Commit 9baf30972b55 is in the Xenial kernel as of 4.4.0-98. It sounds like you are running the 4.4.0-111 kernel, correct?
The second patch you mention was never accepted into mainline. We can test it out. However, it might be good to first test the mainline kernel to see if some other commit already fixed this bug. Can you test the current mainline kernel? It can be downloaded from:
Commit 9baf30972b55 is in the Xenial kernel as of 4.4.0-98. It sounds like you are running the 4.4.0-111 kernel, correct?
The second patch you mention was never accepted into mainline. We can test it out. However, it might be good to first test the mainline kernel to see if some other commit already fixed this bug. Can you test the current mainline kernel? It can be downloaded from:
http:// kernel. ubuntu. com/~kernel- ppa/mainline/ v4.16-rc6