Burst Error

I was getting these errors on play in an empty scene with all my jobs [BurstCompile] commented out. Started copying code over to a new project to reproduce it so I could send a bug report, but could not reproduce it. Restarting unity fixed it. Hopefully this helps someone in the future googling the error

Code (CSharp):

1. Unexpected exception Burst.Options.OptionException: Unexpected arguments: `--is-for-function-pointer --managed-function-pointer=0x00000197DF2C17F0`
2.  
3.   at Burst.Compiler.IL.Jit.JitCompilerService.Compile (Burst.Compiler.IL.Jit.JitCompilerService+CompileJob job) [0x0012a] in <3179d4839c86430ca331f2949f40ede5>:0
4.  
5. While compiling job: Unity.Entities.StructuralChange, Unity.Entities, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null::AddComponentEntitiesBatchExecute(Unity.Entities.EntityComponentStore*, Unity.Entities, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null|Unity.Collections.LowLevel.Unsafe.UnsafeList*, Unity.Collections, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null|System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089)
6. InvalidOperationException: Burst failed to compile the function pointer `Void AddComponentEntitiesBatchExecute(Unity.Entities.EntityComponentStore*, Unity.Collections.LowLevel.Unsafe.UnsafeList*, Int32)`
7.   at Unity.Burst.BurstCompiler.Compile[T] (T delegateObj, System.Boolean isFunctionPointer) [0x0015e] in D:\project\Dwar\Library\PackageCache\com.unity.burst@1.2.0-preview.9\Runtime\BurstCompiler.cs:160
8.   at Unity.Burst.BurstCompiler.CompileFunctionPointer[T] (T delegateMethod) [0x00001] in D:\project\Dwar\Library\PackageCache\com.unity.burst@1.2.0-preview.9\Runtime\BurstCompiler.cs:78
9.   at Unity.Entities.StructuralChange.Initialize () [0x00001] in D:\project\Dwar\Library\PackageCache\com.unity.entities@0.2.0-preview.18\Unity.Entities\EntityManagerChangeArchetype.cs:55
10.   at Unity.Entities.EntityManager..ctor (Unity.Entities.World world) [0x0000e] in D:\project\Dwar\Library\PackageCache\com.unity.entities@0.2.0-preview.18\Unity.Entities\EntityManager.cs:162
11.   at Unity.Entities.World..ctor (System.String name) [0x00050] in D:\project\Dwar\Library\PackageCache\com.unity.entities@0.2.0-preview.18\Unity.Entities\World.cs:115
12.   at Unity.Entities.DefaultWorldInitialization.Initialize (System.String defaultWorldName, System.Boolean editorWorld) [0x0002c] in D:\project\Dwar\Library\PackageCache\com.unity.entities@0.2.0-preview.18\Unity.Entities.Hybrid\Injection\DefaultWorldInitialization.cs:127
13.   at Unity.Entities.AutomaticWorldBootstrap.Initialize () [0x00001] in D:\project\Dwar\Library\PackageCache\com.unity.entities@0.2.0-preview.18\Unity.Entities.Hybrid\Injection\AutomaticWorldBootstrap.cs:15
14.  
15. (Filename: Library/PackageCache/com.unity.burst@1.2.0-preview.9/Runtime/BurstCompiler.cs Line: 160)
16.  
17.  

and when exiting play

Code (CSharp):

1. NullReferenceException: Object reference not set to an instance of an object
2.   at Unity.Entities.World.Dispose () [0x00080] in D:\project\Dwar\Library\PackageCache\com.unity.entities@0.2.0-preview.18\Unity.Entities\World.cs:146
3.   at Unity.Entities.World.DisposeAllWorlds () [0x00003] in D:\project\Dwar\Library\PackageCache\com.unity.entities@0.2.0-preview.18\Unity.Entities\World.cs:164
4.   at Unity.Entities.DefaultWorldInitialization.DomainUnloadOrPlayModeChangeShutdown () [0x0000f] in D:\project\Dwar\Library\PackageCache\com.unity.entities@0.2.0-preview.18\Unity.Entities.Hybrid\Injection\DefaultWorldInitialization.cs:87
5.   at Unity.Entities.DefaultWorldInitializationProxy.OnDisable () [0x0000b] in D:\project\Dwar\Library\PackageCache\com.unity.entities@0.2.0-preview.18\Unity.Entities.Hybrid\Injection\DefaultWorldInitializationProxy.cs:28

manifest looked like this:

Code (CSharp):

1. {
2.   "dependencies": {
3.     "com.unity.2d.sprite": "1.0.0",
4.     "com.unity.2d.tilemap": "1.0.0",
5.     "com.unity.addressables": "1.1.10",
6.     "com.unity.ads": "2.0.8",
7.     "com.unity.analytics": "3.3.4",
8.     "com.unity.burst": "1.2.0-preview.9",
9.     "com.unity.cloud.userreporting": "0.2.4-preview",
10.     "com.unity.collections": "0.2.0-preview.13",
11.     "com.unity.entities": "0.2.0-preview.18",
12.     "com.unity.ext.nunit": "1.0.0",
13.     "com.unity.ide.rider": "1.1.4",
14.     "com.unity.ide.visualstudio": "1.0.11",
15.     "com.unity.jobs": "0.2.0-preview.13",
16.     "com.unity.mathematics": "1.1.0",
17.     "com.unity.memoryprofiler": "0.1.0-preview.7",
18.     "com.unity.performance.profile-analyzer": "0.4.0-preview.6",
19.     "com.unity.polybrush": "1.0.1",
20.     "com.unity.rendering.hybrid": "0.2.0-preview.18",
21.     "com.unity.test-framework": "1.1.8",
22.     "com.unity.textmeshpro": "2.0.1",
23.     "com.unity.timeline": "1.2.6",
24.     "com.unity.ugui": "1.0.0",
25.     "com.unity.modules.ai": "1.0.0",
26.     "com.unity.modules.androidjni": "1.0.0",
27.     "com.unity.modules.animation": "1.0.0",
28.     "com.unity.modules.assetbundle": "1.0.0",
29.     "com.unity.modules.audio": "1.0.0",
30.     "com.unity.modules.cloth": "1.0.0",
31.     "com.unity.modules.director": "1.0.0",
32.     "com.unity.modules.imageconversion": "1.0.0",
33.     "com.unity.modules.imgui": "1.0.0",
34.     "com.unity.modules.jsonserialize": "1.0.0",
35.     "com.unity.modules.particlesystem": "1.0.0",
36.     "com.unity.modules.physics": "1.0.0",
37.     "com.unity.modules.physics2d": "1.0.0",
38.     "com.unity.modules.screencapture": "1.0.0",
39.     "com.unity.modules.terrain": "1.0.0",
40.     "com.unity.modules.terrainphysics": "1.0.0",
41.     "com.unity.modules.tilemap": "1.0.0",
42.     "com.unity.modules.ui": "1.0.0",
43.     "com.unity.modules.uielements": "1.0.0",
44.     "com.unity.modules.umbra": "1.0.0",
45.     "com.unity.modules.unityanalytics": "1.0.0",
46.     "com.unity.modules.unitywebrequest": "1.0.0",
47.     "com.unity.modules.unitywebrequestassetbundle": "1.0.0",
48.     "com.unity.modules.unitywebrequestaudio": "1.0.0",
49.     "com.unity.modules.unitywebrequesttexture": "1.0.0",
50.     "com.unity.modules.unitywebrequestwww": "1.0.0",
51.     "com.unity.modules.vehicles": "1.0.0",
52.     "com.unity.modules.video": "1.0.0",
53.     "com.unity.modules.vr": "1.0.0",
54.     "com.unity.modules.wind": "1.0.0"
55.   }
56. }
57.  

 

Personally, I feel like it's totally acceptable if you're updating your compiler to require a restart.
But it would be really nice if it triggered a popup telling you to restart.
Especially for when you don't directly update burst and instead it's updated due to a dependency of another package you updated.

 

The new input system (package) does this. It used (I'm not sure if still does) to trigger a "must restart editor" alert when installing the package or changing the input system in the Project Settings window.

[]'s

 

Sorry for bumping this necro, but I am getting "Burst error BC1064: structs cannot be passed to or returned from external functions in burst. To fix this issue, use a reference or pointer."

It seems it is coming from using float3 as parameters without the "ref" or "out" keywords in a separate class that has [BurstCompile] add'd to it like done here:
https://github.com/keijiro/BurstDirectCallTest/blob/main/Assets/NoiseTexture.cs

If you add a "float3 test" as a parameter like

GetPixel(int x, int y, float t, float test)

, it will complain. Otherwise it will not.

However I haven't had this issue in the past, and it just seemed to happen as I moved a the .cs-file I was working on into a new project. I can still run the project and test things out, though. It doesn't seem to prevent me from playing back the scene.

 

The restart unity did it for me after these errors appeared when I upgraded burst. Thanks for the quick fix!

 

I got the same error