id = 2025
title = "Can't make the touchscreen work in Windows VM, device virtio-multitouch-pci not starting"
state = "opened"
created_at = "2023-12-09T14:46:00.455Z"
closed_at = "n/a"
labels = ["device:graphics", "device:virtio"]
url = "https://gitlab.com/qemu-project/qemu/-/issues/2025"
host-os = "debian 12"
host-arch = "amd64"
qemu-version = "8.1.2"
guest-os = "Windows 10"
guest-arch = "64 bits"
description = """I tried the multitouch on qemu 8, by adding "-device virtio-multitouch-pci" to the qemu cmd line
I could make the multitouch work for an Ubuntu VM, but not for a Windows VM
Last version of Virtio drivers are installed in Windows.

Here are the issues i can see in windows : 
![image](/uploads/9865057934d3668850742905e646bbcc/image.png)

Windows Events of virtio input driver device :

```
Device PCI\\VEN_1AF4&DEV_1052&SUBSYS_11001AF4&REV_01\\3&2411e6fe&0&18 had a problem starting.
Driver Name: oem7.inf
Class Guid: {745a17a0-74d3-11d0-b6fe-00a0c90f57da}
Service: VirtioInput
Lower Filters:
Upper Filters:
Problem: 0xA
Problem Status: 0xC000009A
```
Qemu didnt produce any logs regarding this PCI 

Do I miss something ? 

Thanks for your help"""
reproduce = "n/a"
additional = "n/a"