1. A

    Easy way to convert a libvirt XML configuration to a format Proxmox recognizes?

    (Crosspost from r/Proxmox) I have a libvirt VM (QEMU/KVM based) that has CPU pinning, PCIe device passthrough, iothread and other optimizations (it is a VFIO gaming VM) in a Fedora host. I will install Proxmox in this machine soon, and I want to recreate the gaming VM inside it. How do I...
  2. G

    Proxmox VFIO [SOLVED]

    How does Proxmox (8.1.10) set VFIO automatically? I have a VM, with passed through PCIe NVME. I am having issues with speeds on this, so wanted to test the zpool on the host machine. All devices SEEM to be passing through fine I am new to proxmox, but previously used libvirt. I have set...
  3. C

    DMAR: IOMMU enabled / Error: cannot prepare PCI pass-through, IOMMU not present

    Hi, i am trying to understund why the system behave this way to find out where the issue lays, system specifications and and steps taken in attempt to fix it bellow: CPU: G4400T / I5 6500 (tried both) RAM: 16GB (2x 8GB) Motherboard: ASRock H110M-DGS R3.0 (BIOS: P7.4) NetworkPVE: RTL8111 GbE...
  4. B

    Proxmox disables console when VM starts on Supermicro iGPU

    Hi! so I switched back from ESXi to Proxmox and I am now having issues getting video output over VGA/IPMI. The motherboard is the Supermicro H11SSL-i. As soon as a VM starts, the console goes blank. When I look at the syslog, I see the following output: Feb 01 12:42:50 proxmox pvedaemon[4247]...
  5. W

    [SOLVED] PCI Passthrough SATA Controller VFIO-PCI

    Hey Ho zusammen, ich habe ein Problem was ich einfach nicht gelöst bekomme. Das Problem: ich versuche einen Sata Controller (ASM1166) an eine VM durchzureichen. Erstmal ist es nur eine Basis Windows Server 2019 Datacenter Eval. Wenn ich die VM ohne die PCI Karte starte geht alles super. Füge...
  6. T

    Urgent Help vfio-pci 0000:03:00.0: can't change power state NVIDIA 4060 - X670E

    Hi My Hardware ASUS PROART X670E AMD RYZEN 7900X 12 CORE 64GB DDR5 4800MHZ RAM Bios - Latest October, 2023 RESIZABLE BAR - OFF PCI Version 4 PCI LANE BANDWITH X8 X8 for PCI 1 & PCI 2 Proxmox Proxmox 7.4.-17 (i tried 8.1 same issue and rolled back to 7.4) pve-manager/7.4-17/513c62be...
  7. D

    PVE8 - Change to IOMMU/Passthrough?

    Recently upgraded from PMX7 (Proxmox Version 7 or PVE7) to PMX8 (Proxmox Version 8 or PVE8), and I noticed the passthrough doesn't seem to work the same way in the UI it used to. <= PVE7, the way you knew IOMMU/etc wasn't working is that in the UI, the "MAPPED DEVICES" dropdown would be empty...
  8. C

    Issue setting up GPU Passthrough (Dual-GPU)

    Hey all! I have struggled with GPU passthrough many a times as many before me. I have had a cluster of two PVE nodes prior that failed to have stable GPU passthrough so I had given up until now. I am testing in a single PVE instance with two GPUs. Both AMD and Nvidia are present in the server...
  9. C

    [SOLVED] RTX 4090 Passthrough : AMD, Proxmox and sadness

    Hi everyone, I'm losing my sanity a bit on this topic and I would like your previous help, let's begin! I passed the pcie as per the doc and installed Nvidia drivers from Nvidia, no nvidia-smi available but the driver seems there, also the gpu name doesn't appear on lspci but...
  10. T

    Urgent Help, Windows 10 Crash!!! BSOD VIDEO_DXGKRNL_FATAL_ERROR

    Hi Folks, I am getting VIDEO_DXGKRNL_FATAL_ERROR error when i do load test like Passmark This is very random, 90% time this error happens with in the first test. Note: If i switch to KVM64/QEMU 64 this crash does not happen strangely My Hardware/Software AMD 5900X 32GB DDR4 RAM @ 3200MHZ...
  11. B

    [SOLVED] Issues with Intel ARC A770M GPU Passthrough on NUC12SNKi72 (vfio-pci not ready after FLR or bus reset)

    Has anyone had success with passing through the Intel ARC A770M (or similar) to a VM (Windows or Linux)? I think I have vfio binding mostly working, however when I attempt to start the Windows 11 VM, it complains about VFIO being not ready/giving up on resets (causing the Proxmox task to...
  12. G

    Issues passing RX 7900 XT to Windows 11 VM on Proxmox 7.3

    I've been trying to pass my RX 7900 XT to a Windows 11 VM on Proxmox 7.3. I only manage to get video output via HDMI for the first few seconds while it's booting (showing the Proxmox logo, OVMF?). Then it stops, and it doesn't show anything on subsequent boots. I had the same hardware before...
  13. D

    Proxmox 7.3 Kernel 6.1 RX480 Error 43

    I was previously using Proxmox 6.1 and passing through my RX480 to a windows guest. It was working smoothly, except for the issue of unexpected guest shutdowns making the GPU unusable until the system did a full power cycle. I updated to Proxmox 7.3 and the windows guest stopped working. First...
  14. M

    [SOLVED] Dual GPU PCI passthrough problem

    Hello all, I have a problem with passing through the primary GPU but have no problem with the second one. The problem is that when trying to start the VM with the primary GPU attached returns --> Dec 30 18:14:44 pve kernel: [ 889.165695] vfio-pci 0000:01:00.0: vfio_ecap_init: hiding ecap...
  15. T

    Intel iGPU passthrough problems

    I am running into a problem where I am trying to pass the Intel IGD to any virtual machine (Windows, macOS, Ubuntu) , but vfio runs into FLR problems where the IGPU appears unresponsive. As of right now, I've tried to make it work on Proxmox VE 7.0, 7.1 and 7.2, but to no avail. I am running...
  16. V

    Can't passthrough a Firewire/SATA PCI card to Windows 7 VM

    Hi! So as the title says I'm trying to passthrough the PCI card to a Windows 7 VM. This card has both a Firewire controller as well as a SATA one. I have the two controllers bound to vfio, IOMMU is enable, the drivers for the controller are blacklisted and I have followed the official tutorials...
  17. F

    Trying to connect GPU to VM results in: "TASK ERROR: Cannot bind 0000:0a:00.0 to vfio"

    My goal is to connect my GPU (RX 580 4gb) to the VM so that I use the VM on host PC with it. I set display to none and in hardware connected PCI Device (GPU). But when I try to startup the VM, I get this response: Any idea how to fix this? In advance, thanks for your response.
  18. L

    GPU Passthrough not working

    Hi everyone! I recently install Macos Monterey on Proxmox 7, everything is fine, i can install it without problem. I use OpenCore and setup OVMF as Bios. The problem is, when i try to passing my GPU to MacOS, i've got a blank screens, nothing happen... But VM start properly ( i guess cause it...
  19. M

    Proxmox requires full reboot after shutting down VM with PCI passthrough

    EDIT: this is the output to lscpi -v on Proxmox host: Does this mean that the kernel is still using the card? Should I also blacklist amdgpu as well? 83:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Navi 23 (rev ff) (prog-if ff) !!! Unknown header type 7f...
  20. M

    [SOLVED] Guest internal error when passing through PCIe

    Hello, I have PVE 7.0 running on a Gigabyte H310N motherboard with intel i5-8400. The IOMMU setup was done following the wiki. The motherboard has an M.2 slot for wifi card, and I have a Coral TPU installed on it. The IOMMU group looks good: IOMMU Group 0: 00:00.0 Host bridge [0600]...


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