I ended up due to working on a live dev cd for codexl since all my machines are memory based and use no magnetic media. Just cherry picking the code back to the last 4.16 and no problems Heres the working 4.16 . I chased this rabbit for awhile and it pops up like the dam wood chuck in caddie shack. Here is the latest as of 11 hours ago 4.19-wip https://github.com/tekcomm/linux-image-4.19-wip-generic Here is the latest as of 11 hours ago 4.16 version from three weeks ago with no woodchucks https://github.com/tekcomm/linux-kernel-amdgpu-binaries