1. G

    GPU passthrough to Windows VM problem

    Hi all I'm struggling to get a GPU to passthrough to a Windows VM to be used for video out/light gaming. I believe I've done all the bios/kernel/vm config required - hoping there's enough info here for someone to spot what I've missed. I have a Dell PowerEdge r720 with dual Intel E5-2650 CPUs...
  2. C

    [SOLVED] NVME Passthrough - Write Protected

    My goal is to have a Virtual Gaming machine running in Proxmox with a dedicated GPU and NVME drive to ensure performance. I understand the limitations and view this as a learning project mostly. I currently have my GPU in my VM with passthrough. It seems to be working just fine and even handles...
  3. C

    From Unraid to Proxmox for GPU passthrough?

    Hello everybody! I have a DeskMeet B660 with intel i3 13100 CPU, 32GB ram and an RX6600 GPU. Right now I am using unraid and it works for making windows VM and passing through the GPU. My only problem was that I had to turn ON CSM and disable rebar and so on to make it work, so my question is...
  4. M

    Passthrough on 6900xt and iGPU 7950x3d

    Hello everyone, i'm just using the last Promox version 8, and windows 11 22h2 sept 22 followed the Reddit tutorial to passtrought for my AMD GPU saphire 6900xt, the windows see the gpu but was unbale to make it work (43), it still missing something and i don't know how to resolve this...
  5. H

    configure I/O scheduler for physical device pass-through

    as title, I need to tune the i/o scheduler for 4 mechanical disk that are passed through to a vm. On proxmox host the scheduler for all disk is none [mq-deadline] On vm guest the scheduler for all those disk is [none] mq-deadline kyber bfq those disks are in a btrfs raid10 setup. what setup...
  6. D

    Passthrough of wifi card 2230 (QCA6174) causes proxmox to go offline / pci_acs_override does not work

    Hi there, I'm trying to passthrough my wifi+bt card (QCA6174) to for the home assistant vm, I got the bluetooth via usb (I didn't do in-depth tests, but the HA recognized it), I'm trying to passthrough the wifi to another ubuntu vm to test, but the idea is to use it on the HA too, but always...
  7. D

    question about usb 2 vs 3 passthrough

    Hi, I have PVE running on a thinkpad laptop that's connected to a thunderbolt 4 docking station. My goal is to pass through onboard USB devices (webcam, audio, bluetooth) to one of the VMs, while leaving the docking station USB ports available to the host. I tried doing this via USB passthrough...
  8. T

    Direct USB passthrough is slow, but using SPICE is fast

    Hello, I want to pass a USB device to a VM (namely a USB TV tuner for a TV server). When I do it directly by adding a USB device to the VM with the vendor/device ID, it seems as if the device is sometimes slow to respond. However, when I add a SPICE USB channel, change the display to SPICE...
  9. G

    I can't activate USB 3.0 Passthrough in GUI

    Hello, first of all, sorry for my English as it is not my native language. On my Proxmox 7.4-3 server I have a virtual machine running Windows Server 2012 R2 with the QEMU agent installed and running. When I try to add a USB it does not let me activate the USB3 option from the GUI. On the...
  10. G

    MinisForum NAB6 IOMMU direct passthrough problem

    Hi, I tried to to read as many pages and manuals as I could but I came down to the conclusion that my motherboard doesn't support IOMMU. If someone here could help me it will be great, but after 2 days of searching and trying I have to say I'm giving up a bit. I bought my new MinisForum NAB6...
  11. A

    The HDMI cable needs to be unplugged and plugged back in before the screen can be displayed

    Hello everyone, I have successfully pass through the RTX2080Ti to Windows11 and Archlinux according to the community post, but there is a problem with passing through to Archlinux: the monitor will not display the screen after starting Archlinux unless the HDMI cable is unplugged and plugged...
  12. H

    Zwingend zweite Grafikkarte erforderlich?

    Hallo zusammen! Bevor ich hier in aller Ausführlichkeit schreibe, was ich schon alles probiert habe, möchte ich nur eine kurze Frage stellen. Ich habe eine Intel CPU mit Onboard-Grafik (00:02.0 VGA compatible controller: Intel Corporation GeminiLake [UHD Graphics 605] (rev 03)) und möchte sie...
  13. M

    Need help with GPU passthrough in Proxmox: NVIDIA RTX 3060 not working properly

    I've been trying for weeks to get GPU passthrough to work in a Windows 10 guest vm in Proxmox. I'm having trouble troubleshooting, or even understanding what I'm doing, since I feel like I've been following multiple guides at once and implementing any/all advice I find on forums. A few weeks...
  14. P

    Recover GPU from VM after it shuts down

    1. I have 2 VMs that can takeover the 1 GPU in my system 2. I can pass the GPU between the 2 VMs without a hitch, i.e. shutdown A, startup B, shutdown B, startup A 3. Based on this, what commands can I type in Proxmox to take back control of the GPU?
  15. O

    [SOLVED] Dedicated server : iGPU passthrough no IOMMU at all in /sys/kernel/iommu_groups

    Hello, I have a dedicated server online. It has a Xeon E3-1245 v2. I installed Proxmox using their image template, everything works exept PCI_passthrough. I also have a personal server at home with Proxmox to, on this one I'm able to passthrough my 2 nvidia cards and my iGPU. So I usually...
  16. P

    [SOLVED] Weird audio pass through problem

    # Main problem There is a 2 seconds gap of silence after every 10 seconds of normal playback # Setup 1. Proxmox 7.4-3 2. Passing through GPU + a PCIe Sound Blaster to Windows 10 VM 3. Running VAC, same thing happens with
  17. D

    Bridge NIC Passthrough for use in LXC

    Hi to all, After struggling with briding WAN/LAN in pfsense/OPNSense VM I decided to use NIC passthrough for my LAN interface. I had heavy packet loss when using bridge LAN interface in pfsense/OPNsense, this topic on reddit gave me hints and I had no more issues after using NIC passthrough for...
  18. S

    How to pass through a GPU on a VM from Proxmox

    I've been trying to find a tutorial or something to help me make my Quardo P4000 work on a Debian VM running on Proxmox. It worked fine on a Windows Server VM but I wanted to install Jellyfin on Debian and use it with my Quadro P4000. Can someone please help me make this work? I don't know what...
  19. A

    [SOLVED] Need help on PCIe passthrough(intel iommu)!

    Hi everyone As you might have guessed, I'm having trouble with getting pcie passthrough to work. I think I've tried everything I can find on google and youtube, which were mostly the same. Here's my progress so far: Double check vt-d is enabled in bios reset bios and re-enable vt-d checked...
  20. Z

    Best approach for a TrueNAS VM

    Hi, I'm thinking about setting a truenas VM on a proxmox server and scenarios which I can choose for that job. On proxmox installation I have a ZFS raid10 pool for VM storage. I would create a VM for the truenas, but what would be the best option for the truenas storage? Scenario #1: One...


The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway.
We think our community is one of the best thanks to people like you!

Get your subscription!

The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Tens of thousands of happy customers have a Proxmox subscription. Get your own in 60 seconds.

Buy now!