Before pulling in the new firmware, I tried the upstream kernel per the wiki instructions I found in the Ubuntu wiki. The same problem existed there. Now, I am running the artful kernel with the bionic firmware files that I manually copied over as indicated above.
Before pulling in the new firmware, I tried the upstream kernel per the wiki instructions I found in the Ubuntu wiki. The same problem existed there. Now, I am running the artful kernel with the bionic firmware files that I manually copied over as indicated above.