I am now able to reproduce and debug the problem. Indeed it is what I said in comment #31.
The vmwgfx driver in this old kernel is telling lies. It says the next screen refresh is in 49 years from now. It should be within 16.6 milliseconds.
I am now able to reproduce and debug the problem. Indeed it is what I said in comment #31.
The vmwgfx driver in this old kernel is telling lies. It says the next screen refresh is in 49 years from now. It should be within 16.6 milliseconds.