Comment 12 for bug 1757565

That would indicate the fix is in from v4.15-rc2 -> 4.15 Final. I'll review the commits in that range, but there are probably thousands of them. It will help to narrow it down further. Could you test the 4.15 release candidates on the following page to find the last good kernel and first bad kernel:

http://kernel.ubuntu.com/~kernel-ppa/mainline/