: Most Linux distributions do not include this file by default because it is only needed by developers to debug firmware issues. The driver attempts to find it during initialization, and the "-2" error simply means "No such file or directory". Is it "Exclusive"?
: If you're using a relatively recent Linux distribution, try reloading the firmware. You might need to remove and reinsert the iwlwifi module:
The "exclusive" part usually implies that the driver is attempting to claim the hardware in a way that is currently blocked or conflicted, often due to a mismatch between your running kernel and the installed firmware blobs. Why This is Happening