protonscr

Brief stutter when adjusting audio or brightness in multiple games on Ubuntu 24.04

protonclosed
ValveSoftware/Proton#9067 · opened 2025-09-25 by Lycoriste · updated 2025-10-05 · 0 comments · github
LLycoriste 2025-09-25 github

Specs:
OS: Ubuntu 24.04.2 LTS x86_64
Kernel: 6.14.0-29-generic
CPU: Intel Core i9-13900HX (32 cores) @ 5.40 GHz
GPU: NVIDIA GeForce RTX 4070 Max-Q / Mobile
NVIDIA Driver Version: 550.163.01
RAM: 32 GB
Storage: 2TB SSD
Proton version(s) tried: Proton Experimental, Proton 10.0.-2(beta), Proton 9.0-4, GE-Proton10-16

Steps to reproduce:

  1. Launch a game (tried Palworld, Persona 3 Reload, Nier Automata, PEAK).
  2. Change audio volume while game is opened.
  3. Observe brief stutter.
  4. Change brightness.
  5. Observe brief stutter.

Note:

  • Occurs in both windowed and fullscreen modes
  • Happens even with Steam overlay disabled
  • Affects multiple games and Proton versions
  • No stutter is observed when adjusting volume/brightness on another workspace while the game is running

Let me know if there's anything wrong with this issue or if there's any information missing since this is my first time reporting.

Proton versions