KMS + Headless + Nvidia: `Unknown Monitor connector type [Meta]`

@LizardByte-bot is already working on this.

Since Sep 10, 2026.

### Is there an existing issue for this?

- [X] I have searched the existing issues

### Is your issue described in the documentation?

- [X] I have read the documentation

### Is your issue present in the nightly release?

- [X] This issue is present in the nightly release

### Describe the Bug

Hello!

First of all, thank you for this outstanding project.

The only way I got my headless setup to work is with the X11 capture method, unfortunately. I have been trying to get my headless setup to work with KMS to no avail. I am now trying to get Wayland + KMS working - since it should be an option since 0.22 - and I just got this "new" error:

```
[2024:03:13:15:42:28]: Error: Unknown Monitor connector type [Meta]: Please report this to the GitHub issue tracker
```

I am creating a virtual monitor with:

```
gnome-shell --wayland --headless --virtual-monitor 1280x720 --no-x11 &
```

Without creating the virtual monitor, `sunshine` always fails with `Error: Unable to initialize capture method`.

Modeset is enabled (`nvidia-drm.modeset=1`).

### Expected Behavior

_No response_

### Additional Context

[min_log_level] -- [0]

### Host Operating System

Linux

### Operating System Version

NixOS 23.11

### Architecture

64 bit

### Sunshine commit or version

0.22.0

### Package

Linux - nixpkgs (Third Party)

### GPU Type

Nvidia

### GPU Model

RTX 4090

### GPU Driver/Mesa Version

535.129.03

### Capture Method (Linux Only)

KMS

### Config

```Shell
[min_log_level] -- [0]
```

### Apps

_No response_

### Relevant log output

```shell
[sunshine@architect:~]$ WAYLAND_DISPLAY=wayland-0 sunshine
[min_log_level] -- [0]
[2024:03:13:15:42:28]: Info: Sunshine version: 0.22.0
[2024:03:13:15:42:28]: Info: System tray created
[2024:03:13:15:42:28]: Debug: System tray loop
[2024:03:13:15:42:28]: Debug: System tray loop
[2024:03:13:15:42:28]: Debug: System tray loop
[2024:03:13:15:42:28]: Debug: System tray loop
[2024:03:13:15:42:28]: Debug: System tray loop
[2024:03:13:15:42:28]: Debug: System tray loop
[2024:03:13:15:42:28]: Debug: System tray loop
[2024:03:13:15:42:28]: Debug: System tray loop
[2024:03:13:15:42:28]: Debug: System tray loop
[2024:03:13:15:42:28]: Debug: System tray loop
[2024:03:13:15:42:28]: Debug: System tray loop
[2024:03:13:15:42:28]: Debug: System tray loop
[2024:03:13:15:42:28]: Debug: System tray loop
[2024:03:13:15:42:28]: Debug: System tray loop
[2024:03:13:15:42:28]: Error: Failed to create session: Unable to open display
[2024:03:13:15:42:28]: Info: Found display [wayland-0]
[2024:03:13:15:42:28]: Debug: Available interface: wl_compositor(1) version 5
[2024:03:13:15:42:28]: Debug: Available interface: wl_eglstream_display(2) version 1
[2024:03:13:15:42:28]: Debug: Available interface: wl_drm(3) version 2
[2024:03:13:15:42:28]: Debug: Available interface: wl_shm(4) version 1
[2024:03:13:15:42:28]: Debug: Available interface: wl_output(5) version 4
[2024:03:13:15:42:28]: Info: Found interface: wl_output(5) version 4
[2024:03:13:15:42:28]: Debug: Available interface: zxdg_output_manager_v1(6) version 3
[2024:03:13:15:42:28]: Info: Found interface: zxdg_output_manager_v1(6) version 3
[2024:03:13:15:42:28]: Debug: Available interface: wl_data_device_manager(7) version 3
[2024:03:13:15:42:28]: Debug: Available interface: zwp_primary_selection_device_manager_v1(8) version 1
[2024:03:13:15:42:28]: Debug: Available interface: wl_subcompositor(9) version 1
[2024:03:13:15:42:28]: Debug: Available interface: xdg_wm_base(10) version 6
[2024:03:13:15:42:28]: Debug: Available interface: gtk_shell1(11) version 5
[2024:03:13:15:42:28]: Debug: Available interface: wp_viewporter(12) version 1
[2024:03:13:15:42:28]: Debug: Available interface: wp_fractional_scale_manager_v1(13) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zwp_pointer_gestures_v1(14) version 3
[2024:03:13:15:42:28]: Debug: Available interface: zwp_tablet_manager_v2(15) version 1
[2024:03:13:15:42:28]: Debug: Available interface: wl_seat(16) version 8
[2024:03:13:15:42:28]: Debug: Available interface: zwp_relative_pointer_manager_v1(17) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zwp_pointer_constraints_v1(18) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zxdg_exporter_v2(19) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zxdg_importer_v2(20) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zxdg_exporter_v1(21) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zxdg_importer_v1(22) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zwp_linux_dmabuf_v1(23) version 4
[2024:03:13:15:42:28]: Debug: Available interface: wp_single_pixel_buffer_manager_v1(24) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zwp_keyboard_shortcuts_inhibit_manager_v1(25) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zwp_text_input_manager_v3(26) version 1
[2024:03:13:15:42:28]: Debug: Available interface: wp_presentation(27) version 1
[2024:03:13:15:42:28]: Debug: Available interface: xdg_activation_v1(28) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zwp_idle_inhibit_manager_v1(29) version 1
[2024:03:13:15:42:28]: Warning: Missing Wayland wire for wlr-export-dmabuf
[2024:03:13:15:42:28]: Debug: Opening render node: /dev/dri/renderD128
[2024:03:13:15:42:28]: Info: Found display [wayland-0]
[2024:03:13:15:42:28]: Info: Found display [wayland-0]
[2024:03:13:15:42:28]: Debug: Available interface: wl_compositor(1) version 5
[2024:03:13:15:42:28]: Debug: Available interface: wl_eglstream_display(2) version 1
[2024:03:13:15:42:28]: Debug: Available interface: wl_drm(3) version 2
[2024:03:13:15:42:28]: Debug: Available interface: wl_shm(4) version 1
[2024:03:13:15:42:28]: Debug: Available interface: wl_output(5) version 4
[2024:03:13:15:42:28]: Info: Found interface: wl_output(5) version 4
[2024:03:13:15:42:28]: Debug: Available interface: zxdg_output_manager_v1(6) version 3
[2024:03:13:15:42:28]: Info: Found interface: zxdg_output_manager_v1(6) version 3
[2024:03:13:15:42:28]: Debug: Available interface: wl_data_device_manager(7) version 3
[2024:03:13:15:42:28]: Debug: Available interface: zwp_primary_selection_device_manager_v1(8) version 1
[2024:03:13:15:42:28]: Debug: Available interface: wl_subcompositor(9) version 1
[2024:03:13:15:42:28]: Debug: Available interface: xdg_wm_base(10) version 6
[2024:03:13:15:42:28]: Debug: Available interface: gtk_shell1(11) version 5
[2024:03:13:15:42:28]: Debug: Available interface: wp_viewporter(12) version 1
[2024:03:13:15:42:28]: Debug: Available interface: wp_fractional_scale_manager_v1(13) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zwp_pointer_gestures_v1(14) version 3
[2024:03:13:15:42:28]: Debug: Available interface: zwp_tablet_manager_v2(15) version 1
[2024:03:13:15:42:28]: Debug: Available interface: wl_seat(16) version 8
[2024:03:13:15:42:28]: Debug: Available interface: zwp_relative_pointer_manager_v1(17) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zwp_pointer_constraints_v1(18) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zxdg_exporter_v2(19) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zxdg_importer_v2(20) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zxdg_exporter_v1(21) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zxdg_importer_v1(22) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zwp_linux_dmabuf_v1(23) version 4
[2024:03:13:15:42:28]: Debug: Available interface: wp_single_pixel_buffer_manager_v1(24) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zwp_keyboard_shortcuts_inhibit_manager_v1(25) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zwp_text_input_manager_v3(26) version 1
[2024:03:13:15:42:28]: Debug: Available interface: wp_presentation(27) version 1
[2024:03:13:15:42:28]: Debug: Available interface: xdg_activation_v1(28) version 1
[2024:03:13:15:42:28]: Debug: Available interface: zwp_idle_inhibit_manager_v1(29) version 1
[2024:03:13:15:42:28]: Info: Resolution: 1280x720
[2024:03:13:15:42:28]: Info: Offset: 0x0
[2024:03:13:15:42:28]: Info: Logical size: 1280x720
[2024:03:13:15:42:28]: Info: Name: Meta-0
[2024:03:13:15:42:28]: Info: Found monitor: MetaVendor
[2024:03:13:15:42:28]: Info: -------- Start of KMS monitor list --------
[2024:03:13:15:42:28]: Error: Unknown Monitor connector type [Meta]: Please report this to the GitHub issue tracker
[2024:03:13:15:42:28]: Verbose: Reduced to name: Meta-0: 1
[2024:03:13:15:42:28]: Info: --------- End of KMS monitor list ---------
[2024:03:13:15:42:28]: Debug: Monitor description
[2024:03:13:15:42:28]: Debug: Resolution: 0x0
[2024:03:13:15:42:28]: Debug: Offset: 0x0
[2024:03:13:15:42:28]: Debug: Desktop resolution: 0x0
[2024:03:13:15:42:28]: Error: Unable to initialize capture method
[2024:03:13:15:42:28]: Error: Platform failed to initialize
[2024:03:13:15:42:28]: Info: // Testing for available encoders, this may generate errors. You can safely ignore those errors. //
[2024:03:13:15:42:28]: Info: Trying encoder [nvenc]

(sunshine:7678): Gtk-CRITICAL **: 15:42:28.529: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed
[2024:03:13:15:42:28]: Debug: System tray loop
[2024:03:13:15:42:28]: Info: Encoder [nvenc] failed
[2024:03:13:15:42:28]: Info: Trying encoder [vaapi]
[2024:03:13:15:42:29]: Info: Encoder [vaapi] failed
[2024:03:13:15:42:29]: Info: Trying encoder [software]
[2024:03:13:15:42:29]: Info: Encoder [software] failed
[2024:03:13:15:42:29]: Fatal: Unable to find display or encoder during startup.
[2024:03:13:15:42:29]: Fatal: Please check that a display is connected and powered on.
[2024:03:13:15:42:29]: Error: Video failed to find working encoder
```