Media on a Prim Audio Controls Not Working in Linux

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
42/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Stale
Tech stack
cpp, linux
Domain
audio-video-rtc, desktop-dev

Research direction

No source file or test is named. Reproduce the issue on Linux with media playing on a prim, then trace the viewer's Audio settings volume and mute handling through the OpenAL audio path; done means those controls change or mute prim media without toggling it off.

Written by the indexing model from the issue text.

Description

bug stale team:viewer

When playing Media On A Prim in Linux, the audio controls for Media don't affect it at all. This includes changing the volume or muting. There is no difference - it's on and the same volume no matter what. The only thing that works is toggling it off completely.

  1. Start playing some media on a prim, such as a TV

  2. Try to adjust the volume or mute Media in the Audio settings of the viewer

I am using EndeavourOS, which is Arch based. This has also been seen in CachyOS.

Since the about information that's attached to this post is hidden from public view, here is critical information:

Second Life Project Lua Editor 7.2.3.19911032641 (64bit)

CPU: 11th Gen Intel(R) Core(TM) i5-11400F @ 2.60GHz (4138.95 MHz)

Memory: 48070 MB

OS Version: Linux 6.17.13-lqx1-1-lqx #1 ZEN SMP PREEMPT_DYNAMIC Thu, 18 Dec 2025 16:22:22 +0000 x86_64

Graphics Card Vendor: AMD

Graphics Card: AMD Radeon RX 9060 XT (radeonsi, gfx1200, LLVM 21.1.6, DRM 3.64, 6.17.13-lqx1-1-lqx)

OpenGL Version: 4.6 (Compatibility Profile) Mesa 25.3.2-arch1.1

Window size: 2560x1360

Font Size Adjustment: 96pt

UI Scaling: 1

Draw distance: 128m

Bandwidth: 3000kbit/s

LOD factor: 1.5

Render quality: 4

Texture memory: 16384MB

Disk cache: Max size 2150.4 MB (39.5% used)

J2C Decoder Version: KDU v8.4.1

Audio Driver Version: OpenAL, version 1.1 ALSOFT 1.24.2 / OpenAL Community / OpenAL Soft: OpenAL Soft

Dullahan: 1.26.0.202510161627

CEF: 139.0.40+g465474a+chromium-139.0.7258.139

Chromium: 139.0.7258.139

LibVLC Version: 3.0.16

Voice Server Version: Vivox

https://secondlife.canny.io/admin/board/bug-reports/p/media-on-a-prim-audio-controls-not-working-in-linux

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