I also have this problem on my ThinkPad T470p with Pro Dock 40A1.
When I power on my laptop with connected dock, it's fine. I can log in and work smoothly. The problem occurs when I lock my screen. Computer freeze and I can do nothing. Only reset is a solution.
I also have this problem on my ThinkPad T470p with Pro Dock 40A1.
When I power on my laptop with connected dock, it's fine. I can log in and work smoothly. The problem occurs when I lock my screen. Computer freeze and I can do nothing. Only reset is a solution.
I attached logs before a reset.