Can't assign display after update. (Display ID always grabs the same monitor using KMS)

[bunnypig]

Is there an existing issue for this?

• I have searched the existing issues

Is your issue described in the documentation?

• I have read the documentation

Is your issue present in the latest beta/pre-release?

This issue is present in the latest pre-release

Describe the Bug

I have a dummy plug DP that I use for streaming. I updated from version 2026.721.xxxx to 2026.723.125751 last night and now Sunshine always streams the wrong monitor. It chooses the HDMI output no matter what display ID I put in.

If I swap to XDG Portal sunshine will use the specified display output but I get weird artifacts using that. I've tried different encoders and different screen capture methods but none works properly for me now.

I've also tried different display ID "names". All from numeric (if I use "0" or "1" it will stream display "0" either way but if I specify "2" I get a warning in Moonlight saying it can't find a display so it seems to see the IDs at least) and names like "DP-4" and "HDMI-A-3" but none works.

Expected Behavior

If a specified display ID is set, sunshine should stream that display.

Additional Context

No response

Host Operating System

Linux

Operating System Version

Operating System: Fedora Linux 44 KDE Plasma Version: 6.7.3 KDE Frameworks Version: 6.28.0 Qt Version: 6.11.1 Kernel Version: 7.1.4-204.fc44.x86_64 (64-bit)

Architecture

amd64/x86_64

Package

Linux - Fedora Copr

GPU Type

NVIDIA

GPU Model

3080 LHR

GPU Driver/Mesa Version

610.43.03

Capture Method

KMS (Linux)

Apps

Log output

[2026-07-24 15:35:43.370]: Info: Sunshine version: 2026.723.125751 commit: c6bef3397d59fbe189fc9ff0c3c3cd3c3040d374
[2026-07-24 15:35:43.371]: Info: Package Publisher: LizardByte
[2026-07-24 15:35:43.371]: Info: Publisher Website: https://app.lizardbyte.dev
[2026-07-24 15:35:43.371]: Info: Get support: https://app.lizardbyte.dev/support
[2026-07-24 15:35:43.371]: Info: config: 'capture' = kms
[2026-07-24 15:35:43.371]: Info: config: 'csrf_allowed_origins' = [redacted]
[2026-07-24 15:35:43.371]: Info: config: 'encoder' = nvenc
[2026-07-24 15:35:43.371]: Info: config: 'min_threads' = 4
[2026-07-24 15:35:43.371]: Info: config: 'minimum_fps_target' = 120
[2026-07-24 15:35:43.371]: Info: config: 'origin_web_ui_allowed' = wan
[2026-07-24 15:35:43.371]: Info: config: 'output_name' = 0
[2026-07-24 15:35:43.371]: Info: config: 'sunshine_name' = Bunny's PC
[2026-07-24 15:35:43.371]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:43.371]: Info: Dropped DRM master for /dev/dri/card1
[2026-07-24 15:35:43.371]: Info: /dev/dri/card1 -> i915
[2026-07-24 15:35:43.371]: Info: [wayland] Found display [wayland-0]
[2026-07-24 15:35:43.371]: Info: [wayland] Found display [wayland-0]
[2026-07-24 15:35:43.371]: Info: [wayland] Found interface: zxdg_output_manager_v1(33) version 3
[2026-07-24 15:35:43.371]: Info: [wayland] Found interface: zwp_linux_dmabuf_v1(60) version 5
[2026-07-24 15:35:43.371]: Info: [wayland] Found interface: wl_output(66) version 4
[2026-07-24 15:35:43.371]: Info: [wayland] Found interface: wl_output(67) version 4
[2026-07-24 15:35:43.372]: Info: [wayland] Resolution: 1920x1080
[2026-07-24 15:35:43.372]: Info: [wayland] Resolution: 1920x1080
[2026-07-24 15:35:43.372]: Info: [wayland] Offset: 0x0
[2026-07-24 15:35:43.372]: Info: [wayland] Logical size: 1920x1080
[2026-07-24 15:35:43.372]: Info: [wayland] Name: HDMI-A-3
[2026-07-24 15:35:43.372]: Info: [wayland] Found monitor: Philips Consumer Electronics Company Philips FTV
[2026-07-24 15:35:43.372]: Info: [wayland] Offset: 1920x909
[2026-07-24 15:35:43.372]: Info: [wayland] Logical size: 1920x1080
[2026-07-24 15:35:43.372]: Info: [wayland] Name: DP-4
[2026-07-24 15:35:43.372]: Info: [wayland] Found monitor: Telecom Technology Centre Co. Ltd. DP-4-DP1080P60
[2026-07-24 15:35:43.372]: Info: -------- Start of KMS monitor list --------
[2026-07-24 15:35:43.372]: Warning: Mismatch on expected Resolution compared to actual resolution: 0x0 vs 1920x1080
[2026-07-24 15:35:43.372]: Info: Monitor 0 is DP-4: Telecom Technology Centre Co. Ltd. DP-4-DP1080P60
[2026-07-24 15:35:43.372]: Info: --------- End of KMS monitor list ---------
[2026-07-24 15:35:43.485]: Info: Trying encoder [nvenc]
[2026-07-24 15:35:43.485]: Info: Screencasting with KMS
[2026-07-24 15:35:43.486]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:43.486]: Info: Found monitor for DRM screencasting
[2026-07-24 15:35:43.486]: Info: Found connector ID [823]
[2026-07-24 15:35:43.486]: Info: Found cursor plane [194]
[2026-07-24 15:35:43.486]: Info: Creating encoder [h264_nvenc]
[2026-07-24 15:35:43.486]: Info: Color coding: SDR (Rec. 601)
[2026-07-24 15:35:43.486]: Info: Color depth: 8-bit
[2026-07-24 15:35:43.486]: Info: Color range: JPEG
[2026-07-24 15:35:43.513]: Info: EGL: context priority set to HIGH
[2026-07-24 15:35:43.613]: Info: Streaming bitrate is 1000000
[2026-07-24 15:35:43.659]: Info: Creating encoder [hevc_nvenc]
[2026-07-24 15:35:43.659]: Info: Color coding: SDR (Rec. 601)
[2026-07-24 15:35:43.659]: Info: Color depth: 8-bit
[2026-07-24 15:35:43.659]: Info: Color range: JPEG
[2026-07-24 15:35:43.660]: Info: EGL: context priority set to HIGH
[2026-07-24 15:35:43.662]: Info: Streaming bitrate is 1000000
[2026-07-24 15:35:43.690]: Info: Creating encoder [av1_nvenc]
[2026-07-24 15:35:43.690]: Info: Color coding: SDR (Rec. 601)
[2026-07-24 15:35:43.690]: Info: Color depth: 8-bit
[2026-07-24 15:35:43.690]: Info: Color range: JPEG
[2026-07-24 15:35:43.691]: Info: EGL: context priority set to HIGH
[2026-07-24 15:35:43.692]: Info: Streaming bitrate is 1000000
[2026-07-24 15:35:43.697]: Warning: [av1_nvenc @ 0x38ce9040] Codec not supported
[2026-07-24 15:35:43.697]: Error: [av1_nvenc @ 0x38ce9040] Provided device doesn't support required NVENC features
[2026-07-24 15:35:43.699]: Error: Could not open codec [av1_nvenc]: Function not implemented
[2026-07-24 15:35:43.700]: Info: Screencasting with KMS
[2026-07-24 15:35:43.700]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:43.700]: Info: Found monitor for DRM screencasting
[2026-07-24 15:35:43.700]: Info: Found connector ID [823]
[2026-07-24 15:35:43.700]: Info: Found cursor plane [194]
[2026-07-24 15:35:43.700]: Info: Creating encoder [h264_nvenc]
[2026-07-24 15:35:43.700]: Info: Color coding: SDR (Rec. 601)
[2026-07-24 15:35:43.700]: Info: Color depth: 8-bit
[2026-07-24 15:35:43.700]: Info: Color range: JPEG
[2026-07-24 15:35:43.700]: Info: EGL: context priority set to HIGH
[2026-07-24 15:35:43.702]: Info: Streaming bitrate is 1000000
[2026-07-24 15:35:43.736]: Info: Screencasting with KMS
[2026-07-24 15:35:43.736]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:43.736]: Info: Found monitor for DRM screencasting
[2026-07-24 15:35:43.736]: Info: Found connector ID [823]
[2026-07-24 15:35:43.736]: Info: Found cursor plane [194]
[2026-07-24 15:35:43.736]: Info: Creating encoder [hevc_nvenc]
[2026-07-24 15:35:43.736]: Info: Color coding: SDR (Rec. 601)
[2026-07-24 15:35:43.736]: Info: Color depth: 8-bit
[2026-07-24 15:35:43.736]: Info: Color range: JPEG
[2026-07-24 15:35:43.736]: Info: EGL: context priority set to HIGH
[2026-07-24 15:35:43.738]: Info: Streaming bitrate is 1000000
[2026-07-24 15:35:43.769]: Info: Screencasting with KMS
[2026-07-24 15:35:43.769]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:43.769]: Info: Found monitor for DRM screencasting
[2026-07-24 15:35:43.769]: Info: Found connector ID [823]
[2026-07-24 15:35:43.769]: Info: Found cursor plane [194]
[2026-07-24 15:35:43.769]: Info: Creating encoder [hevc_nvenc]
[2026-07-24 15:35:43.769]: Info: Color coding: SDR (Rec. 709)
[2026-07-24 15:35:43.769]: Info: Color depth: 10-bit
[2026-07-24 15:35:43.769]: Info: Color range: JPEG
[2026-07-24 15:35:43.770]: Info: EGL: context priority set to HIGH
[2026-07-24 15:35:43.771]: Info: Streaming bitrate is 1000000
[2026-07-24 15:35:43.801]: Info: Screencasting with KMS
[2026-07-24 15:35:43.801]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:43.801]: Info: Found monitor for DRM screencasting
[2026-07-24 15:35:43.801]: Info: Found connector ID [823]
[2026-07-24 15:35:43.801]: Info: Found cursor plane [194]
[2026-07-24 15:35:43.801]: Info: Creating encoder [hevc_nvenc]
[2026-07-24 15:35:43.801]: Info: Color coding: SDR (Rec. 709)
[2026-07-24 15:35:43.801]: Info: Color depth: 10-bit
[2026-07-24 15:35:43.801]: Info: Color range: JPEG
[2026-07-24 15:35:43.802]: Info: EGL: context priority set to HIGH
[2026-07-24 15:35:43.803]: Info: Streaming bitrate is 1000000
[2026-07-24 15:35:43.838]: Info: Screencasting with KMS
[2026-07-24 15:35:43.838]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:43.838]: Info: Found monitor for DRM screencasting
[2026-07-24 15:35:43.838]: Info: Found connector ID [823]
[2026-07-24 15:35:43.838]: Info: Found cursor plane [194]
[2026-07-24 15:35:43.838]: Info: Screencasting with KMS
[2026-07-24 15:35:43.838]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:43.838]: Info: Found monitor for DRM screencasting
[2026-07-24 15:35:43.838]: Info: Found connector ID [823]
[2026-07-24 15:35:43.838]: Info: Found cursor plane [194]
[2026-07-24 15:35:43.838]: Info: Screencasting with KMS
[2026-07-24 15:35:43.838]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:43.838]: Info: Found monitor for DRM screencasting
[2026-07-24 15:35:43.838]: Info: Found connector ID [823]
[2026-07-24 15:35:43.838]: Info: Found cursor plane [194]
[2026-07-24 15:35:43.838]: Info: // Testing for available encoders, this may generate errors. You can safely ignore those errors. //
[2026-07-24 15:35:43.838]: Info: 
[2026-07-24 15:35:43.838]: Info: // Ignore any errors mentioned above, they are not relevant. //
[2026-07-24 15:35:43.838]: Info: 
[2026-07-24 15:35:43.838]: Info: Found H.264 encoder: h264_nvenc [nvenc]
[2026-07-24 15:35:43.838]: Info: Found HEVC encoder: hevc_nvenc [nvenc]
[2026-07-24 15:35:43.838]: Info: Starting system tray
[2026-07-24 15:35:43.841]: Info: Configuration UI available at [https://localhost:47990]
[2026-07-24 15:35:43.842]: Info: Adding avahi service fedora
[2026-07-24 15:35:43.888]: Info: System tray created
[2026-07-24 15:35:43.888]: Info: Starting main loop
[2026-07-24 15:35:44.598]: Info: Avahi service fedora successfully established.
[2026-07-24 15:35:47.073]: Info: Display device configuration is disabled. Reverting any active display device configuration.
[2026-07-24 15:35:47.073]: Info: Trying encoder [nvenc]
[2026-07-24 15:35:47.073]: Info: Screencasting with KMS
[2026-07-24 15:35:47.073]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:47.073]: Info: Found monitor for DRM screencasting
[2026-07-24 15:35:47.073]: Info: Found connector ID [823]
[2026-07-24 15:35:47.073]: Info: Found cursor plane [194]
[2026-07-24 15:35:47.073]: Info: Creating encoder [h264_nvenc]
[2026-07-24 15:35:47.073]: Info: Color coding: SDR (Rec. 601)
[2026-07-24 15:35:47.073]: Info: Color depth: 8-bit
[2026-07-24 15:35:47.073]: Info: Color range: JPEG
[2026-07-24 15:35:47.074]: Info: EGL: context priority set to HIGH
[2026-07-24 15:35:47.101]: Info: Streaming bitrate is 1000000
[2026-07-24 15:35:47.133]: Info: Creating encoder [hevc_nvenc]
[2026-07-24 15:35:47.133]: Info: Color coding: SDR (Rec. 601)
[2026-07-24 15:35:47.133]: Info: Color depth: 8-bit
[2026-07-24 15:35:47.133]: Info: Color range: JPEG
[2026-07-24 15:35:47.134]: Info: EGL: context priority set to HIGH
[2026-07-24 15:35:47.135]: Info: Streaming bitrate is 1000000
[2026-07-24 15:35:47.163]: Info: Creating encoder [av1_nvenc]
[2026-07-24 15:35:47.163]: Info: Color coding: SDR (Rec. 601)
[2026-07-24 15:35:47.163]: Info: Color depth: 8-bit
[2026-07-24 15:35:47.163]: Info: Color range: JPEG
[2026-07-24 15:35:47.164]: Info: EGL: context priority set to HIGH
[2026-07-24 15:35:47.165]: Info: Streaming bitrate is 1000000
[2026-07-24 15:35:47.170]: Warning: [av1_nvenc @ 0x7f8f90401140] Codec not supported
[2026-07-24 15:35:47.170]: Error: [av1_nvenc @ 0x7f8f90401140] Provided device doesn't support required NVENC features
[2026-07-24 15:35:47.172]: Error: Could not open codec [av1_nvenc]: Function not implemented
[2026-07-24 15:35:47.172]: Info: Screencasting with KMS
[2026-07-24 15:35:47.172]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:47.172]: Info: Found monitor for DRM screencasting
[2026-07-24 15:35:47.172]: Info: Found connector ID [823]
[2026-07-24 15:35:47.172]: Info: Found cursor plane [194]
[2026-07-24 15:35:47.172]: Info: Creating encoder [h264_nvenc]
[2026-07-24 15:35:47.172]: Info: Color coding: SDR (Rec. 601)
[2026-07-24 15:35:47.172]: Info: Color depth: 8-bit
[2026-07-24 15:35:47.172]: Info: Color range: JPEG
[2026-07-24 15:35:47.173]: Info: EGL: context priority set to HIGH
[2026-07-24 15:35:47.174]: Info: Streaming bitrate is 1000000
[2026-07-24 15:35:47.206]: Info: Screencasting with KMS
[2026-07-24 15:35:47.206]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:47.206]: Info: Found monitor for DRM screencasting
[2026-07-24 15:35:47.206]: Info: Found connector ID [823]
[2026-07-24 15:35:47.206]: Info: Found cursor plane [194]
[2026-07-24 15:35:47.206]: Info: Creating encoder [hevc_nvenc]
[2026-07-24 15:35:47.206]: Info: Color coding: SDR (Rec. 601)
[2026-07-24 15:35:47.206]: Info: Color depth: 8-bit
[2026-07-24 15:35:47.206]: Info: Color range: JPEG
[2026-07-24 15:35:47.207]: Info: EGL: context priority set to HIGH
[2026-07-24 15:35:47.208]: Info: Streaming bitrate is 1000000
[2026-07-24 15:35:47.238]: Info: Screencasting with KMS
[2026-07-24 15:35:47.238]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:47.238]: Info: Found monitor for DRM screencasting
[2026-07-24 15:35:47.238]: Info: Found connector ID [823]
[2026-07-24 15:35:47.238]: Info: Found cursor plane [194]
[2026-07-24 15:35:47.238]: Info: Creating encoder [hevc_nvenc]
[2026-07-24 15:35:47.238]: Info: Color coding: SDR (Rec. 709)
[2026-07-24 15:35:47.238]: Info: Color depth: 10-bit
[2026-07-24 15:35:47.238]: Info: Color range: JPEG
[2026-07-24 15:35:47.239]: Info: EGL: context priority set to HIGH
[2026-07-24 15:35:47.241]: Info: Streaming bitrate is 1000000
[2026-07-24 15:35:47.271]: Info: Screencasting with KMS
[2026-07-24 15:35:47.271]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:47.271]: Info: Found monitor for DRM screencasting
[2026-07-24 15:35:47.271]: Info: Found connector ID [823]
[2026-07-24 15:35:47.271]: Info: Found cursor plane [194]
[2026-07-24 15:35:47.271]: Info: Creating encoder [hevc_nvenc]
[2026-07-24 15:35:47.271]: Info: Color coding: SDR (Rec. 709)
[2026-07-24 15:35:47.271]: Info: Color depth: 10-bit
[2026-07-24 15:35:47.271]: Info: Color range: JPEG
[2026-07-24 15:35:47.272]: Info: EGL: context priority set to HIGH
[2026-07-24 15:35:47.273]: Info: Streaming bitrate is 1000000
[2026-07-24 15:35:47.307]: Info: Screencasting with KMS
[2026-07-24 15:35:47.307]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:47.307]: Info: Found monitor for DRM screencasting
[2026-07-24 15:35:47.307]: Info: Found connector ID [823]
[2026-07-24 15:35:47.307]: Info: Found cursor plane [194]
[2026-07-24 15:35:47.307]: Info: Screencasting with KMS
[2026-07-24 15:35:47.307]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:47.307]: Info: Found monitor for DRM screencasting
[2026-07-24 15:35:47.307]: Info: Found connector ID [823]
[2026-07-24 15:35:47.307]: Info: Found cursor plane [194]
[2026-07-24 15:35:47.307]: Info: Screencasting with KMS
[2026-07-24 15:35:47.307]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:47.307]: Info: Found monitor for DRM screencasting
[2026-07-24 15:35:47.307]: Info: Found connector ID [823]
[2026-07-24 15:35:47.307]: Info: Found cursor plane [194]
[2026-07-24 15:35:47.308]: Info: // Testing for available encoders, this may generate errors. You can safely ignore those errors. //
[2026-07-24 15:35:47.308]: Info: 
[2026-07-24 15:35:47.308]: Info: // Ignore any errors mentioned above, they are not relevant. //
[2026-07-24 15:35:47.308]: Info: 
[2026-07-24 15:35:47.308]: Info: Found H.264 encoder: h264_nvenc [nvenc]
[2026-07-24 15:35:47.308]: Info: Found HEVC encoder: hevc_nvenc [nvenc]
[2026-07-24 15:35:47.308]: Info: Executing Do Cmd: [kscreen-doctor output.DP-4.mode.1920x1080@60]
[2026-07-24 15:35:47.334]: Info: Executing [Desktop]
[2026-07-24 15:35:47.406]: Info: New streaming session started [active sessions: 1]
[2026-07-24 15:35:47.457]: Info: CLIENT CONNECTED
[2026-07-24 15:35:47.504]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:47.504]: Info: Dropped DRM master for /dev/dri/card1
[2026-07-24 15:35:47.504]: Info: /dev/dri/card1 -> i915
[2026-07-24 15:35:47.504]: Warning: Using NVENC with your display connected to a different GPU may not work properly!
[2026-07-24 15:35:47.504]: Info: [wayland] Found display [wayland-0]
[2026-07-24 15:35:47.504]: Info: [wayland] Found interface: zxdg_output_manager_v1(33) version 3
[2026-07-24 15:35:47.504]: Info: [wayland] Found interface: zwp_linux_dmabuf_v1(60) version 5
[2026-07-24 15:35:47.504]: Info: [wayland] Found interface: wl_output(66) version 4
[2026-07-24 15:35:47.504]: Info: [wayland] Found interface: wl_output(67) version 4
[2026-07-24 15:35:47.505]: Info: [wayland] Resolution: 1920x1080
[2026-07-24 15:35:47.505]: Info: [wayland] Resolution: 1920x1080
[2026-07-24 15:35:47.505]: Info: [wayland] Offset: 0x0
[2026-07-24 15:35:47.505]: Info: [wayland] Logical size: 1920x1080
[2026-07-24 15:35:47.505]: Info: [wayland] Name: HDMI-A-3
[2026-07-24 15:35:47.505]: Info: [wayland] Found monitor: Philips Consumer Electronics Company Philips FTV
[2026-07-24 15:35:47.505]: Info: [wayland] Offset: 1920x909
[2026-07-24 15:35:47.505]: Info: [wayland] Logical size: 1920x1080
[2026-07-24 15:35:47.505]: Info: [wayland] Name: DP-4
[2026-07-24 15:35:47.505]: Info: [wayland] Found monitor: Telecom Technology Centre Co. Ltd. DP-4-DP1080P60
[2026-07-24 15:35:47.505]: Info: -------- Start of KMS monitor list --------
[2026-07-24 15:35:47.505]: Warning: Mismatch on expected Resolution compared to actual resolution: 0x0 vs 1920x1080
[2026-07-24 15:35:47.505]: Info: Monitor 0 is DP-4: Telecom Technology Centre Co. Ltd. DP-4-DP1080P60
[2026-07-24 15:35:47.505]: Info: --------- End of KMS monitor list ---------
[2026-07-24 15:35:47.505]: Info: Screencasting with KMS
[2026-07-24 15:35:47.505]: Info: /dev/dri/card2 -> nvidia-drm
[2026-07-24 15:35:47.505]: Info: Found monitor for DRM screencasting
[2026-07-24 15:35:47.505]: Info: Found connector ID [823]
[2026-07-24 15:35:47.505]: Info: Found cursor plane [194]
[2026-07-24 15:35:47.506]: Info: Creating encoder [hevc_nvenc]
[2026-07-24 15:35:47.506]: Info: Color coding: SDR (Rec. 709)
[2026-07-24 15:35:47.506]: Info: Color depth: 8-bit
[2026-07-24 15:35:47.506]: Info: Color range: MPEG
[2026-07-24 15:35:47.507]: Info: EGL: context priority set to HIGH
[2026-07-24 15:35:47.541]: Info: Streaming bitrate is 34988000
[2026-07-24 15:35:47.558]: Info: Minimum FPS target set to ~120fps (8.33333ms)
[2026-07-24 15:35:47.891]: Info: Setting default sink to: [sink-sunshine-stereo]
[2026-07-24 15:35:47.891]: Info: Found default monitor by name: sink-sunshine-stereo.monitor
[2026-07-24 15:35:47.911]: Info: Opus initialized: 48 kHz, 2 channels, 512 kbps (total), LOWDELAY
[2026-07-24 15:36:01.878]: Info: CLIENT DISCONNECTED
[2026-07-24 15:36:01.881]: Info: Setting default sink to: [alsa_output.usb-SteelSeries_Arctis_Pro_Wireless-00.stereo-game]

Online logs

No response

[Kishi85]

According to your logs Sunshine only sees one monitor (DP-4) for KMS

[bunnypig]

I forgot to add that I'm using an HDMI TV as I'm streaming from the DP dummy plug. So HDMI-A-3 is just a TV that I don't want to use, hence why I want to choose a display ID to stream from.

What does that mean? It haven't happened before this update and I use 2 (4 displays in total but 2 of them are disconnected while I stream, 2 display port displays) display while streaming and I can see both display in Linux while streaming, so sunshine doesn't see all displays?

But why is it choosing the HDMI TV output if it can only detect the Display Port output? No matter what I do I can't get it to choose any other display other than the TV, even if I make the dummy plug the primary display.

[Kishi85]

Have you tried using DP-4 as Display Id ? This was recently changed in #5423 to be consistent between Linux capture methods.

Also KMS is only listing DP-4 and not HDMI-A-3 for capture in your logs, which makes it using the latter seem rather weird.

[bunnypig]

As I mentioned, I have tried all kinds of different names and numerical values but none seems to work. The only thing I haven't tried is the DP-4-DP1080P60 name but I don't think that is what it's looking for. But yeah, whatever I put in it either just tells Moonlight that no display is connected (if I put in for example "2" or "DP-1" since none of them exists) or it grabs HDMI-A-3. It never touches DP-4.

[Kishi85]

Do you have multiple GPU's (or dGPU+iGPU) by any chance? Your log also shows the following warning:

[2026-07-24 15:35:47.504]: Warning: Using NVENC with your display connected to a different GPU may not work properly!

[bunnypig]

I do have both a iGPU and dGPU in my computer although the integrated one has no displays connected to it and I have set so everything should use the dedicated graphics card overall.

But yes, multiple gpus but all monitors are connected in the dGPU so I don't know why it's looking at the iGPU if that's the case?

[Kishi85]

I'm unsure why it would be using the wrong one as well. It should be unrelated to #5423 as that just extends the existing matching system by allowing to use the connector name (also there is no indication in your logs that mapping fails as that would cause a warning when falling back to the first display).

You can try to force the correct GPU using https://docs.lizardbyte.dev/projects/sunshine/master/md_docs_2configuration.html#adapter_name and see if that helps.

[bunnypig]

I tried using a specified adapter but didn't work, same issue. Is there anything I can do to make sure nothing has happened to KMS? Or if there is a setting that is broken after the update?

I don't know too much about Linux but can I check to see if KMS can see all my monitors? Kscreen-doctor shows all displays correctly.

[Kishi85]

Could you try with https://github.com/LizardByte/Sunshine/releases#release-v2026.726.710 and post a new log?
Would be ideal if you could set log level to Debug and post it to a gist if the whole thing gets too long.

[catsgomoo]

Also having this issue in 2026.726.710. I use a multigpu set up (5 monitors and 1 virtual display). Used to work fine but now always chooses the same display no matter how I type the ID or what GPU I choose. Here is my logs.

log.txt

[basvd]

I have the same or a similar bug. Also using version 2026.726.710. Capture method is KMS. OS is based on Fedora 44.

My configuration output_name = 1 is index-based, however, in the logs I see Mapped 'DP-6' to kmsgrab monitor index 0. For some reason this connector name is chosen and then resolved to the wrong index, which defeats my index-based configuration.

By enabling debug logs, I have found that the KMS displays that Sunshine ends up finding are DP-6 and DP-4 (Final KMS display_names return list: DP-6 DP-4). When I set output_name = DP-4, the correct screen is selected for streaming. However, I would expect (based on #5423) that the index-based functionality still works.

It's also noteworthy that according to the [wayland] logs, my display connectors are DP-1 and DP-3. I do not know what the difference is with the other two, or why Sunshine ends up using those. Perhaps this is normal though. Until this bug I was just relying on the index-based configurtion, so I'm not sure.

Edit I noticed the logs others posted before me do not havethe "Mapped * to kmsgrab monitor index" line, and their KMS monitor list also isn't empty like mine. So there might be a different root cause.

Logs

[2026-08-09 00:14:27.145]: Debug: Start capturing Video
[2026-08-09 00:14:27.145]: Info: Dropped DRM master for /dev/dri/card0
[2026-08-09 00:14:27.145]: Info: /dev/dri/card0 -> amdgpu
[2026-08-09 00:14:27.145]: Debug: Opening render node: /dev/dri/renderD129
[2026-08-09 00:14:27.145]: Info: /dev/dri/card1 -> amdgpu
[2026-08-09 00:14:27.145]: Debug: Opening render node: /dev/dri/renderD128
[2026-08-09 00:14:27.145]: Debug: crtc(0, 0)
[2026-08-09 00:14:27.145]: Debug: crtc(1920, 1080)
[2026-08-09 00:14:27.145]: Debug: plane->possible_crtcs == 2
[2026-08-09 00:14:27.145]: Debug: x(0) y(0) crtc_x(0) crtc_y(0) crtc_id(473)
[2026-08-09 00:14:27.145]: Debug: Resolution: 1920x1080: Pitch: 7680: Offset: 0
[2026-08-09 00:14:27.145]: Debug: Format [XR24, AR24, RA24, XR30, XB30, AR30, AB30, XR48, XB48, AR48, AB48, XB24, AB24, RG16, NV12, P010, XR4H, AR4H, XB4H, AB4H]
[2026-08-09 00:14:27.145]: Debug: crtc(0, 0)
[2026-08-09 00:14:27.145]: Debug: crtc(2560, 1440)
[2026-08-09 00:14:27.145]: Debug: plane->possible_crtcs == 1
[2026-08-09 00:14:27.145]: Debug: x(0) y(0) crtc_x(0) crtc_y(0) crtc_id(469)
[2026-08-09 00:14:27.145]: Debug: Resolution: 2560x1440: Pitch: 10240: Offset: 0
[2026-08-09 00:14:27.145]: Debug: Format [XR24, AR24, RA24, XR30, XB30, AR30, AB30, XR48, XB48, AR48, AB48, XB24, AB24, RG16, NV12, P010, XR4H, AR4H, XB4H, AB4H]
[2026-08-09 00:14:27.146]: Info: [wayland] Found display [wayland-0]
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wl_compositor(1) version 6
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wl_shm(2) version 2
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wl_output(3) version 4
[2026-08-09 00:14:27.146]: Info: [wayland] Found interface: wl_output(3) version 4
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: zxdg_output_manager_v1(5) version 3
[2026-08-09 00:14:27.146]: Info: [wayland] Found interface: zxdg_output_manager_v1(5) version 3
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wl_data_device_manager(6) version 3
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: xdg_toplevel_drag_manager_v1(7) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: zwp_primary_selection_device_manager_v1(8) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wl_subcompositor(9) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: xdg_wm_base(10) version 7
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: gtk_shell1(11) version 7
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wp_viewporter(12) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wp_fractional_scale_manager_v1(13) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: zwp_pointer_gestures_v1(14) version 3
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: zwp_tablet_manager_v2(15) version 2
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wp_pointer_warp_v1(16) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wl_seat(17) version 10
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: zwp_relative_pointer_manager_v1(18) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: zwp_pointer_constraints_v1(19) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: zxdg_exporter_v2(20) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: zxdg_importer_v2(21) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: zxdg_exporter_v1(22) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: zxdg_importer_v1(23) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: zwp_linux_dmabuf_v1(24) version 5
[2026-08-09 00:14:27.146]: Info: [wayland] Found interface: zwp_linux_dmabuf_v1(24) version 5
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wp_single_pixel_buffer_manager_v1(25) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: zwp_keyboard_shortcuts_inhibit_manager_v1(26) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: zwp_text_input_manager_v3(27) version 2
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wp_presentation(28) version 2
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: xdg_activation_v1(29) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: zwp_idle_inhibit_manager_v1(30) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wp_linux_drm_syncobj_manager_v1(31) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: xdg_wm_dialog_v1(32) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wp_color_manager_v1(33) version 2
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: xdg_system_bell_v1(34) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: xdg_toplevel_tag_manager_v1(35) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wp_drm_lease_device_v1(36) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wp_drm_lease_device_v1(37) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wp_commit_timing_manager_v1(38) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wp_fifo_manager_v1(39) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wp_cursor_shape_manager_v1(40) version 2
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wp_color_representation_manager_v1(41) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wl_fixes(42) version 1
[2026-08-09 00:14:27.146]: Debug: [wayland] Available interface: wl_output(45) version 4
[2026-08-09 00:14:27.146]: Info: [wayland] Found interface: wl_output(45) version 4
[2026-08-09 00:14:27.146]: Info: [wayland] Resolution: 2560x1440
[2026-08-09 00:14:27.146]: Info: [wayland] Resolution: 1920x1080
[2026-08-09 00:14:27.146]: Info: [wayland] Offset: 0x0
[2026-08-09 00:14:27.146]: Info: [wayland] Logical size: 2560x1440
[2026-08-09 00:14:27.146]: Info: [wayland] Name: DP-1
[2026-08-09 00:14:27.146]: Info: [wayland] Found monitor: Dell Inc. 27"
[2026-08-09 00:14:27.146]: Info: [wayland] Offset: 2560x0
[2026-08-09 00:14:27.146]: Info: [wayland] Logical size: 1080x1920
[2026-08-09 00:14:27.146]: Info: [wayland] Name: DP-3
[2026-08-09 00:14:27.146]: Info: [wayland] Found monitor: Dell Inc. 22"
[2026-08-09 00:14:27.146]: Info: -------- Start of KMS monitor list --------
[2026-08-09 00:14:27.146]: Info: --------- End of KMS monitor list ---------
[2026-08-09 00:14:27.146]: Debug: Monitor description
[2026-08-09 00:14:27.146]: Debug: Resolution: 0x0
[2026-08-09 00:14:27.146]: Debug: Offset: 0x0
[2026-08-09 00:14:27.146]: Debug: Monitor description
[2026-08-09 00:14:27.146]: Debug: Resolution: 0x0
[2026-08-09 00:14:27.146]: Debug: Offset: 0x0
[2026-08-09 00:14:27.146]: Debug: Monitor description
[2026-08-09 00:14:27.146]: Debug: Resolution: 2560x1440
[2026-08-09 00:14:27.146]: Debug: Offset: 0x0
[2026-08-09 00:14:27.146]: Debug: Monitor description
[2026-08-09 00:14:27.146]: Debug: Resolution: 1920x1080
[2026-08-09 00:14:27.146]: Debug: Offset: 0x0
[2026-08-09 00:14:27.146]: Debug: Desktop resolution: 2560x1440
[2026-08-09 00:14:27.146]: Debug: Final KMS display_names return list: DP-6 DP-4
[2026-08-09 00:14:27.146]: Info: Screencasting with KMS
[2026-08-09 00:14:27.146]: Info: Mapped 'DP-6' to kmsgrab monitor index 0
[2026-08-09 00:14:27.146]: Info: Dropped DRM master for /dev/dri/card0
[2026-08-09 00:14:27.146]: Info: /dev/dri/card0 -> amdgpu
[2026-08-09 00:14:27.146]: Debug: Opening render node: /dev/dri/renderD129
[2026-08-09 00:14:27.146]: Info: /dev/dri/card1 -> amdgpu
[2026-08-09 00:14:27.146]: Debug: Opening render node: /dev/dri/renderD128
[2026-08-09 00:14:27.146]: Info: Found monitor for DRM screencasting
[2026-08-09 00:14:27.146]: Debug: crtc(0, 0)
[2026-08-09 00:14:27.146]: Debug: crtc(1920, 1080)
[2026-08-09 00:14:27.146]: Debug: plane->possible_crtcs == 2
[2026-08-09 00:14:27.146]: Debug: x(0) y(0) crtc_x(0) crtc_y(0) crtc_id(473)
[2026-08-09 00:14:27.146]: Debug: Resolution: 1920x1080: Pitch: 7680: Offset: 0
[2026-08-09 00:14:27.146]: Debug: Format [XR24, AR24, RA24, XR30, XB30, AR30, AB30, XR48, XB48, AR48, AB48, XB24, AB24, RG16, NV12, P010, XR4H, AR4H, XB4H, AB4H]
[2026-08-09 00:14:27.146]: Info: Found connector ID [507]
[2026-08-09 00:14:27.147]: Info: Found cursor plane [470]
[2026-08-09 00:14:27.150]: Debug: RTKit: Successfully set priority to -10
[2026-08-09 00:14:27.150]: Info: Creating encoder [hevc_vulkan]
[2026-08-09 00:14:27.150]: Info: Color coding: SDR (Rec. 601)
[2026-08-09 00:14:27.150]: Info: Color depth: 8-bit
[2026-08-09 00:14:27.150]: Info: Color range: MPEG

[catsgomoo]

I noticed as well (could be unrelated) that my streams are for some reason capped to 30fps

[Kishi85]

I have the same or a similar bug. Also using version 2026.726.710. Capture method is KMS. OS is based on Fedora 44.

My configuration output_name = 1 is index-based, however, in the logs I see Mapped 'DP-6' to kmsgrab monitor index 0. For some reason this connector name is chosen and then resolved to the wrong index, which defeats my index-based configuration.

By enabling debug logs, I have found that the KMS displays that Sunshine ends up finding are DP-6 and DP-4 (Final KMS display_names return list: DP-6 DP-4). When I set output_name = DP-4, the correct screen is selected for streaming. However, I would expect (based on #5423) that the index-based functionality still works.

It's also noteworthy that according to the [wayland] logs, my display connectors are DP-1 and DP-3. I do not know what the difference is with the other two, or why Sunshine ends up using those. Perhaps this is normal though. Until this bug I was just relying on the index-based configurtion, so I'm not sure.

Your monitor list being empty is an interesting observation and will require further investigation as that is caused by your KMS displaynames not lining up with the detected wayland output names. I'll have another look at the whole thing and see if KMS somewhere has a direct function to map to a connector as I can't reproduce this exact mismatch on my system unfortunately.

Edit I noticed the logs others posted before me do not havethe "Mapped * to kmsgrab monitor index" line, and their KMS monitor list also isn't empty like mine. So there might be a different root cause.

Those were added in #5448 which was created/merged after this issue was opened to ease further debugging (also in regards to this issue).