Lake High Definition Audio Controller [8086:7a50] (rev 11)
00:1f.4 SMBus [0c05]: Intel Corporation Raptor Lake-S PCH SMBus Controller [8086:7a23] (rev 11)
00:1f.5 Serial bus controller [0c80]: Intel Corporation Raptor Lake SPI (flash) Controller [8086:7a24] (rev 11)
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation AD104 [GeForce RTX 4070 SUPER] [10de:2783] (rev a1)
01:00.1 Audio device [0403]: NVIDIA Corporation AD104 High Definition Audio Controller [10de:22bc] (rev a1)
02:00.0 Non-Volatile memory controller [0108]: ADATA Technology Co., Ltd. LEGEND 800 NVMe SSD (DRAM-less) [1cc1:628a] (rev 03)
04:00.0 Non-Volatile memory controller [0108]: Shenzhen Longsys Electronics Co., Ltd. Lexar NM800 PRO NVME SSD [1d97:5236] (rev 01)
05:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8125 2.5GbE Controller [10ec:8125] (rev 05)
系统archlinux，zen内核，主板maxsunb760m d4 wifi6e，cpu因特尔i5-12600kf，显卡rtx4070s，请问可能是什么问题导致的？
离线
页次： 1