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Here is my situation: I run proxmox on two machines, let's call them "H" and "D", where H is a "home server" and D is a "desktop with multi-seat". - H runs a TrueNAS VM, let's call this "VMhNAS". - D runs my Linux desktop VM (with GPU passthrough) as well as a Windows desktop VM (again with...

Hello, I seem to be experiencing the same issue. Did you ever get to the bottom of this?

I have made some progress: Running modbprobe amdgpu got this to work. After loading the driver there is now a /dev/dri directory and I am now able to start VMs with VirGL as the display. The reason the driver was not loaded was that I had blacklisted amdgpu. I have removed the blacklisting...

Hello leesteken, First of all here is the output: 0a:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Navi 21 [Radeon RX 6800/6800 XT / 6900 XT] [1002:73bf] (rev c3) Subsystem: ASRock Incorporation Navi 21 [Radeon RX 6800/6800 XT / 6900 XT] [1849:5203]...

Hello, I have two Radeon GPUs on my system: one 6700XT and one 6800. I have been using both with passthrough for a dual-seat configuration. I now want to be able to use VirGL with one of the two. As I understand it, in order to do this the host must load the amdgpu drivers. I have tried...

Hello, I use Proxmox to run my main desktop. I run EndeavourOS (Arch-based) Linux on my main VM which has an RX6800 via PCI passthrough. It also has a USB mouse and keyboard that are attached to the VM. Recently I got a Logitech Brio with USB signature 046d:085e and I cannot get it to work...

I have managed to solve this problem. The solution depends on whether you are using X11 or Wayland. I use Wayland so the solution in my case was to add the following kernel parameter: video=Virtual-1:2560x1440@60 After rebooting I was able to select my desired mode. Source of fix: Dave...

Hello, I run an Arch Linux VM using a VirtIO-GPU adapter. I connect to it mostly through RDP (I use Gnome's screen sharing) but also with the windows virt-viewer client. My problem is that I have a 27" monitor at 21:9 ratio and I want to run it at 2560x1440 resolution, yet that is not...

EDIT: adding the initcall_blacklist=sysfb_init kernel parameter fixed things for me! Everything now works as before. I did not have to uncheck the "All Functions" box like others have reported. The give-away if you have two VMs like me is that the one that has the issue will be the one logging...

Hi, I just confirmed the work-around I hypothesized in my post: addint the blacklist configuration, together with the vfio options and the kernel parameters to not log on boot allows me to use 5.15.64. I suspect that the AMD driver has a bug in its "release GPU" code that was introduced some...

Hello all, I updated from 5.15.53-1-pve to 5.15.64-1-pve and my VMs have stopped working. When starting they UI simply prints an error that "Error: unable to read tail (got 0 bytes)". In /var/log/daemon.log I see: Nov 14 21:30:25 pve pve-guests[7004]: start VM 101...

Sure: root@pve:~# for d in /sys/kernel/iommu_groups/*/devices/*; do n=${d#*/iommu_groups/*}; n=${n%%/*}; printf 'IOMMU group %s ' "$n"; lspci -nns "${d##*/}"; done IOMMU group 0 00:01.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge [1022:1482]...

Thank you! I followed your instructions about unblacklisting the amdgpu module and removing all the kernel parameters and it works just fine! I see the following in the kernel log when I start the VMs: Jul 10 23:08:34 pve kernel: Linux version 5.15.39-1-pve (build@proxmox) (gcc (Debian...

Hi all, I just located this thread after upgrading and running into GPU passthrough issues. My host is a 5950X with two GPUs: a 6700XT and a 6800. These are both passed through to VMs and I've been happily running with 5.13 kernel for a while, but after receiving 5.15 one of the two stopped...

After exhausting all options I looked at different 6000 series cards and ended up replacing the Aorus 6700 XT: there is simply something worng with that particular card. I am now using: MSI Radeon RX 6700 XT Mech 2X 12GB Asrock Radeon RX 6800 Challenger Pro 16GB Both of them work without...

Also note that if I suspend/resume the host, the issue is resolved and I can then successfully restart the VM and use the 6700XT in the VM. Here is the command I use: #!/bin/bash N=4 echo "1" | tee -a /sys/bus/pci/devices/0000\:0b\:00.0/remove echo "1" | tee -a...

I should note that: The 6700XT is passed through with the ROM hostpci0: 0000:0b:00,pcie=1,x-vga=1,romfile=Gigabyte.RX6700XT.12288.210318.rom If I try the same with the RX550 (which uses the vendor-reset) everything works

Hello everyone, I am trying to pass through a 6700XT properly. Currently I am stuck in the following state: Proxmox boots and I can start a VM using the GPU I can use the GPU in the VM quite stable (run BasemarkGPU, Unigine Heaven, Steam games) After shutting down the VM I can no longer...

Hello, I'm new to proxmox. Today I tried to take my first snapshot of an unprivileged container. Instead I found the button disabled and the message "The current guest configuration does not support taking new snapshots". After reading up in these forums, I saw references to this storage...