Maybe already written, RetroArch XMB can’t control with keyboard on Linux.
Commits on Jun 2, 2017 Merge pull request #5011 from casdevel/winraw 647dc488ffcd91d1f9a7da1c05518e9000fb1a32 is OK.
Commits on Jun 2, 2017 Merge pull request #5010 from casdevel/udev a8f1831a62c82f2cb72d7e8b112d1ac7c7cf4e0f is NG.
Please check any one.