平台：ASUS TUF-GAMING-B460M-PLUS-WI-FI

windows虚拟机直通声卡时提示：internal error: process exited while connecting to monitor: 2021-06-14T14:53:46.886166Z qemu-system-x86_64: -device vfio-pci,host=0000:00:02.0,id=hostdev0,bus=pcie.0,addr=0x2: IGD device 0000:00:02.0 cannot support legacy mode due to existing devices at address 1f.0 2021-06-14T14:53:46.886299Z qemu-system-x86_64: -device vfio-pci,host=0000:00:1f.3,id=hostdev1,bus=pci.8,addr=0x1: vfio 0000:00:1f.3: group 9 is not viable Please ensure all devices within the iommu_group are bound to their vfio bus driver.

声卡和内存控制器等设备一个组了。

On 6/15/2021 at 12:36 AM, lyqalex said:

声卡和内存控制器等设备一个组了。

有什么办法分开么？

On 1/31/2024 at 4:19 PM, ArchonX said:

有什么办法分开么？

 

声卡一般很难作为单独的 IOMMU 组，不过你可以尝试使用下面帖子的方法去替换 Unraid 的系统文件来添加帖子里作者的 IOMMU 分组补丁：

 

 

Edited February 5, 20242 yr by JackieWu