I think the best way to test the mainline kernel, would be to re-install 15.10 and then test it. That will also allow testing of prior 16.04 kernels, so we can perform a kernel bisect.
I think the best way to test the mainline kernel, would be to re-install 15.10 and then test it. That will also allow testing of prior 16.04 kernels, so we can perform a kernel bisect.