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id = 1141
title = "virtio-gpu-gl-pci not working with arm/aarch64"
state = "opened"
created_at = "2022-08-03T17:17:26.365Z"
closed_at = "n/a"
labels = ["device:graphics", "target: arm"]
url = "https://gitlab.com/qemu-project/qemu/-/issues/1141"
host-os = "Xubuntu 20.04"
host-arch = "x86-64 (Ryzen 2700x + nVidia GT1030; another host: Ryzen 4700U + integrated VEGA graphics)"
qemu-version = "QEMU emulator version 7.0.50 (v7.0.0-2789-g616a6459d8)"
guest-os = "Debian 11 for arm (looks like any system fail)"
guest-arch = "ARM"
description = """Since migration to using virtio-gpu-gl-pci instead of virtio-gpu-pci (commit 17cdac0b51bc4ad7a68c3e5e0b1718729b74d512, used git-bisect to find the problem) my arm guests fail to load. If I use -device virtio-gpu-gl-pci, I don't get any image on the virtual guest screen. If I use -device virtio-gpu-pci, I can boot the guest and get the image, but GL acceleration is not working. Changing sdl to gtk doesn't help."""
reproduce = """1. Download debian netinstall boot iso for arm (https://cdimage.debian.org/debian-cd/current/armhf/iso-cd/debian-11.4.0-armhf-netinst.iso)
2. Copy edk2-arm-code.fd and edk2-arm-vars.fd files from build dir.
3. Run command line ```qemu-system-arm -machine virt -m 512 -cdrom debian.iso -device virtio-gpu-gl-pci -display sdl,gl=on,show-cursor=on -pflash edk2-arm-code.fd -pflash edk2-arm-vars.fd```, get a black virtual screen.
4. Run command line ```qemu-system-arm -machine virt -m 512 -cdrom debian.iso -device virtio-gpu-pci -display sdl,gl=on,show-cursor=on -pflash edk2-arm-code.fd -pflash edk2-arm-vars.fd```, get an image on the virtual screen."""
additional = """I have an x86_64 guest which uses virgl, and it runs fine after 17cdac0b51bc4ad7a68c3e5e0b1718729b74d512 with only changing virtio-gpu-pci to virtio-gpu-gl-pci"""
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