I have similar issues on 16.04.4 with latest HWE kernel - and when double-checking against the source code I can see that this fix is now AWOL from:
linux-image-4.13.0-36-generic 4.13.0-36.40~16.04.1
I have similar issues on 16.04.4 with latest HWE kernel - and when double-checking against the source code I can see that this fix is now AWOL from:
linux-image- 4.13.0- 36-generic 4.13.0- 36.40~16. 04.1