Sunshine SIGSEGV at boot on Ubuntu 24.04 LTS

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?

I'm too lazy to test

Describe the Bug

I have sunshine boot on startup on my Ubuntu. When booting my pc, I always get an error, which I can just press "cancel" on, sunshine boots and works. When looking at the details of the error in the Ubuntu settings, I see:

executable path /usr/bin/sunshine
package sunshine 2026.516.143833
(...)
Title: sunshine crashed with SIGSEGV
(...)
SegvAnalysis: Failure: invalid literal for int() with base 16: 'Error:'
Signal: 11

Nothing major since sunshine does seem to continue to work, but bit annoying if I boot in my game and get alt-tabbed out to cancel the error.

Expected Behavior

No SIGSEV on startup, just being able to boot straight into the game.

Additional Context

No response

Host Operating System

Linux

Operating System Version

Ubuntu 24.04.3 LTS "Noble Numbat"

Architecture

amd64/x86_64

Package

Linux - deb

GPU Type

AMD

GPU Model

Radeon RX 7900 XT

GPU Driver/Mesa Version

amdgpu?

Capture Method

None

Apps

Log output

[2026-08-20 12:06:15.801]: Info: Sunshine version: 2026.516.143833 commit: 14ffa6fdaa53f7b51512be2b3d24f3939695403c
[2026-08-20 12:06:15.801]: Info: Package Publisher: LizardByte
[2026-08-20 12:06:15.801]: Info: Publisher Website: https://app.lizardbyte.dev
[2026-08-20 12:06:15.801]: Info: Get support: https://app.lizardbyte.dev/support
[2026-08-20 12:06:15.801]: Info: config: 'address_family' = both
[2026-08-20 12:06:15.801]: Info: config: 'global_prep_cmd' = [{"do":"/home/daniel/git/dotfiles/bin/sunshine-resolution-toggle.sh do","undo":"/home/daniel/git/dotfiles/bin/sunshine-resolution-toggle.sh undo"}]
[2026-08-20 12:06:15.804]: Error: Couldn't load cuda: -1
[2026-08-20 12:06:15.804]: Info: /dev/dri/card2 -> amdgpu
[2026-08-20 12:06:15.806]: Info: /dev/dri/card1 -> amdgpu
[2026-08-20 12:06:15.807]: Error: [wayland] Environment variable WAYLAND_DISPLAY has not been defined
[2026-08-20 12:06:15.807]: Info: Detecting displays
[2026-08-20 12:06:15.810]: Info: Detected display: DisplayPort-0 (id: 0)DisplayPort-0 connected: false
[2026-08-20 12:06:15.810]: Info: Detected display: DisplayPort-1 (id: 1)DisplayPort-1 connected: false
[2026-08-20 12:06:15.810]: Info: Detected display: DisplayPort-2 (id: 2)DisplayPort-2 connected: true
[2026-08-20 12:06:15.810]: Info: Detected display: HDMI-A-0 (id: 3)HDMI-A-0 connected: false
[2026-08-20 12:06:15.810]: Info: Detected display: HDMI-A-1-1 (id: 4)HDMI-A-1-1 connected: false
[2026-08-20 12:06:15.810]: Info: Detected display: DisplayPort-1-3 (id: 5)DisplayPort-1-3 connected: false
[2026-08-20 12:06:15.810]: Info: Detected display: DisplayPort-1-4 (id: 6)DisplayPort-1-4 connected: false
[2026-08-20 12:06:15.810]: Info: Detected display: DisplayPort-1-5 (id: 7)DisplayPort-1-5 connected: false
[2026-08-20 12:06:15.830]: Info: // Testing for available encoders, this may generate errors. You can safely ignore those errors. //
[2026-08-20 12:06:15.830]: Info: Trying encoder [nvenc]
[2026-08-20 12:06:15.830]: Info: Screencasting with KMS
[2026-08-20 12:06:15.830]: Info: /dev/dri/card2 -> amdgpu
[2026-08-20 12:06:15.831]: Info: /dev/dri/card1 -> amdgpu
[2026-08-20 12:06:15.831]: Error: Couldn't find monitor [0]
[2026-08-20 12:06:15.831]: Info: /dev/dri/card2 -> amdgpu
[2026-08-20 12:06:15.831]: Info: /dev/dri/card1 -> amdgpu
[2026-08-20 12:06:15.832]: Error: Couldn't find monitor [0]
[2026-08-20 12:06:16.032]: Info: Screencasting with KMS
[2026-08-20 12:06:16.032]: Info: /dev/dri/card2 -> amdgpu
[2026-08-20 12:06:16.033]: Info: /dev/dri/card1 -> amdgpu
[2026-08-20 12:06:16.034]: Error: Couldn't find monitor [0]
[2026-08-20 12:06:16.034]: Info: /dev/dri/card2 -> amdgpu
[2026-08-20 12:06:16.035]: Info: /dev/dri/card1 -> amdgpu
[2026-08-20 12:06:16.035]: Error: Couldn't find monitor [0]
[2026-08-20 12:06:16.235]: Info: Encoder [nvenc] failed
[2026-08-20 12:06:16.235]: Info: Trying encoder [vulkan]
[2026-08-20 12:06:16.235]: Info: Screencasting with KMS
[2026-08-20 12:06:16.235]: Info: /dev/dri/card2 -> amdgpu
[2026-08-20 12:06:16.236]: Info: /dev/dri/card1 -> amdgpu
[2026-08-20 12:06:16.237]: Info: Found monitor for DRM screencasting
[2026-08-20 12:06:16.237]: Info: Found connector ID [393]
[2026-08-20 12:06:16.237]: Info: Found cursor plane [361]
[2026-08-20 12:06:16.237]: Info: Creating encoder [h264_vulkan]
[2026-08-20 12:06:16.237]: Info: Color coding: SDR (Rec. 601)
[2026-08-20 12:06:16.237]: Info: Color depth: 8-bit
[2026-08-20 12:06:16.237]: Info: Color range: JPEG
[2026-08-20 12:06:16.365]: Info: Streaming bitrate is 1000000
[2026-08-20 12:06:16.368]: Info: Vulkan encode using GPU: AMD Radeon RX 7900 XT (RADV NAVI31)
[2026-08-20 12:06:16.381]: Info: Creating encoder [hevc_vulkan]
[2026-08-20 12:06:16.381]: Info: Color coding: SDR (Rec. 601)
[2026-08-20 12:06:16.381]: Info: Color depth: 8-bit
[2026-08-20 12:06:16.381]: Info: Color range: JPEG
[2026-08-20 12:06:16.415]: Info: Streaming bitrate is 1000000
[2026-08-20 12:06:16.418]: Info: Vulkan encode using GPU: AMD Radeon RX 7900 XT (RADV NAVI31)
[2026-08-20 12:06:16.429]: Info: Creating encoder [av1_vulkan]
[2026-08-20 12:06:16.429]: Info: Color coding: SDR (Rec. 601)
[2026-08-20 12:06:16.429]: Info: Color depth: 8-bit
[2026-08-20 12:06:16.429]: Info: Color range: JPEG
[2026-08-20 12:06:16.459]: Info: Streaming bitrate is 1000000
[2026-08-20 12:06:16.459]: Info: Vulkan encode using GPU: AMD Radeon RX 7900 XT (RADV NAVI31)
[2026-08-20 12:06:16.464]: Info: Screencasting with KMS
[2026-08-20 12:06:16.464]: Info: /dev/dri/card2 -> amdgpu
[2026-08-20 12:06:16.464]: Info: /dev/dri/card1 -> amdgpu
[2026-08-20 12:06:16.464]: Info: Found monitor for DRM screencasting
[2026-08-20 12:06:16.464]: Info: Found connector ID [393]
[2026-08-20 12:06:16.465]: Info: Found cursor plane [361]
[2026-08-20 12:06:16.465]: Info: Creating encoder [hevc_vulkan]
[2026-08-20 12:06:16.465]: Info: Color coding: SDR (Rec. 709)
[2026-08-20 12:06:16.465]: Info: Color depth: 10-bit
[2026-08-20 12:06:16.465]: Info: Color range: JPEG
[2026-08-20 12:06:16.495]: Info: Streaming bitrate is 1000000
[2026-08-20 12:06:16.498]: Info: Vulkan encode using GPU: AMD Radeon RX 7900 XT (RADV NAVI31)
[2026-08-20 12:06:16.511]: Info: Creating encoder [av1_vulkan]
[2026-08-20 12:06:16.511]: Info: Color coding: SDR (Rec. 709)
[2026-08-20 12:06:16.511]: Info: Color depth: 10-bit
[2026-08-20 12:06:16.511]: Info: Color range: JPEG
[2026-08-20 12:06:16.540]: Info: Streaming bitrate is 1000000
[2026-08-20 12:06:16.541]: Info: Vulkan encode using GPU: AMD Radeon RX 7900 XT (RADV NAVI31)
[2026-08-20 12:06:16.550]: Info: 
[2026-08-20 12:06:16.550]: Info: // Ignore any errors mentioned above, they are not relevant. //
[2026-08-20 12:06:16.550]: Info: 
[2026-08-20 12:06:16.550]: Info: Found H.264 encoder: h264_vulkan [vulkan]
[2026-08-20 12:06:16.550]: Info: Found HEVC encoder: hevc_vulkan [vulkan]
[2026-08-20 12:06:16.550]: Info: Found AV1 encoder: av1_vulkan [vulkan]
[2026-08-20 12:06:16.551]: Info: Starting system tray
[2026-08-20 12:06:16.552]: Info: Adding avahi service KokPit-Ubuntu
[2026-08-20 12:06:16.554]: Info: Configuration UI available at [https://localhost:47990]
[2026-08-20 12:06:16.571]: Info: System tray created
[2026-08-20 12:06:16.571]: Info: Starting main loop
[2026-08-20 12:06:17.439]: Info: Avahi service KokPit-Ubuntu successfully established.
[2026-08-20 12:51:23.627]: Info: Web UI: [127.0.0.1] -- not authorized

Online logs

No response

Start with /usr/bin/sunshine and reproduce the Ubuntu 24.04 boot-time launch using the supplied log, focusing on the SIGSEGV and startup display/encoder initialization messages. Done means Sunshine starts without the Ubuntu crash dialog or SIGSEGV while streaming continues to work.