Cursor.lockState does not behave properly

Code (csharp):

1.  
2.     void Start ()
3.     {
4.        Cursor.lockState = CursorLockMode.Locked;
5.     }
6.  

Editor: This will lock the cursor, but it sticks it randomly in one of a few different positions instead of the center of the screen. I've seen it in three different places when the code tells it Vector2.zero after I just ran it several times in a row with no changes.
Build: Didn't test.

Code (csharp):

1.  
2.     void Start()
3.     {
4.         Cursor.lockState = CursorLockMode.Confined;
5.     }
6.  

Editor: Doesn't confine to the Game Window.
Build: Didn't test.

Anyone else experiencing this? I've found quite a few people are having problems with it while others are using it just fine, and I'm curious if this is a known issue or not. Is it a hardware problem?

Cursor.SetCursor(...) seems to work fine for me with texture and hotspot, but the lockStates do not. Mixed results with visibility.

 

I'm having problems with it too. Besides discussions in the forums, it's also been addressed in answers.unity3d.com. Someone mentioned they had filed a bug report, and I don't know if this is resolved in the latest update. It certainly hasn't worked as advertised for me.