## Host environment - Operating system: Archlinux - OS/kernel version: Linux arch 6.16.3-arch1-1 #1 SMP PREEMPT_DYNAMIC Sat, 23 Aug 2025 15:32:49 +0000 x86_64 GNU/Linux - Architecture: x86 - QEMU flavor: qemu-system-x86_64 - QEMU version: QEMU emulator version 10.0.94 (v10.1.0-rc4) - QEMU command line: ./qemu-system-x86_64 -m 8G -smp 4 -cpu host -display none -vga none -enable-kvm -device vfio-pci,host=00:02.0,x-igd-opregion=on,x-vga=on -cdrom archlinux-2025.08.01-x86_64.iso - Description: Recently i noticed grabled screen with my iGPU HD 4600 (intel i5 4460) Passthrough on booting proccess exactly at grub screen which start to happen only on qemu 10 and future releases upto 10.1.0-rc4 not the case with v9.2.4 and below, also once grub timeout finish with that grabled screen OS loads without any glitch or problem, so please let me know what logs are required to figure this issue out, For now i have attached vfio logs of both versions below. - How to reproduce: 1. Add `intel_iommu=on iommu=pt` host grub cmdline 2. Unbind iGPU from Host `echo 0000:00:02.0 > /sys/bus/pci/devices/0000:00:02.0/driver/unbind` then `echo 8086 0412 > /sys/bus/pci/drivers/vfio-pci/new_id` 3. Execute `./qemu-system-x86_64 -m 8G -smp 4 -cpu host -display none -vga none -enable-kvm -device vfio-pci,host=00:02.0,x-igd-opregion=on,x-vga=on -cdrom archlinux-2025.08.01-x86_64.iso` - Additional Information: It's not exclusive to arch guest but evenything including voidlinux, linux mint and blissos - Logs [Qemu 10.txt](/uploads/14b6f72d30797fe1de700669d50a290f/Qemu_10.txt) [Qemu 9.txt](/uploads/b47efa6824cdc94d533c758507305045/Qemu_9.txt)