Comment # 9 on bug 1209499 from Felix Miata

Could Gnome be OP's problem?:
# zypsei Mesa veau nel-def lease session
i  | Mesa-dri                  | package | 23.0.0-346.1                | x86_64
| OSS
i  | Mesa-gallium              | package | 23.0.0-346.1                | x86_64
| OSS
i  | Mesa-libEGL1              | package | 23.0.0-346.1                | x86_64
| OSS
i  | Mesa-libglapi0            | package | 23.0.0-346.1                | x86_64
| OSS
i  | libdrm_nouveau2           | package | 2.4.115-2.1                 | x86_64
| OSS
i  | lsb-release               | package | 3.2-1.4                     | noarch
| OSS
i  | openSUSE-release-ftp      | package | 20230318-2171.1             | x86_64
| OSS
i  | release-notes-openSUSE    | package | 84.87.20180228.827b030-1.37 | noarch
| OSS
i+ | Mesa                      | package | 23.0.0-346.1                | x86_64
| OSS
i+ | Mesa-demo-x               | package | 8.5.0-2.1                   | x86_64
| OSS
i+ | Mesa-dri-nouveau          | package | 23.0.0-346.1                | x86_64
| OSS
i+ | Mesa-libGL1               | package | 23.0.0-346.1                | x86_64
| OSS
i+ | Mesa-libOpenCL            | package | 23.0.0-346.1                | x86_64
| OSS
i+ | Mesa-libd3d               | package | 23.0.0-346.1                | x86_64
| OSS
i+ | Mesa-libva                | package | 23.0.0-346.1                | x86_64
| OSS
i+ | Mesa-vulkan-device-select | package | 23.0.0-346.1                | x86_64
| OSS
i+ | Mesa-vulkan-overlay       | package | 23.0.0-346.1                | x86_64
| OSS
i+ | kdebase3-session          | package | 3.5.10.1-372.32             | x86_64
| KDE3
i+ | openSUSE-release          | package | 20230318-2171.1             | x86_64
| OSS
> inxi -GSIxxz
System:
  Kernel: 6.2.6-1-default arch: x86_64 bits: 64 compiler: gcc v: 12.2.1
    Desktop: KDE v: 3.5.10 tk: Qt v: 3.3.8c wm: kwin dm: 1: KDM 2: XDM
    Distro: openSUSE Tumbleweed 20230318
Graphics:
  Device-1: NVIDIA GF119 [NVS 310] vendor: Hewlett-Packard driver: nouveau
    v: kernel arch: Fermi pcie: speed: 2.5 GT/s lanes: 16 ports:
    active: DP-1,DP-2 empty: none bus-ID: 01:00.0 chip-ID: 10de:107d
    temp: 49.0 C
  Display: x11 server: X.Org v: 21.1.7 driver: X: loaded: modesetting
    unloaded: fbdev,vesa alternate: nouveau,nv,nvidia dri: nouveau gpu: nouveau
    display-ID: :0 screens: 1
  Screen-1: 0 s-res: 4240x1440 s-dpi: 120
  Monitor-1: DP-1 pos: primary,left model: Acer K272HUL res: 2560x1440
    dpi: 109 diag: 686mm (27")
  Monitor-2: DP-2 pos: right model: Dell P2213 res: 1680x1050 dpi: 90
    diag: 558mm (22")
  API: OpenGL v: 4.3 Mesa 23.0.0 renderer: NVD9 direct-render: Yes
Info:
  Processes: 179 Uptime: 10h 33m Memory: 3.82 GiB used: 1.61 GiB (42.1%)
  Init: systemd v: 253 target: graphical (5) default: graphical Compilers:
  gcc: N/A Packages: pm: rpm pkgs: N/A note: see --rpm Shell: Bash v: 5.2.15
  running-in: konsole inxi: 3.3.25

Most actual use during that uptime was using an image viewer quickly perusing a
large collection, but FF 102esr was open to Youtube as well (and unable to
produce sound), run from Konsole to watch messages.