GNOME audio stops after an ALSA upgrade – how to diagnose and fix
When a distro bumps the ALSA stack, the first thing that usually goes wrong is the desktop audio. In GNOME you’ll see “no audio” or a muted‑looking volume slider that actually reports a non‑zero level. The root cause is a mismatch between the kernel‑level ALSA driver and the user‑space libraries that PipeWire (the default audio server in GNOME 45+) talks to. Below is a practical, step‑by‑step walk‑through that covers the most common culprits, how to confirm them, and how to fix the issue without rolling back the whole upgrade.
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