Firmware Failed To Load Iwl-debug-yoyo.bin Jun 2026

Bug#969264: firmware-iwlwifi: failed to load iwl-debug-yoyo.bin

Check which exact file is missing:

The most straightforward fix is to ensure you have the absolute latest linux-firmware package installed. Newer versions of this package often include the yoyo debug firmware for recent Intel cards. firmware failed to load iwl-debug-yoyo.bin

Sometimes, after "fixing" the yoyo error, you might see a related error, such as firmware failed to load iwl-debug-yoyo.bin-2 or iwl-debug-yoyo.bin-3 . This indicates that the driver is looking for a version-specific debug file (e.g., for different chipset revisions). Bug#969264: firmware-iwlwifi: failed to load iwl-debug-yoyo

Example output: loaded firmware version 66.f1c864e0.0 cc-a0-66.ucode This indicates that the driver is looking for

in standard firmware packages because it is only intended for internal Intel debugging and is not required for daily hardware operation. The error code simply means "No such file or directory". Debian User Forums Should You Be Concerned? If your Wi-Fi is working: