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Microsoft finally solve the Linux dual-boot issue after 9 months
(www.gamingonlinux.com)
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this post was submitted on 19 May 2025
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Knowing how to do VFIO and putting windows where it belongs(In a VM) has been such a liberating feeling. Never ever do i have to deal with windows issues anymore.
The only down side of VFIO is that if you have never done it before the initial setup can be a bit tricky. That said, feel free to steal my configs https://git.xaetacore.net/jeroenmathon/vfio-configs :P
I did that, and since I got a dedicated SSD drive for it, I used it for the VM as a block device. Later after a GRUB update I discovered Windows in my GRUB boot menu. Turns out GRUB detected my VM, and now I can physically boot into my VM. Which I didn't even know was possible.
So yeah, I accidentally dual boot Windows without meaning to, even though it's a VM. Except when I boot into it, then it's not, apparently.
Grub did not detect your VM, it detected a bootable operating system on the drive because you passed it through to your VM. So yeah its a nice way to be able to do both VM and Dual boot.
But i prefer using a raw disk file image on my btrfs FS because i have a sub volume for the windows 11 disk images that allows me to use btrfs filesystem snapshots with windows, so whenever i make a mistake on windows i can restore it to working state within 5 minutes.
I also prefer windows not running on bare metal, because i don't trust it or what runs on it enough for that.
Yeah, the bootable drive that contained my VM install, that's what I'm saying.
I started that way, but I had a disk with a single partition that contained a single file - the raw disk image file, and eventually decided this is silly, the filesystem on that disk is useless.
1TB NVME: RootFS 8TB 2x SSD4TB: Home partition 2TB NVME: Neural Network Models, Games requiring fast storage.
Based on that i setup my mounts in fstab so its not just vm images on there, i have 3 virtual disks for each class on there and i try to keep my VM images as small as possible so that i have more space for non VM things