Audio crackling in performance mode

[snappy91 (Giacomo Failla)]

Distorted Audio? Here’s How I Fixed It (Intel HDA / `snd_hda_intel`)

If you’re running Fedora 42 (or earlier) and enabling the “Performance” power profile causes distorted, crackling, or glitchy audio, you’re not alone. This issue often affects systems with Intel Skylake or similar chipsets using the snd_hda_intel audio driver. Here’s how I completely resolved the issue and got clean audio even with maximum CPU performance. The my Root Cause This is caused by interrupt latency issues when deep CPU C-states are enabled in combination with the performance governo…