Vfio looking glass Performance was decent, but no more than 30fps display. I've done pretty much everything I could think of but no matter what I do Looking-Glass complains that it can't connect to the spice server. I tried that now but still no dice. 0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers (rev 05) 00:01. 2. 1 documentation when i try to launch my VM i get: lsmod returns: # lsmod |grep kvmfr kvmfr 24576 0 /dev/kvmfr0 device: # ls -l I tried the vfio thing 6 months ago and ended up giving up due to various complications. Members Online • SeaMonkey82. 0. After successfully installing it and making the necessary changes to my vm config, I ran into an issue. Which is why it doesn't work over the network. If Looking Glass does not work, I recommend connecting a display to the graphics card that you are passing through and using the output there to diagnose the issue. ini insert: [app] capture=nvfbc If you add the nvfbc in the . exe as an administrator (Why?) You will be greeted by an intro screen. All: This has been resolved, see: [SOLVED] Help with Dual Nvidia GPU and Looking Glass - #17 by wallacebw I was playing with looking glass with a Arch system this week with a 3090 (Primary) and a 780TI (assigned to guest). 2: 329 Go to VFIO r/VFIO. This will work like that with a dummy plug. I set it to 1 a while back when I was trying to troubleshooting before, so this was my bad. 0 link to the GPU (limited by mother board lanes). Are there any other options to display the output of my VM's hooks functional nix nixos virtualization declarative libvirt looking-glass vfio flake nixos-module kvmfr. To change it, refer the number keys here and type looking-glass-client -m <number>. does anyone know how to get this working without passing through my whole headset? i would like to be able to play a game on my VM while being in a "DMA mapping failed" when trying passthrough with looking-glass. You are presented with the GPLv2 license. Looking glass is pretty good software that makes use of dxgi to duplicate frames quickly with very low latency on the guest vm Huge VFIO news: Project Looking Glass released! linux kvm qemu vfio lookingglass pcipassthrough gpupassthrough In the world of PCI passthrough few things have excited me more than the release of the new Looking Glass project from gnif over on the Level1tech forums. Summary; GRUB; persistent-evdev; udev; Looking Glass; Sync screen blanking; PipeWire; Summary. exe dxgi:adapter=0 dxgi:output=2 This outputs the monitor I want, this is run on Windows not linux This is a subreddit to discuss all things related to VFIO and gaming on virtual machines in general. VFIO passthrough is very close to unplugging the device from the host's PCIe bus: it will still show up in lspci, but the driver will be vfio-pci, and none of the required graphics interfaces will be available. The quickstart guide (PCI standard RAM Controller) says on the windows vm to "update the driver for the device "PCI standard RAM Controller" under the "System Devices" node. This small demo video shows the macOS VM guest connected directly to the display and the right screen shows the LookingGlass app running on the Linux That's what I'm using right now-- integrated Intel graphics for Linux and pass-through Nvidia 1050ti GPU for the Windows 10 VM. The best you can do is make the libvirt XML/QEMU command line changes from the beginning, but you'll still need to configure everything without Looking Glass. If you like this project and find it useful and would like to help out you can support this project directly by using the following platforms. I am using IddSampleDriver to avoid having to use a dummy plug. Linux or windows), so I decided to use looking glass. config looking-glass on both guest and host, and it would work well. io/Text of commands used: https://medium. There is a fairly recent passthrough method called Looking Glass. by @WinterPhoenix96 Looking Glass does a highly efficient video memory copy to the host's shared memory from the guest and displays it on the host running the client. As usual the new version is available for download from the Looking Glass website at https: Allows you to use a fully accelerated Windows or Linux VFIO VM with GPU pass-through from the comfort of your Linux environment instead of needing a physical monitor attached to the GPU. VFIO_MAP_DMA failed: Das Argument ist ungültig 2023-07-07T12:04:52. If I start the VM with a virtio display device connected, I can extend the This is a subreddit to discuss all things related to VFIO and gaming on virtual machines in general. Up until now, we have been using #looking-glass in the VFIO discord server, but due to the need to work with developers and try to diagnose and debug actual bugs in real-time with users, a live communication medium is extremely useful. Looking glass uses a shared memory region for super low latency on the same machine. In the future I plan on using Looking Glass to make this more comfortable. Looking glass has to pass the video frame-buffer information across the PCIE bus from your Guest GPU to your Host GPU. vfio, lookingglass. 1 as well. Steam integration, etc. Then I figured I could still use Looking-Glass if I use my old 1080 Ti for Linux (work) and the 3080 Ti for Windows VM (gaming) but the additional powerdraw sucks and I'm risking Basic Looking Glass setup. See the documentation for how to configure your Virtual This is a collection of scripts and documentation I used to get VFIO + Looking Glass up and running. If I install looking-glass, I can mirror the screen from the NVidia onto the laptop display with good performance. At first the VM would freeze for a couple of minutes when I ran any task that was CPU intensive but after CPU pinning the problem was solved. How do I change max fps of looking glass to 30 fps since I am running games only at 30fps? I don't want looking glass to use extra resources for fps i won't use Changelog: B6 Added retry logic to NvFBC on restart failure Improved the host warning output when the ini file is missing or corrupt. You can´t even automatically position Windows or manipulate anything like that in Gnome-Wayland, they simply think such controls should not be granted to a script Still, Looking Glass only reports Microsoft Basic Display Adapter no matter what I do (even without Spice display). 0-32 (ubuntu). offloading methods and VM passthrough with and without running looking-glass Hardware: Intel 10850K CPU (with iGPU), 8C/16T Isolated for VM. You will want to look for all the PCI Id’s that match your Passthrough Nvidia dGPU to kvm using VFIO and looking-glass, and get rid of the dummy plug by indirect display driver 1 star 0 forks Branches Tags Activity. For things like games you can also hit ScrlLck to "capture" the mouse in Windows, so it doesn't escape the screen. I have been interested in the monitors that gigabyte has recently released with KVMs built in. driver. Install Looking Glass; Setup Virtual Machine; Install required packages# 1 yay -Syu qemu-desktop libvirt edk2-ovmf virt-manager dnsmasq dmidecode bridge-utils spice-protocol libsamplerate After this we need to get the vfio-pci id’s, you can find this with the below IOMMU script. You may now boot the VM and open Looking Glass. A reboot of the VM may fix the issue This is a subreddit to discuss all things related to VFIO and gaming on virtual machines in general. Members Online • looking-glass-client terminal stuffs: [I] 61834781799 main. Date Commit Hash Version Build Status Downloads Log / Source / Win64 Download Log / Source / Win64 / Doc; 2022-12-09 08:00:03: 188f25c6: B6: 3096 / 21104 / 37322 57 votes, 24 comments. A couple of months ago I spent some time trying to add macOS support to Looking Glass. 24GB of 1GB hugepages for VM. i'm at a point where i'm scratching my head and out of ideas. We get it. Hey everyone, I'm not sure if this is even related to edk2/OVMF at all, but hopefully I might at least get some pointers here how/where to debug further. Looking Glass lets you use the VM as a native application, so switching between the VM and the Host is as easy as moving your mouse cursor. Code Issues Pull requests Shell script for launching Hi, fariz@laptop:~$ lspci 00:00. 5GHz and see if it's competing on the guest CPU or validate the shmem device is setup right and you installed the RedHat VFIO drivers for it properly. That's a very bandwidth intensive process. 8e307664 History Installing the Looking Glass service¶ After installing your IVSHMEM driver, we can now install the Looking Glass Host onto our Windows Virtual Machine. If you manually force it to start it stops right after some seconds again. Today I This is a subreddit to discuss all things related to VFIO and gaming on virtual machines in general. Everything is working fine up to the looking glass connection point. As I know Looking Glass requires framebuffer on the card. 32: 5425: August 1, 2024 Motherboards with sensible IOMMU groups. If you check out the looking glass thread on the level1techs forum, the dev, gnif says LG currently has memory copy bandwidth problems at anything higher than HD, and that lines up with my testing. I'm going to create mine in my home folder but you can make yours anywhere. The Looking Glass client can read from that device and display the This is a subreddit to discuss all things related to VFIO and gaming on virtual machines in general. TL;DR: Put some effort into your support requests. r/VFIO Glass Troubles . You usually need 5-10mbit/s to get 720-1080p@60hz over the network. QEMU, KVM, VFIO, IVSHMEM; DMA-BUF; OpenGL, OpenGL ES; DirectX You signed in with another tab or window. Looking glass client can be installed from AUR using looking-glass AUR or looking-glass-git AUR packages. msc, restarting the executable manually, but nothing works. After weeks of testing of Beta 2 Release Candidate 4 and a few minor fixes, I am extremely proud to announce that Looking Glass Beta 2 is now officially available. This monitor has it's downsides so I can't justify buying a new one. in virt-manager, I have the device "Sound ich9" but that's all I see that's sound related. Members Online • Looking-glass uses GPU dma on the guest GPU to transfer to the frames into a shared (between host and guest) memory area, and the iGPU uses main memory as its graphics memory - so I assume it can use memory-memory DMA in This is a subreddit to discuss all things related to VFIO and gaming on virtual machines in general. 94 to be exact. This is a fancy way to say you can have Windows powered by a secondary GPU rendered in your Host OS as either a window or full-screen with very little So you run looking glass in Linux full screen on your second screen, and you simply move over your mouse to move between Linux and Windows. Get your VM working normally first and then deal with Looking Glass once Hey guys, I have a vfio setup via looking glass and it's really pixelated as compared to a native image on another monitor. Hey great writeup! I've also got this working but on a different kernel 6. In addition looking glass can now use the Spice output of a QXL display directly. I got GTX 960 from my friend, Looking Glass worked fine without HDMI cable/dongle connected, it also worked with my GTX 970. r/VFIO • Looking Glass 4K resolution. I"m doing GPU passthrough with Looking Glass. Plain QEMU has been used to keep things minimal, and distro-specific utilities have been avoided to keep things general. Looking glass will always up or down scale the guest's frame buffer to the size of the looking glass window. When I boot the VM and then execute "looking-glass-lient" in the linux terminal, the purple window opens and the terminal output continues until it says "Waiting for Host to Restart". This especially impacted Looking Glass, which was using the 144hz set from the guest's GPU, and resulted in the worst screen tearing than i'd seen, only within Edit: Special thanks to u/Typo-Kign and u/jackun who spotted stupid things I did, first using sudo when creating my LookingGlass directory and forgetting to chown the directory back to my user ( because of my own bad habit of sudo'ing often ), and second for having the host running a different version of Looking Glass than the Client. Host details: CPU - i7-6700K @ 4. Press Next to continue. You can still use it without, but the performance hit is massive and as a result the frametime becomes inconsistent and jittery. just add the deviceinstaller64 enableidd 1(the line is from the link above) to task scheduler with startup as trigger, don't forget using admin user. I guess that solves my problem of virt-manager complaining. If you feel like one you make deserves to be on this list, please let one of us know. As I understand these SR-IOV gpus can be used only as render cards (as example for 3D intensive software over RDP) or for multimedia transcoding using hardware GPU decoders. 37K subscribers in the VFIO community. Before i connect looking glass, the sound works just fine but right when it connects, all sound cuts out. In more recent years it has been more officially referred to as the ABNCP (Airborne Command Post). (Weirdly looking glass is so low latency, that in some setups the host can render frames before the guest. Removed CD ROM SATA which I put Virtio ISO seems resolved my issues. Also worth noting that loooking glass will preserve aspect ratio, so there is no stretching. ADMIN MOD Auto-start looking-glass-client . Looking Glass is basically a (wonderfully) glorified VNC-like viewer, so switching to Arch/Wayland/Hyprland shouldn't negatively affect anything. All of this relies on your specs. Failed to connect to spice server I’m editing the OP to Hello fellow linux fiddlers, I tried one year ago to set up my computer to use QEMU/KVM + Looking Glass on Ubuntu Studio 18. So i was wondering has anyone here actually went through the source code of looking glass, looking for anything suspicious? Do you guys think its safe to build and run it? I guess i could review it myself, but was wondering if anyone has Go to VFIO r/VFIO • by I tried Looking-Glass with QXL and Spice socket but the performance is quite bad and you can't run gpu accelerated applications. Star Notifications You must be signed in to change notification settings. I haven't heard much about looking glass since it was announced. VFIO-Windows-install-walkthrough LookingGlass. Anyone have any ideas on where Welcome to the official subreddit of the PC Master Race / PCMR! All PC-related content is welcome, including build help, tech support, and any doubt one might have about PC ownership. ADMIN MOD Looking glass fails to start . When I allocate 64MB of memory to the VM instead of 32MB and start the VM, I get this message and have not been able to figure out a solution. I would like to just "start" my games one the working device, for example working on my notebook, run parsec and start gaming or use Linux on my desktop pc and run the Windows VM with looking glass. For reference it's running at 1080p, and my main display is at 4k. Hi all, I've got pass through working, evdev working, hugepages configuration working, and now I'm trying to configure looking glass. 153632Z qemu: vfio_dma_map(0x55c2dc872b60 Looking Glass (or Operation Looking Glass) is the code name for an airborne command and control center operated by the United States. Looking glass uses Spice for near-zero latency mouse, keyboard and sound. Updated Jan 12, 2025; Nix; UtkarshVerma / qemu-vfio-win10. NVidia, used a dummy plug and then looking-glass to actually see the VM (on the host/iGPU/internal laptop screen). I forget the specifics of that scenario. AC97 drivers are quite old, and setup is quite tedious. I have not installed it so I don't know if this is possible. " A set of scripts to build a docker environment that easily runs QEMU/Libvirt, and includes looking-glass + scream for sound. Parsec/Steam encodes the video output as a h. Ive successfully compiled the looking glass client and also the host successfully got installed but i am not seeing the IVSHMEM on the device manager and i even tried installing the fedora prewhql driver on my guest os but i dont see an option for windows 11 so i tried to go with win 10 but it still didint work. e. 04, but although I succeeded in the first part (i. I know that this is possible using virtual display adapter (indirect display driver), but I couldn't find any signed driver Looking Glass now supports the audio transport via the SPICE protocol. The title says it all. Looking Glass. I tried reinstalling Windows just in case, but still couldn't get it to work. If that doesn't work I'll take some I'm posting here to maybe get some insight in improving the performance of Looking Glass on my setup. Currently we support output via PulseAudio and PipeWire so this should just work out of the box for most people. Haven't found a solution for that either. This topic’s intent is to provide an official home for Looking After many months of hard work from our team, I am pleased to announce Beta 5 Release Candidate 1 which brings with it a huge number of improvements. ini file and does not start either. Members Online • [deleted] ADMIN MOD Can't start VM with Looking-glass shared memory file added, "can't open backing store for guest RAM: Permission denied" I'm trying to get Looking Glass working in a test VM and I'm having a hell of a time The monitor only supports 120hz, but I was able to see in looking glass that it was able to push over 144 fps. Looking glass is working perfectly, except that I have to switch to the guest and start it by hand first. You signed in with another tab or window. There's an existing post looking for a solution for auto-starting looking glass, but the This is a subreddit to discuss all things related to VFIO and gaming on virtual machines in general. I was just wondering if you've had issues with UAC prompts, it seems that whenever a UAC prompt comes up and the screen dims, Looking Glass input freezes, no mouse or keyboard. 3 trying to get looking glass to output from a windows 10 virtual machine that i've set up with virtual machine manager. I actually purposefully upgraded my PC This repo aims to serve as an example for getting VFIO passthrough working on a Windows 10 guest on Linux. (NOTE: this is not an Here are some curated threads we the community think to provide a great resource for Looking Glass or VFIO Passthrough. XML file and/or the Host system to greatly increase the Guest's performance. io/downloads last bleeding edge release is also B6 (B6-54-219c73ed) Where can I download a latest release with properly signed IDD driver? To add a little about looking glass, if you want maximum performance youre best to use a second display cable from the guest GPU to your monitor. Code; Issues 0; Pull requests 0; Actions; Projects 0; Security; Insights phanen/passthrough We also have a section on the Level1Tech forums for Looking Glass. This VM was build years before looking glass and I did a lot of stuff on it, it can be anything really. Members Hello, I have a 3440x1440 display on my host , so I am trying to size Looking Glass to that, but I need to give it more memory in my XML per the looking glass client. ini file on the Looking Glass installation directory. I'm using Looking Glass B5-rc1, but happens on B5. Feel free to ask for help or discuss the project here. ) The Looking Glass Client receives frames from the Host to display on your screen. Unsure if this is relevant, but even when I boot successfully with just the GPU passthru, I still get the following in the logs. I would like a simple yes or no, or "yes but sudo zypper in binutils-devel clang cmake dejavu-fonts fontconfig-devel gcc gcc-c++ glibc-locale libdecor-devel libglvnd-devel libnettle-devel libpulse-devel libsamplerate-devel libSDL2-devel libSDL2_ttf-devel libvulkan1 libwayland-egl-devel libxkbcommon-devel libXpresent-devel libXrandr-devel libXScrnSaver-devel libXss-devel make Mesa-libGLESv3-devel pipewire-devel Looking glass has the necessary source implemented, that's not the problem. Select the graphics and audio devices you want to passthrough and then select LOAD VFIO. IMO its the easiest method, just works, and gives you more control (for example looking glass has a mute audio option). Problems/Solutions - Ubuntu 18. Works ok, but I can use my card inside the VM without a HDMI cable attached to its card, which is totally understandable. c:1787 | main | Locking Method: Atomic This topic’s intent is to provide an official home for Looking Glass discussion outside of Discord/IRC and try to bring this community together in a commonplace. - sihawken/dockerized_vm_tools Well yeah, because you're now capturing frames and making your GPU do more work. So, I think that is the solution. If you don’t use LG, then you’ll need to dedicate a separate monitor, or an input on a shared monitor to that VM. You can check out other enhancements here if you want to futher improve your experience. That said looking glass only uploads frames to the host when they're actually different from the previous frame, so you might not get 144 frames a second. 264 stream. 9: 933: July 28, 2024 Windows Host fails to start. md; Find file Blame History Permalink Typo · 8e307664 Luxuride authored Jul 09, 2021. And the "Looking Glass client" is the app you run on your Linux host, the "Looking Glass Host Application" (the Looking Glass Server or the Windows Service) runs on your Windows VM - mentioning this, based on your post title, just to be sure https://looking-glass. There is no reason for looking-glass to work if there is no GPU passed through to the VM. ini and forgot the system env variable - or your HW does not support this feature - Looking-Glass will not work! About. c:1786 | main | Looking Glass (B6-rc1) [I] 61834781814 main. However looking glass does feature FSR2, which does a This is a subreddit to discuss all things related to VFIO and gaming on virtual machines in general. i'm on linux mint mate 19. 1 I was previously using scream for audio (and microphone wasn't a thing in the Windows guest) but now that Looking Glass supports it, I decided to try it (and to ditch Scream). With Looking Glass, you can capture the video output of This is the official topic for the Looking Glass KVMFR Project. 04 and Windows 10. wayland: implement window size setting for xdg-shell, This should allow win:autoResize to work on Wayland when Looking Glass B6-rc1 documentation¶ Looking Glass is an open-source application that allows the use of a KVM (Kernel-based Virtual Machine) configured for VGA PCI Pass-through without an attached physical monitor, keyboard or mouse. To Get IDs; lspci -nn. ini. I've tried Looking Glass in the past but I found its performance to be rather poor, I'd have to give the VM 10 of my CPU's 12 cores to get about 30FPS. Client: Thanks to xyene and quantum on the VFIO discord, Wayland is mouse support is greatly improved and clipboard sync is now working. Once I grabbed the correct version of the This is a subreddit to discuss all things related to VFIO and gaming on virtual machines in general. Particularly the memory clock speed and cpu per-core clock speed will be most important here. And I want to connect to my virtual host using looking glass. Just didn't expect host GPU performance actually do matters. LookingGlass demo using KVM and VFIO to play windows exclusive video games in a VM running on LinuxI have a "zero to hero" tutorial series here: https://www. I'm running 1440p at 144Hz on a 4 x PCIe 3. Reboot when prompted and then continue to step 4. Reload to refresh your session. Star 41. It's a bit unfortunate since I've had high hopes for Looking Glass. Just be aware that looking glass uses uncompressed frame buffers. With Looking Glass, you can capture the video output of the VM and display it on the host like any other application. You can also join the VFIO discord found in this sub's sidebar, where there is information on more nuanced things and . The creator, Geoffrey McRae, decided to “Give I very much doubt it is possible to combine VFIO-PCI passthrough with Looking Glass passthrough . I somehow missed that section of the install guide. or even update all the VFIO drivers and test it. I updated the driver fine and everything is working fine, except I can no longer get my ultrawide resolution and 100 Hz refresh rate. I have another 1080p monitor next to my 4k display which also outputs the same image as the looking glass one. Oh if I shutdown the VM, i can still use the NVidia on the host with optirun. This will be just a quick rundown for those that are looking to do the same, I will not be providing help or support on this, but it should get you started should you be looking to do the same. I had a small proof-of-concept up and running but things got in the way and I never got around to finishing it and submitting it upstream. So if you're doing 4K + high refresh rate, the PCIe bandwidth can add up quickly. The latest looking glass supports Spice audio, which includes microphone support if needed. Im running this on a laptop and i got a very laggy vm when i run They're way easier to set up and get working than Looking Glass, they're cross-platform (Linux, Windows, MacOS plus the client also on Android, iOS), and can be used on lower bandwidth connections like over the Internet on your phone. Supports VFIO. From what I've read in the log, looking glass tries to If the parsec works, I think the looking-glass can also work. I ended up running chmod 777 /dev/shm/looking-glass. I for the life of me cannot figure out how to get it to work! I would very much appreciate if anyone could help me out with this. but both are very functional. ADMIN MOD Looking glass does not autostart in windows 10 . I’m planning to use it for a few things Figured I would document my recent success in getting a Threadripper system to pass through both GPUs to VMs without requiring a third video card, or any kernel patches. Unlock for NvFBC pre B7 - Please use the new & better D12 Backend in B7 Resources. OVMF on NVIDIA laptop with Arch host, Windows 10 guest, pcie passthrough, Looking Glass for laptop monitor, synchronized screen idle blanking, bluetooth device passthrough and hotplugging with evdev, GRUB boot entries to switch between u/gnif2 has done an amazing job with Looking Glass and "fixing" FLR on AMD cards when AMD don't seem very interested. 3). Find the <memballoon> tag and set its type to none Create C:\Program Files\Looking Glass (host)\looking-glass-host. Working on Looking-Glass, windows can't find shmem device Support Solved: I hadn't manually installed the windows shmem driver. The issue only arises when I use looking glass. My Hardware gigabyte x570 mobo corsair 64 gb ram @ 3200 rtx 3080ti ryzen 9 5950x 16 core cpu fedora 34 with kvm and vfio enabled and working windows10 with hyperv enabled and working My hardware #2 gigabyte 15p yd laptop 32gb ram @ 3200 rtx 3080 mobile [16 gb vram model] core i7-11800h 8 core 16 thread cpu fedora 34 with kvm and vfio enabled I haven't benchmarked since the new D12 backend, but with the old (worse) performance the overhead with looking-glass compared to native was around 10% in CP2077, but that's a pretty heavy game as is. Hello there fellow Looking Glass users! As of a recent windows 10 update, all programs that utilize audio will hang when the output is set to an ICH6 or ICH9 device. Okay. ├── LICENSE ├── OVMF_CODE. I had this exact problem also with gvt-g+looking glass, some time ago. In order to install Windows, the drivers and all, you need either the What is looking glass? It is a program that uses DXGI (or NvFBC if you're on Quadros or better on Nvidia) to directly capture what is displayed on a video card in a windows virtual machine and then display that on a For a VFIO setup, no you don’t need Looking Glass. Not much luck so far, I'm afraid. I'm trying to see if there's a way to enable NvFBC, and if that would help. c:1859 | main | Looking Glass (B6-210-ga0fd03d328) [I] 1547319890 main. Donations If you like this project and find it useful and would like to help out you can support this project directly by using the following Go to VFIO r/VFIO. i was able to push 4k 144hmhz frames out of looking glass but it seemed like to me the bottleneck in terms of performance was the gpu i was using since i'm passing 24 threads out of 32 from a 3950x cpu and 64gb of ram and my performance was after cpu pinning and other performance optimizations. Part of this needs to be ran each time Looking Glass is executed on the Host. So I wanted to post a quick guide on getting Proxmox/QEMU/KVM to work from VM to VM using Ubuntu 18. The window itself should render at 144FPS though, there is a setting when you run the Looking Glass really, really, really benefits from using the kernel module (kvmfr) on the host, thus utilizing DMA. From my personal testing, with the proper setup and tuning looking glass will shave off about 8-10% performance. Looking Glass address this shortcoming while also providing many more features for productivity, gaming and streaming making the Virtual Machine behave as if it's a native application inside of Linux with 100% software compatibility and near bare-metal CPU & GPU performance. Is anything I'm missing out while configuring Looking Glass on Windows? I've already passed through the iGPU instance as well as the IVSHMEM thing on virsh (my host is Linux Mint 20. e. The main problem for me with looking glass was microstuttering in games (visible in looking glass only, it would work fine in virt-manager even while looking glass was running) and high cpu usage Reply reply Go to VFIO r/VFIO. With Looking Glass, I'm only getting about 30fps for the Windows app I'm running. However, this device causes major performance issues with VFIO passthrough setups, and should be disabled. Yet, I find looking glass usually cited along setups requiring multiple GPUs to work. I have Windows running with intel 630 gvt-g on my laptop, but looking-glass flickering in first minute after windows booting. the monitors would only set 100hz, so host animations and actions were choppy. Sometimes Looking Glass can take a while to start or Windows will refuse to start it. iommu, pciepassthrough. The ultimate purpose of VFIO is to be able to enable PCI passthrough, which allows Looking Glass is just an application that runs on your VM that captures the screen and sends it to the application on the host. Hey everyone, I’ve got vfio working with looking glass and evdev and everything is awesome except for audio. sudo touch /dev/shm/looking-glass && sudo chown vfio:kvm /dev/shm/looking-glass && sudo chmod 660 /dev/shm/looking-glass. You signed out in another tab or window. I wonder if MacOS client and other clients are possible or likely Sure you might not game on the Mac side (u might!) but being able to have hardware accelerated VMs on same display might be pretty cool. Ive tried to setup looking glass on win11 today and it fails to start the host service on the win11 side. Even the Looking-Glass documentation says: libvirt/QEMU configuration. So I'm interested to know how the performance is here with looking-glass without the external monitor. BTW, I am so happy today and I hope this post can be helpful An extremely low latency KVMFR (KVM FrameRelay) implementation for guests with VGA PCI Passthrough. d/kvm. 516. Hey guys Recently migrated to F40 and need to get my vfio setup working again, i decided to try out kvmfr as opposing to using ivshmem. I'd agree if I wouldn't have resources to spare but again, both cpu and gpu are sitting at 50%-60% and I still loose those 20fps. I’m currently running the vm with the command (also I am on Antergos): sudo virsh start win10 I used this Archwiki guide and this The guest will have two monitors, I just want looking glass to capture one of them. I tried restarting the service in services. per title, I never saw this explicitly stated anywhere, none of the guides or posts I found talk about it. A few days ago I noticed there was an Nvidia driver update. g: Right Ctrl is 97, so you should type looking-glass-client -m 97. Notes on PCI Passthrough on NixOS using QEMU and VFIO 28 Sep 2019. But I can be wrong and I want to be sure that it's impossible (Intel SR-IOV + Looking Glass) in C:\Program Files\Looking Glass (host)\looking-glass-host. If you already feel like reading this post takes too much time, you probably shouldn't join our little VFIO cult because ho boy are you in for a ride. This meant a drop from 60 to 54 FPS in the benchmark. for example gaming at that resolution and fps on ultra settings on a 1080ti sc2 Go to VFIO r/VFIO. com/@blandmanstudios/tutorial-the-ultimate-linux-laptop-for-pc-g After many months of hard work from our team, I am pleased to announce Beta 5 which brings with it a huge number of improvements. LG is at two part application that uses a shared memory device, that allows dumping of a framebuffer through the PCI bus to be rendered by a secondary GPU. But again, no details in the post :( Not looking for a tutorial, just for a generic description of the things you are doing. WTF is Looking Glass?. How can I trick windows to think that there is one? My weekend project with the goal of playing some DayZ! I've wanted to try out looking-glass but didn't know how libvirt worked well enough to get it working with just qemu arguments. I did as recommended in the looking glass Readme 38K subscribers in the VFIO community. r/VFIO. 04 - VFIO PCIe Passthrough w/ Looking Glass. This is the final step required to move away from dual booting with other operating systems for legacy programs @gee_one, thanks for sharing, that Wired Display seems to be the key to my problem. To do this we're going to write a very simple script. Thanks for the quick response! Go to VFIO r/VFIO. So you can't create a "Looking Glass VM" directly. Only problem now is the. More useful for development than anything, except maybe the occasional tweaking/troubleshooting. Looking Glass uses DXGI (MS DirectX Graphics Infrastructure) to pass complete frames captured from the VM's passed Looking Glass now supports the audio transport via the SPICE protocol. As usual the new version is available for download from the Looking Glass Go to VFIO r/VFIO. The only caveat is Sunshine requires hardware video encoding support but it doesn't have to necessarily be high Go to VFIO r/VFIO • by AMD RX580 passthrough with looking glass doesn't work. the gpu i'm passing through to the guest win10 vm is a 1080ti sc2, and the host is using It is looking for an inexistent . Stability will mostly depend on how you have your VM setup and VFIO configured. Now that the ryzen kvm issue is resolved and looking glass looks like like it will resolve other complications, I'm thinking about buying a 1030 for my host card and giving it another go. Normally looking glass uses a custom service on the guest to copy the frame buffers to the looking glass client. pre=vfio-pci. Due to how it works looking glass needs a real display attached (or a HDMI dummy). Up until a few days ago now we have been using #looking-glass on the VFIO Discord server, however as we have grown it has become untenable to manage the triage requests along with the This is a subreddit to discuss all things related to VFIO and gaming on virtual machines in general. 0 PCI bridge: Intel Corporation 6th-10th Gen Core Processor PCIe Controller (x16) Contents. This is a subreddit to discuss all things related to VFIO and gaming on virtual This can also set up IOMMU and adds VFIO modules, but is limited to GRUB only. Looking Glass is a piece of software that can capture the video output of a GPU passed through to a virtual machine and share it with the host by writing it to an Inter-VM shared memory device. The first time I used looking glass to access my VM with those GPUs, the Windows 10 VM seems to create a Wired Display by itself. Originally set for a Thursday, December 14 release date. If I have the <qemu:commandline/> block pointing to /dev/kvmfr0, it will only boot if I don’t pass-through any PCI host devices (NVMe or RTX 3090) and vice-versa. Gnome Wayland works good (also with looking-glass) but for this setup I've found no way to 'pin' the looking-glass Window to the background. conf and comment out kvm stuff; CC @SgtAwesomesauce it would be cool do be able to do docker run gnif/looking B7 Release Candidate 1 (B7-rc1) After many months of hard work from our team, I am pleased to announce Beta 7 Release Candidate 1 which again contains a huge amount of changes along with some very exciting new features. I use this method and haven't noticed any latency issues The highly anticipated headless VFIO package, Looking Glass, was released early tonight at 4:30 PM PST. This guide assumes you have a working VFIO setup for both win10 and your linux guest. You switched accounts on another tab or window. getting a proper W10 VM), I failed the Looking Glass part, and had issues with a bad GTX 1050 on top of it. This is on my laptop i5-1050 dell 7567 edit: I think it's been solved. fd ├── OVMF_VARS. Using the GPU directly with a display cable you will only loose 1-2% performance. There is no logfile present in %TEMP% and if you start it via cmd manually it just complains not finding any looking-glass. Currently, I am running a dektop pc for gaming (Ryzen 7 3700X and GTX 970, running Windows) and use a Dell XPS 13 2 in 1 (Linux) for programming. With VFIO without looking glass it was 57. I received my 4090 today (ASUS 4090TUF-OC) and when i remove the 780 from the system and replace it with the 4090, it is I deleted /dev/shm/looking-glass and now looking glass is complaining about permissions lol. Unfortunately, none of them are curved ultrawides. Qemu 7. looking glass w'd not give a signal while spice w'd open the vm, without no video connection to the dGPU will looking glass not work? My configuration is iGPU as display adapter even with HDMI and dGPU as a (3d controller only, no display Since the Looking Glass project was first announced back in 2017 the project has grown enormously thanks to the efforts of those in this community and others. Add in /etc/modprobe. That should be it for setting up Looking Glass. No GVTg, iGPU for host, NVidia for VM, dummy-plug, looking-glass. It's like the setup for muxless vfio laptops that relies on remotefx based rdp, even if the laptop has a gtx980m in it the framerate will still be capped to the remotefx display render rate, which makes it potentially extremely suboptimal from a framerate perspective relative to a direct framebuffer memory copy between two actual hardware This is a subreddit to discuss all things related to VFIO and gaming on virtual machines in general. - gnif/LookingGlass Looking Glass can't run until the GPU drivers are installed. Members Online • raydude . Just add a spice sound device to your VM and looking glass will do the rest. c:1860 | main | Locking Method: Atomic I use looking glass but I run games only at 30fps in the vm and looking glass shows higher fps than that. Thanks EDIT: Solved looking-glass-host. A popular youtuber made a video showing everyone they can run Valorant in a VM and lots of people want to jump on the bandwagon without first carefully considering This is a subreddit to discuss all things related to VFIO and gaming on virtual machines in general. Well I ordered a KVM today and will proceed with this route. iommu=1 amd_iommu=on rd. But it's impossible without any display connected. But looking-glass to iGPU is a very non-optimal and laggy affair (it works great with 2 dGPU's, but not from dGPU to iGPU). On the looking glass output the image is For a VFIO setup, no you don’t need Looking Glass. fd From Looking Glass Jump to navigation Jump to search After the initial creation of your Virtual Machine there are a number of performance tweaks you can make to your Guest's . I say just test QXL because that's the only strange video-related thing I can think of in my setup. Support Looking Glass Error: ``` . I am trying to run Windows 10 VM on looking glass but when I switch Video from QXL to none, the VM seems dead, I can't see what's going on because, Interesting. If that process happens to cross NUMA nodes it could get messy. /looking-glass-client -F [I] 1547319850 main. ** For newer gen Intels (11th+) iGPU's, GVT-g is not supported anymore. This is a subreddit to discuss all things related to VFIO and gaming on virtual machines in general. First, run looking-glass-host-setup. But it'll just not work (even if you'd have a build with it enabled, current LG builds have NVFBC disabled) due to (I'm guessing) the Geforce drivers rejecting it or something. However im running into trouble: I followed the guide on Kernel Module — Looking Glass B5. But I’m still eager to getting it to work. but that got solved with options vfio-pci disable_idle_d3=1 in modprobe The actual problem above is solved by not letting linux use the gpu at all Looking Glass is pretty cool: https://looking-glass. . It also handles input, and can optionally share the system clipboard with your guest OS through Spice. Just message us with @leaders. Host GPU is Radeon HD7750 (for optirun) or Intel iGPU (for prime). My running version was something like 505, i forgot which. I got the audio output I’ve been running looking-glass successfully for some time now. . Hitting a KVM button is a sight annoyance, and when switching back and forth is quite annoying. I see. renbtkd xztcw xzyuo cosydc gtfa jalgjbp qylcnxj lifa hrhi mkps