The error message firmware: failed to load iwl-debug-yoyo.bin (-2) is a common, typically seen in Linux distributions like Debian and Ubuntu. It occurs because the Intel Wi-Fi driver ( iwlwifi ) attempts to load a specific debugging file that is not included in standard firmware packages and is not required for normal Wi-Fi operation. Quick Review & Troubleshooting
If your Wi-Fi , this specific error is still likely a distraction. You should instead look for errors regarding missing .ucode files (e.g., iwlwifi-cc-a0-59.ucode ) and ensure the firmware-iwlwifi package is installed from your distro's non-free repository. firmware failed to load iwldebugyoyobin free
Since it’s a harmless debug message, you can safely ignore it. It doesn’t affect performance, power usage, or stability. The error message firmware: failed to load iwl-debug-yoyo