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But this is — Wi-Fi still works fine. It’s just a missing optional debug firmware.
Verify that the required firmware files are present on your system. You can check the firmware directory (usually /lib/firmware ) for the following files: iwlwifi firmware failed to load iwldebugyoyobin exclusive
It means the iwlwifi driver, which handles Intel wireless adapters, attempted to load a debugging firmware file and failed, typically because the file does not exist on your system. The error is generally harmless and does not affect normal wireless operation, but it can be an annoyance and a symptom of underlying driver or firmware issues. But this is — Wi-Fi still works fine
Ensure you have the Official Intel iwlwifi firmware installed. On Debian-based systems, you can use the command: sudo apt install firmware-iwlwifi . You can check the firmware directory (usually /lib/firmware
Watch dmesg -w . You should see lines like:
binary used exclusively for advanced hardware debugging. Because standard users do not need it, it is rarely included in official Linux distributions. Google Groups How to Silence the Warning If you find the error distracting in your system logs (
iwlwifi 0000:00:14.3: firmware: failed to load iwlwifi-QuZ-a0-hr-b0-77.ucode (-2) iwlwifi 0000:00:14.3: firmware: failed to load iwlwifi-so-a0-jf-b0-77.ucode (-2)