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by Jellington
Thu Mar 21, 2024 9:52 am
Forum: Retro GPU Passthrough
Topic: How I set up Windows XP GPU passthrough with libvirt/QEMU/KVM
Replies: 19
Views: 23147

Re: How I set up Windows XP GPU passthrough with libvirt/QEMU/KVM

Anyhow, has anyone ever got VirtIO working with Windows XP? I've been unsuccessful in it so far. Seems to have worked without issues for me last time I tried to make a VM with a spare GT 610. You have to use F8 and the 0.1.190 floppy to get Windows to install to virtio-blk (alternatively inject the...
by Jellington
Sat Oct 14, 2023 10:00 am
Forum: Retro GPU Passthrough
Topic: How I set up Windows 7 (or Vista) GPU passthrough with libvirt/QEMU/KVM
Replies: 33
Views: 32880

Re: How I set up Windows 7 (or Vista) GPU passthrough with libvirt/QEMU/KVM

Tested the legally acquired FlashBoot preloader (flashboot33n.efi) and it does allow me to properly boot into the vanilla Windows 7 system with full resolution, yet installing AMD display drivers results in the Code 12 error. Worth noting that I don't have any virtual graphics adapter connected at t...
by Jellington
Sat Oct 14, 2023 7:37 am
Forum: Retro GPU Passthrough
Topic: How I set up Windows 7 (or Vista) GPU passthrough with libvirt/QEMU/KVM
Replies: 33
Views: 32880

Re: How I set up Windows 7 (or Vista) GPU passthrough with libvirt/QEMU/KVM

MattKC wrote: Thu Oct 12, 2023 4:23 am I have tried the VGA.SYS disabling but didn't have any luck.
Same, I've tried injecting the QXL driver into the system image and the system just froze on black screen. Apparently, someone was trying to backport the driver from early Windows 8 beta builds but they haven't had much luck yet.
by Jellington
Sun Oct 08, 2023 3:17 pm
Forum: Retro GPU Passthrough
Topic: How I set up Windows 7 (or Vista) GPU passthrough with libvirt/QEMU/KVM
Replies: 33
Views: 32880

Re: How I set up Windows 7 (or Vista) GPU passthrough with libvirt/QEMU/KVM

Apparently, it might be possible to boot 7 in pure UEFI mode by disabling the default vga.sys driver that supposedly hangs the system on boot. I might try that myself once I figure out how to slipstream updates into base SP1 ISO to not waste time with broken Windows Update. https://reboot.pro/index....
by Jellington
Sun Jun 18, 2023 2:57 pm
Forum: Retro GPU Passthrough
Topic: How I set up Windows XP GPU passthrough with libvirt/QEMU/KVM
Replies: 19
Views: 23147

Re: How I set up Windows XP GPU passthrough with libvirt/QEMU/KVM

There's only one last thing to add: XP does not ship with the SATA drivers for the hardware that Q35 emulates, so we'll need to load them from floppy disk at startup. If we don't, the setup will BSOD with error code 0x0000007B. For your convenience, here are the drivers you'll need in a convenient ...