[2016.11.19-01.48.18:008]LogD3D11RHI:Error: Result failed
it crashes engine when changing material, or creating landscape layers
with error DXGI_ERROR_DEVICE_REMOVED DXGI_ERROR_DEVICE_HUNG
as I had couple of problems with KERNEL crash,
please check this link I have made , there is how I definitely solved all of theese errors about Kernel crashes
& for me, consider SOLVED (now everything including many my bugreports about KERNEL crash, landscape layers crash, distance field crash , and more)
there was error on d3d11.3layers which some older windows 10 version doesnt supported.