Hello guys, I'm pretty new to VFIO and GPU passthrough. I have set everything up now according to the "PCI Passthrough via OVMF" guide on the ArchLinux wiki, but have run into some issues that I couldn't get a solution for anywhere. The relevant part of my setup is as follows: Intel i5 4690K WindForce GTX 660 Ti AsRock Z97M Anniversary Mainboard Host OS: Arch Linux (Linux 4.5.4-1-ARCH) Guest OS: Windows 10 64-Bit Home I have set up the VM via virt-manager and installed it onto a RAW image that's on one of my SSDs (50GB). The IOMMU group that's relevant for VFIO is this one: IOMMU group 1 00:01.0 PCI bridge [0604]: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor PCI Express x16 Controller [8086:0c01] (rev 06) 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK104 [GeForce GTX 660 Ti] [10de:1183] (rev a1) 01:00.1 Audio device [0403]: NVIDIA Corporation GK104 HDMI Audio Controller [10de:0e0a] (rev a1) I set up my vfio.conf accordingly: # cat /etc/modprobe.d/vfio.conf options vfio-pci ids=10de:1183,10de:0e0a,8086:0c01 And it initialized correctly: # dmesg | grep -i vfio [ 0.309866] VFIO - User Level meta-driver version: 0.3 [ 0.323490] vfio_pci: add [10de:1183[ffff:ffff]] class 0x000000/00000000 [ 0.336838] vfio_pci: add [10de:0e0a[ffff:ffff]] class 0x000000/00000000 [ 0.336845] vfio_pci: add [8086:0c01[ffff:ffff]] class 0x000000/00000000 I passed both 01:00.0 and 01:00.1 to my VM and when booting it up it shows up on my secondary monitor that's connected to my graphics card. As a CPU I used the "core2duo" model. Side question: I can't start my VM with 00:01.0 attached, but thought I had to as it's in the same IOMMU group. Do I even have to add it to my vfio.conf then? The problem I'm having is installing the driver for the graphics card. My display resolution is stuck at something like 640x480. I have tried installing 365.19 and 364.72, after about 5% progress my windows crashes into a bluescreen with the error "SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (nvlddmkm.sys)", no matter whether I install it in GeForce Experience, directly through the installer or the device manager. I have also tried uninstalling the original driver with DDU, which didn't help either. GPU-Z correctly identifies my GPU as a GK104, but it (and my device manager) both only show "Device" as it's name. I don't know whether that is problematic or not. Does anyone have any ideas how to fix this? Sorry for the lengthy post, but looking forward to any and all answers, thanks!
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