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lemmy - Link to source

Is there an easy way of having a vm with gpu pass through to play windows games ?

Basically the title. I’ve only ever seen huge 20 page guides on how to make it work. Is there an easy way?

Specifically on Debian or Arch with a laptop with two gpus (zephyrus g14)

in reply to shapis

friendica (DFRN) - Link to source

Nanook

@shapis It's complicated to setup but once done works wonderfully, you can share one GPU between OS's in real time, even have one windows window up along with Linux at the same time. So I'm temporarily fuxored but I already have a plan for a fix and that is simply to steal the UEFI vm bios from Manjaro which does work and use it on Ubuntu.

Linux reshared this.

in reply to shapis

lemmy - Link to source

wvstolzing

With Proxmox on AMD gpus, it can be as simple as picking a pci device from a dropdown.

-- but then again, you'll need to learn how to properly use proxmox, esp. with respect to storage configuration. Also, the performance can still suffer, depending on various factors.

If it's not too big of an inconvenience, dual boot is the way to go, IMHO.

in reply to variants

friendica (DFRN) - Link to source

Nanook

@variants @shapis Not true, a root-kit will break it in wine because wine is just translating windows sys calls into Linux sys calls, but a vm is actually running a windows kernel, then the root kit anti-cheat works fine. With GPU pass through, I have found no games that work under Windows won't also work within the VM.

Linux reshared this.

in reply to Nanook

lemmy - Link to source

halfapage

There are many signs for software running in a VM to realize it does, especially if you want an easy setup. In theory you could mask that, in practice it would be very tedious, time consuming, and not perfect enough anyway.
This entry was edited (Wednesday, November 13, 2024, 6:26 AM)
in reply to Nanook

lemmy - Link to source

halfapage

You can absolutely run stuff on VM with approximately native performance and it's not even that difficult to set up. I meant that it's not easy to obscure fact of running inside a VM from programs such as anti-cheats, which seemed to be an original concern.
in reply to The Ramen Dutchman

friendica (DFRN) - Link to source

Nanook

@Fonzie! Interesting, haven't played that game so no experience with it. VirtualBox does do some things a bit differently, I was not able to get flyff to run it well, it runs but at about 3fps, where as it runs normally in kvm/qemu.

Linux reshared this.

in reply to shapis

lemmy - Link to source

blobjim [he/him]

I also don't know if there's any Linux program that will automatically do the configuration for you.

It seems like it would be pretty complex since I guess you need to disable the linux host from using the GPU, and do PCI passthrough in a VM that has Windows installed.

And there's still the problem of the graphics needing to move around the system in order to get to the display instead of the display being directly connected to the GPU.

Seems like a pretty cool thing that would be neat to have a nice automated GUI solution for.

I was just looking at, seems like it's difficult but not impossible

I'm in the same boat that it seems too difficult (and I bet the performance still isn't near native).

I just dual boot and boot into Windows if I'm going to play a game.

Single GPU Passthrough Tutorial - KVM/VFIO

The world's first and world's best video tutorial on single gpu passthrough. Play video games in a Windows VM running on Linux# LINKS #Discord Invite: https:...
YouTube
This entry was edited (Wednesday, November 13, 2024, 7:36 AM)
in reply to blobjim [he/him]

friendica (DFRN) - Link to source

Nanook

It seems like it would be pretty complex since I guess you need to disable the linux host from using the GPU, and do PCI passthrough in a VM that has Windows installed.@blobjim [he/him] @shapis


This is all addressed by the Linux kernel and xml code specifying it for the VM.

And there's still the problem of the graphics needing to move around the system in order to get to the display instead of the display being directly connected to the GPU.

Again handled by the kernel and qemu, just requires a bit of XML code in the vm description. Not a big deal.

Linux reshared this.

in reply to xtapa

friendica (DFRN) - Link to source

Nanook

@xtapa @shapis Lutris is just wine, so any game using a kernel anti-cheat won't work under Lutris. And most of the games I play aren't steam so it does me little good personally, and many of the steam games I have tried don't work on Linux in spite of steam being installed.

Linux reshared this.

in reply to shapis

lemmy - Link to source

antsu

I have the 2020 G14 and I got this working once. I'm afraid easy and simple are not a thing here, as you need to understand what you're doing if you want it to work well.
The basics are:
- Prevent the host system from loading any drivers that touch the discrete GPU. This is done by attaching it to the VFIO driver and uninstalling/blacklisting the Nvidia and Nouveau drivers.
- Make sure you have the correct kernel parameters to support virtualisation and PCI-e passthrough.
- Create a Windows VM and attach the Nvidia GPU to it.
- Setup Looking Glass so you can play with the best possible latency. This will likely require a dummy USB-C display stick.

Personally, I don't think it's worth the hassle. I keep a Windows install for when it's needed, and do most of my gaming on a separate system.

Unknown parent

friendica (DFRN) - Link to source

Nanook

@brian To be honest, until and unless it becomes a problem for me, not really. KVM has the host CPU executing the VM instructions so timing on CPU instructions should product identical results. I have the VM setup as CPU and GPU pass through.

Linux reshared this.

Unknown parent

lemmy - Link to source

TarantulaFudge

I mean, I hope they keep doing that because Valorant sucks. Everything about it is boring and 20 bucks for one gun wrap is outrageous. The rootkit is invasion of privacy I don't want to reboot just to play. The rounds go on for so long people just get bored and start griefing... If you leave early the game punishes you hard. There are plenty of better games to play. Not to mention it's only KB/M no cross play no ability for players with disabilities. Perfect for conservatives who only care about themselves like to have players begging to drop their wrapped guns
This entry was edited (Sunday, November 17, 2024, 3:50 PM)

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