Relevant line output are /sys/kernel/iommu_groups/12/devices/0000:00:1b.0
GRUB_CMDLINE_LINUX_DEFAULT=“quiet intel_iommu=on pcie_acs_override=downstream,multifunction video=efifb:off”Īs far as I can understand each device has its own IOMMU group (12 for the audio card, 22 for the GPU and 23 for the audio device integrated in the GPU), cause from Subsystem: Micro-Star International Co., Ltd. GP106 Ġ3:00.1 Audio device : NVIDIA Corporation GP106 High Definition Audio Controller (rev a1)
While the graphic card is 03:00.0 VGA compatible controller : NVIDIA Corporation GP106 (rev a1) Subsystem: Intel Corporation 82801JI (ICH10 Family) HD Audio Controller The lspci -nnk output for the audio card I want to passthrough isĠ0:1b.0 Audio device : Intel Corporation 82801JI (ICH10 Family) HD Audio Controller I am running Proxmox host trying to passthrough my motherboard onboard audio to a Windows 10 guest, but every time it boots it crashes on blue screen I have successfully passed through the nVidia GPU from the first slot, more details following