I have UE4 version 4.15.1 running build from source and running under openSuSE Tumbleweed with Linux kernel 4.10.x and cannot replicate the problem as described … perhaps you should upgrade to the latest release
I have UE4 version 4.15.1 running build from source and running under openSuSE Tumbleweed with Linux kernel 4.10.x and cannot replicate the problem as described … perhaps you should upgrade to the latest release