@brian Ok, just for kicks tell me where I can get this.

@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.

@Ptsf Haven't played any of those. Anyway, there is a way to edit your xml to fake the machine id.

@Ptsf @shapis I've primarily gamed from a virtual machine and have NEVER EVER been banned, so I don't think so.

@PlasticPaperplane I've never been banned, but ok.

@daggermoon I just use a live boot usb,
mount /dev/sda1 (or whatever root is) /mnt
mount /dev/sda3 (or whatever EFI is) /mnt/boot/efi
mount --bind /dev /mnt/dev
mount --bind /dev/pts /mnt/pts
mount --rbind /sys /mnt/sys
mount --rbind /proc /mnt/proc
cp /etc/resolv.conf /mnt/resolv.conf
chroot /mnt
grub install /dev/sda (or whichever drive you want)

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 @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.

@lord_ryvan 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.

@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.

I used the Arch instructions on Ubuntu 22.04 wiki.archlinux.org/title/PCI_p… and it worked, but broke on 24.04 owing to broken UEFI bios on 24.04.

@KazuchijouNo I had a virtual machine with GPU pass through that I was using for gaming but it got broken in the upgrade from Ubuntu 22.04 to 24.04, it seems the UEFI bios provided in 24.04 does not work with GPU pass through, and I've yet to grab one off an OS where it works to replace it. So for now I'm dual-booting. Yea I agree, not all that comfortable with bare metal but Windows doesn't seem to want to recognize ext4 so there is some security by accident there.

99% of what I do is on Linux, I have one Windows partition I occasionally boot into to play games, it is and will remain Win10.