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Won't Fix
Votes
0
Found in
2018.4
2019.4
2019.4.8f1
2020.1
2020.2
Issue ID
1276002
Regression
No
Crash on DualThreadAllocator<DynamicHeapAllocator>::Allocate when calling AssetDatabase.SaveAssets()
How to reproduce:
1. Open attached project "Case_1276002"
2. In the project window select "ModuleDataSet/ModuleDataSet.asset"
3. Make sure "Module Prefab" is set to "MineModules" in the inspector
4. Click "Create module data" in the Inspector
Reproducible with: 2018.4.28f1, 2019.4.12f1, 2020.1.8f1, 2020.2.0b6
First lines of the stack trace:
0x00007ff7c637bc44 (Unity) DualThreadAllocator<DynamicHeapAllocator>::Allocate
0x00007ff7c63632c5 (Unity) MemoryManager::Allocate
0x00007ff7c636319c (Unity) MemoryManager::Allocate
0x00007ff7c636319c (Unity) MemoryManager::Allocate
0x00007ff7c6369f02 (Unity) MemoryManager::ReallocateFallbackToAllocateDeallocate
Notes: uses up memory until it locks the machine up for a while
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Resolution Note (2021.1.X):
The issue is caused by the fan out of the recursive serialization by value which runs out of memory before hitting the serialization depth limit. To correctly handle this case using [SerializeReference] on the list of neighbors would do the trick and allow for quick serialization/deserialization.