Firmware Failed To Load Iwldebugyoyobin Free Page

The error “firmware: failed to load iwldebug-yoyo.bin” is a benign log message indicating that an optional debug file is missing. It does not mean your Wi-Fi is broken or that a critical firmware update is required.

Unless you are actively debugging Intel wireless driver internals, you can safely ignore this message and continue using your system without any further action.

Last updated: 2025

If you compiled your own kernel, ensure CONFIG_IWLWIFI_DEBUG is disabled unless you actually need it. Also check:

grep CONFIG_IWLWIFI_DEBUG /boot/config-$(uname -r)

If set to =y, rebuild with =n.

The error suggests that the system attempted to load a specific firmware file (iwldebug_yoyobin) but was unable to do so, indicating a problem that could stem from several sources:

The driver is looking for a debug firmware file. This can happen if: firmware failed to load iwldebugyoyobin free

Fix:
Reinstall the official Intel Wi-Fi firmware:

# Debian/Ubuntu
sudo apt install --reinstall firmware-iwlwifi