id = 2315
title = "Mouse cursor is flipped / inverted / upside-down with virtio-gpu in some Wayland compositors"
state = "opened"
created_at = "2024-04-29T10:30:27.443Z"
closed_at = "n/a"
labels = ["GUI", "device:graphics", "device:virtio"]
url = "https://gitlab.com/qemu-project/qemu/-/issues/2315"
host-os = "Arch Linux"
host-arch = "x86_64"
qemu-version = "9.0.0 / 8.2.2 / older"
guest-os = "Arch Linux"
guest-arch = "x86_64"
description = """The mouse cursor is flipped:"""
reproduce = """1. Install a Linux system with a 6.8.x kernel inside the virtual machine
2. Install sway / wayfire / hyprland, or kwin 6.0.4.1
3. See the mouse cursor"""
additional = """The [kwin fix](https://invent.kde.org/plasma/kwin/-/commit/a31561c392adf5abcda0284e8049fafcb3701585) just makes use of dumb buffers instead of dmabuf.

The mouse cursor should be pointing to the maximizing button at the top-right corner:
![Screenshot](/uploads/f1c3db2129955159e9ce765dd29ae9eb/a.png)"""