UE-4.13.2 don't work in linux

Hello
I compiled from git source new version and can’t run

UE start new project, but LAAAAGGS. It almost freeze.

Can you fix it?

my system is
gentoo ~amd64
Asus G75VW

ps: UE-4.11 run fine.

recent git was started fine!
but when i try to drag window i get this freeze

alembic!!!

I am not aware of any difference between 4.13 and 4.11 that could account for this. Can you run 4.11 and 4.13 side by side and double check that the behavior is indeed different?