The (-2) error code signifies "File not found." The file is not included in standard distribution firmware packages because it is not needed for daily use.
If any of these files are missing, you may need to reinstall the firmware package or download the required files manually. iwlwifi firmware failed to load iwldebugyoyobin exclusive
Watch dmesg -w . You should see lines like: The (-2) error code signifies "File not found
If you work at Intel or have an NDA, you can obtain these binaries from Intel’s internal F/W release server. For everyone else, . iwlwifi firmware failed to load iwldebugyoyobin exclusive
iwlwifi: firmware: failed to load iwl-debug-yoyobin-exclusive
The term appears in a few GitHub gists and Arch Linux forum threads. It refers to a specific firmware binary ( iwlwifi-yoyo-bin.ucode ) that: