Bug SystemAPI.GetSingletonRW is causing crash in VR/Burst

I am resposting this as I found out an interesting situation.

Using SystemAPI.GetSingletonRW within the OnUpdate crashes ONLY when [BurstCompile] is added. Without that tag the code runs fine.

Either code runs fine within Editor, it was only when compiled and running on PCVR via Quest 2 that the crash happens.

If any additional info or code is wanted/need just ask.

Code (CSharp):

1.  
2. //[BurstCompile]
3.     public void OnUpdate(ref SystemState state)
4.     {      
5.         float deltaTime0 = SystemAPI.Time.DeltaTime;
6.  
7.         JobHandle jobHandle = new BattleBotMoveJob
8.         {
9.             deltaTime = deltaTime0
10.         }
11.         .ScheduleParallel(state.Dependency);
12.         jobHandle.Complete();
13.  
14.  
15.         //caused crash when in VR when using the [BurstCompile] tag OnUpdate()
16.         RefRW<RandomComponent> randomComponent = SystemAPI.GetSingletonRW<RandomComponent>();
17.        
18.         //This line works fine with the [BurstCompile] tag
19.         //SystemAPI.TryGetSingletonRW<RandomComponent>(out var randomComponent);
20.        
21.         new BattleBotChangeTargetJob
22.         {
23.             randomComponent = randomComponent
24.         }
25.         .Run();
26.     }
27.  

 

Do you have

state.RequireForUpdate<RandomComponent>();

in

OnCreate

? If not - then add it.

 

In order to be sure what you are saying, I should do this: (JUST this?)

Code (CSharp):

1.    
2. [BurstCompile]
3.     public void OnCreate(ref SystemState state)
4.     {
5.         state.RequireForUpdate<RandomComponent>();
6.     }
7.  

 

Yes

 

Ok, so I updated my code, recompiled and with the changes you mentioned and the [BurstCompile] added, it works (thank you)

Still.... this is all very odd, and I hope *I* am missing this info on the documentation. If not, then it should be added

Thank you very much. Hopefully this will be helpful to others