gtk with virtio and opengl black screen qemu-system-x86_64 -name manjaro -enable-kvm -cpu host -smp cores=4,threads=1 -M q35 -m 8G -cdrom /mnt/Storage/ISO/manjaro-gnome-20.0.3-minimal-200606-linux56.iso -machine type=pc,accel=kvm -vga virtio -display sdl,gl=on Boots properly and has working 3d acceleration with virgl. Running qemu-system-x86_64 -name manjaro -enable-kvm -cpu host -smp cores=4,threads=1 -M q35 -m 8G -cdrom /mnt/Storage/ISO/manjaro-gnome-20.0.3-minimal-200606-linux56.iso -machine type=pc,accel=kvm -vga virtio -display gtk,gl=on however, (difference being gtk instead of sdl), the screen is black, and the vm still starts. System Specs Gentoo Linux 64bit Gentoo-Sources 5.8.13 Kernel Qemu 5.10.0-r1 compiled with USE="aio bzip2 caps curl fdt filecaps gtk jpeg ncurses nls opengl oss pin-upstream-blobs png pulseaudio sdl seccomp slirp spice usb usbredir vhost-net virgl vnc xattr xkb" PYTHON_TARGETS="python3_7" QEMU_SOFTMMU_TARGETS="x86_64" QEMU_USER_TARGETS="x86_64" Ryzen 7 2700x Nvidia 1070ti GPU I can confirm the same issue when using libvirt with opengl.