Not sure if this helps (and I just noticed your query is 2 years old but with no replies ) but I fixed an UnrealEditor launch crash by forcing amdgpu driver in grub and then adding a big chunk of main ram as a memory pool for the driver.
Please see my fix here:
) but I fixed an UnrealEditor launch crash by forcing amdgpu driver in grub and then adding a big chunk of main ram as a memory pool for the driver.