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Votes
5
Found in
2021.2.0a9
2022.1
2022.1.0a10
Issue ID
1367688
Regression
Yes
'Internal: JobTempAlloc has allocations that are more than 4 frames old' spam warnings when Profiling with Live Timeline enabled
How to reproduce:
1. Open attached project
2. Open Profiler and enable Live Timeline
3. Enter Play mode
4. Observe console
Warnings:
Internal: JobTempAlloc has allocations that are more than 4 frames old - this is not allowed and likely a leak
Internal: deleting an allocation that is older than its permitted lifetime of 4 frames (age = 5)
Reproduced with: 2021.2.0a9, 2021.2.0b14, 2022.1.0a10
Does not reproduce with: 2021.1.22f1, 2021.2.0a8 (project fails to load due to errors)
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Yany
Oct 13, 2025 17:07
Stack Trace of the very same issue with Unity v6.2.7f2
Allocation of 152 bytes at b01e3cb0 in block 0 (frameIndex=2, lifetime=4, age=3, state=OK)
0x00007ffb98ebc5d8 (Unity) UnsafeUtility_CUSTOM_MallocTracked
0x0000015af3bf12ed (Mono JIT Code) (wrapper managed-to-native) Unity.Collections.LowLevel.Unsafe.UnsafeUtility:MallocTracked (long,int,Unity.Collections.Allocator,int)
0x0000015b775499bb (Mono JIT Code) Unity.Collections.NativeArray`1<long>:Allocate (int,Unity.Collections.Allocator,Unity.Collections.NativeArray`1<long>&)
0x0000015b775498a3 (Mono JIT Code) Unity.Collections.NativeArray`1<long>:.ctor (int,Unity.Collections.Allocator,Unity.Collections.NativeArrayOptions)
0x0000015b77549793 (Mono JIT Code) UnityEngine.Rendering.ParallelBitArray:.ctor (int,Unity.Collections.Allocator,Unity.Collections.NativeArrayOptions) (at ./Library/PackageCache/com.unity.render-pipelines.core@67f868dbad82/Runtime/GPUDriven/Utilities/ParallelBitArray.cs:26)
0x0000015b6f05357b (Mono JIT Code) UnityEngine.Rendering.InstanceCuller:CreateSceneViewHiddenObjectsCullingJob_EditorOnly (UnityEngine.Rendering.BatchCullingContext&,UnityEngine.Rendering.CPUInstanceData/ReadOnly&,UnityEngine.Rendering.CPUSharedInstanceData/ReadOnly&,Unity.Collections.NativeArray`1<byte>,Unity.Jobs.JobHandle) (at ./Library/PackageCache/com.unity.render-pipelines.core@67f868dbad82/Runtime/GPUDriven/InstanceCuller.cs:2167)
0x0000015b6f045e03 (Mono JIT Code) UnityEngine.Rendering.InstanceCuller:CreateCullJobTree (UnityEngine.Rendering.BatchCullingContext&,UnityEngine.Rendering.BatchCullingOutput,UnityEngine.Rendering.CPUInstanceData/ReadOnly&,UnityEngine.Rendering.CPUSharedInstanceData/ReadOnly&,UnityEngine.Rendering.CPUPerCameraInstanceData&,UnityEngine.Rendering.GPUInstanceDataBuffer/ReadOnly&,Unity.Collections.NativeList`1<UnityEngine.Rendering.LODGroupCullingData>,UnityEngine.Rendering.CPUDrawInstanceData,Unity.Collections.NativeParallelHashMap`2<uint, UnityEngine.Rendering.BatchID>,single,UnityEngine.Rendering.OcclusionCullingCommon) (at ./Library/PackageCache/com.unity.render-pipelines.core@67f868dbad82/Runtime/GPUDriven/InstanceCuller.cs:1989)
0x0000015b775b15eb (Mono JIT Code) UnityEngine.Rendering.InstanceCullingBatcher:OnPerformCulling (UnityEngine.Rendering.BatchRendererGroup,UnityEngine.Rendering.BatchCullingContext,UnityEngine.Rendering.BatchCullingOutput,intptr) (at ./Library/PackageCache/com.unity.render-pipelines.core@67f868dbad82/Runtime/GPUDriven/InstanceCullingBatcher.cs:680)
0x0000015b775b1b58 (Mono JIT Code) (wrapper delegate-invoke) <Module>:invoke_JobHandle_BatchRendererGroup_BatchCullingContext_BatchCullingOutput_intptr (UnityEngine.Rendering.BatchRendererGroup,UnityEngine.Rendering.BatchCullingContext,UnityEngine.Rendering.BatchCullingOutput,intptr)
0x0000015b775af31f (Mono JIT Code) UnityEngine.Rendering.BatchRendererGroup:InvokeOnPerformCulling (UnityEngine.Rendering.BatchRendererGroup,UnityEngine.Rendering.BatchRendererCullingOutput&,UnityEngine.Rendering.LODParameters&,intptr)
0x0000015b775afd07 (Mono JIT Code) (wrapper runtime-invoke) <Module>:runtime_invoke_void_object_intptr&_intptr&_intptr (object,intptr,intptr,intptr)
0x00007ffb8c736e7e (mono-2.0-bdwgc) mono_jit_runtime_invoke (at C:/build/output/Unity-Technologies/mono/mono/mini/mini-runtime.c:3445)
0x00007ffb8c678874 (mono-2.0-bdwgc) do_runtime_invoke (at C:/build/output/Unity-Technologies/mono/mono/metadata/object.c:3068)
0x00007ffb8c678960 (mono-2.0-bdwgc) mono_runtime_invoke (at C:/build/output/Unity-Technologies/mono/mono/metadata/object.c:3115)
0x00007ffb99d9aa44 (Unity) scripting_method_invoke
0x00007ffb99d72fe3 (Unity) ScriptingInvocation::Invoke
0x00007ffb99d6e6e5 (Unity) ScriptingInvocation::Invoke<void>
0x00007ffb99eff05f (Unity) Scripting::UnityEngine::Rendering::BatchRendererGroupProxy::InvokeOnPerformCulling
0x00007ffb996ce661 (Unity) BatchRendererGroup::OnBeforeCulling
After years, this is still an issue.
nalex66
May 22, 2024 15:11
I get this warning constantly when Timelines are running. I'm using the latest LTS (2022.3.29f1), but this has gone on since I started using Timelines over a year ago in 2021 LTS.
StaceyFreeland
Apr 09, 2022 17:07
I have this exact issue