kvm-guest-drivers-windows
virtualbox-org-svn-vbox-trunk
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kvm-guest-drivers-windows | virtualbox-org-svn-vbox-trunk | |
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32 | 3 | |
1,826 | 86 | |
4.1% | - | |
9.0 | 0.0 | |
7 days ago | 6 days ago | |
C | C | |
BSD 3-clause "New" or "Revised" License | GNU General Public License v3.0 or later |
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kvm-guest-drivers-windows
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Why are Apple Silicon VMs so different?
There's mature VirtIO drivers for just about everything already, under the virtio-win umbrella: https://github.com/virtio-win/kvm-guest-drivers-windows
My desktop PC is using libvirt+qemu (on an Arch host. I use Arch, btw) to PCI passthru my RTX 4090 GPU to a Windows guest. I installed the guest initially with emulated SATA for the main drive. Once Windows was up and running, I installed virtio-win and the guest is now using virtIO accelerated drivers for the network interface, main disk. I'm also sharing some filesystems using virtio-fs.
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Help with my setup
So, I started configuring the PC with ubuntu desktop (since I need a GUI for my use case). Then I setup a windows KVM with this. In my use case, I want the windows VM to be always connected to a VPN (Mullvad) that has the toggle of LAN connections turned on. This is because I want to use sunshine on the KVM to stream my desktop to a firestick. This is how I have been configuring one PC till now for my family to be able to watch TV. The issue is that I cannot use sunshine or parsec cos there are no encoders in the VM, thus the performance sucks. (I could use software encoders, but I would use too much CPU for windows VM, which would make me unable to run a LLM (this was my plan) )
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VirGL
Note also: it just got an experimental Windows driver!
[1]https://github.com/virtio-win/kvm-guest-drivers-windows/pull...
- [viogpu3d] Virtio GPU 3D acceleration for windows by max8rr8 · Pull Request #943 · virtio-win/kvm-guest-drivers-windows
- Virtio GPU 3D acceleration for windows
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Libvirt/virtio: Limited resolution on Windows guests
virtio-GPU for Windows for now is just a basic display driver, without any kind of acceleration, so there shouldn't be any difference between using it and QXL, which is fully emulated and in it, if necessary, you can increase the VRAM to be able to use high resolutions, as explained here. Note: this link is just from a quick search, I tried this for myself some time ago but my intention was not to increase the resolution but just to find out if it was possible to have some kind of 3D acceleration, as it happens in VirtualBox, but is not possible yet.
- I Have passed through my gpu to windows VM in proxmox but not getting output via hdmi
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Why is the virt-manager display so slow?
The only sorta-responsive display tech I've found is Virt with GL (3D) enabled. And if your physical box has 4k video you can forget about going anywhere near full screen with that guest VM.
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Virtiofs slower than Samba file sharing?
I suggest you open a new issue in the repository describing this, or search if there is one open reporting the same. Also, keep in mind that as an early stage it might be a good idea to avoid copying important files using this, you could end up losing data unless you do an integrity check (recently I tried installing a game on the VM in a host directory and it didn't work. I'm thinking of an alternative or going back to using VirtualBox, since the shared folders worked very well for this purpose).
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Windows Server 2019 - vioscsi Warning (129) - locking up data drive
The problem was really bad with latest virtio drivers, so I downgraded to version 204, as per: https://github.com/virtio-win/kvm-guest-drivers-windows/issues/623
virtualbox-org-svn-vbox-trunk
- VirtualBox 7.0 Released – Full VM Encryption Support, New Direct3D Acceleration
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Quickemu: Quickly create and run optimised Win-10,11/macOS/Linux on Linux
So my understanding – if you run VirtualBox on macOS, and you choose macOS as Guest OS type when creating your VM, it automatically turns GetKeyFromRealSMC on. That means you are using option (2) by default. You can always switch to option (1) instead if you want to, but if you are virtualising macOS-on-macOS, there is little reason to.
From reading the VirtualBox source code [0] – it also automatically enables GetKeyFromRealSMC if it detects Apple hardware, even if the host OS isn't macOS. So, if you install Windows on your Mac, and then create a macOS VM in VirtualBox, it will automatically select option (2) as well. (I think, they actually include the code to talk to the Apple SMC in their Windows and Linux kernel drivers too.)
(Note I haven't actually tried doing this myself, this is just what I gather from the source.)
[0] https://github.com/mdaniel/virtualbox-org-svn-vbox-trunk/blo...
- PopcornTime + Virtual Machine, works?
What are some alternatives?
quickemu - Quickly create and run optimised Windows, macOS and Linux desktop virtual machines.
VBoxHardenedLoader - VirtualBox VM detection mitigation loader
vgpu_unlock - Unlock vGPU functionality for consumer grade GPUs.
LookingGlass - An extremely low latency KVMFR (KVM FrameRelay) implementation for guests with VGA PCI Passthrough.
homebrew-qemu-virgl - A homebrew tap for qemu with support for 3d accelerated guests
qemu-pinning - My QEMU fork with pinning (affinity) support and a few tweaks.
cbsd - Yet one more wrapper around jail, bhyve, QEMU and XEN
dokany - User mode file system library for windows with FUSE Wrapper
dot - Dotfiles
swtpm - Libtpms-based TPM emulator with socket, character device, and Linux CUSE interface.
QEMU - Official QEMU mirror. Please see https://www.qemu.org/contribute/ for how to submit changes to QEMU. Pull Requests are ignored. Please only use release tarballs from the QEMU website.