On Fri, Apr 05, 2019 at 09:38:58AM +0100, John Travell wrote: > Greg, > While I fully appreciate that the origins of 3.13 are steeped in history, > the three versions mentioned were released this year. > All came from the ubuntu repositories, not via any paid support. Sorry, you are going to have to contact Ubuntu for support for those old and ancient kernels as we have no idea what is in them, what changed in them, or why they even keep updating them :) We will be glad to help you out here if you use the latest kernel.org releases, as we know what is in them. best of luck, greg k-h