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Won't Fix
Won't Fix in 2023.2.X
Votes
0
Found in
2022.2.7f1
2023.2.0a3
Issue ID
UUM-29405
Regression
Yes
Crash on alloc_handle traces when opening specific project
Reproduction steps:
1. Open the attached project “CrashRepro“
Expected result: The project opens
Actual result: Editor crashes
Reproducible with: 2022.2.0a18, 2022.2.0b6, 2022.2.3f1, 2022.2.7f1, 2023.1.0a1, 2023.2.0a3
Not reproducible with: 2020.3.44f1, 2021.3.18f1, 2022.2.0a17, 2022.2.0b7, 2022.2.2f1
Couldn’t test with: 2023.1.0a24 (Project gets stuck while loading), 2023.1.0b5 (Project gets stuck while loading)
Reproducible on: Windows 10 Home 22H2
First lines of stack trace:
{noformat}0x00007FFE6513A94C (mono-2.0-bdwgc) [C:\build\output\Unity-Technologies\mono\mono\metadata\boehm-gc.c:1718] alloc_handle
0x00007FFE65096E2A (mono-2.0-bdwgc) [C:\build\output\Unity-Technologies\mono\mono\metadata\external-only.c:84] mono_gchandle_new_weakref_v2
0x00007FF61AF3A755 (Unity) ScriptingGCHandle::Acquire
0x00007FF61AF5F29D (Unity) ManagedReferencesRegistry::TrackInstance
0x00007FF61AF10802 (Unity) SerializeTraits<RegisteredReferencedObject<0> >::Transfer<YAMLRead>
0x00007FF61AF12DCE (Unity) YAMLRead::TransferSTLStyleArray<dynamic_array<RegisteredReferencedObject<0>,0> >{noformat}
First lines of stack trace for 2022.2.0b6 and above:
{noformat}0x00007FF6765FBC61 (Unity) BRGInvocationRenderRootNode
0x00007FF6765FC590 (Unity) BRGRenderSelectionOutline
0x00007FF677674485 (Unity) RenderOutline
0x00007FF67766DFB6 (Unity) Camera::DoRenderSelected
0x00007FF677672844 (Unity) Camera::RenderEditorCamera{noformat}
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Resolution Note:
The crash is occurring because the user has used a csc.rsp file to force the C# language version to 10, which is unsupported. The C# 10 language feature they are trying to use (parameterless struct constructor) is not handled by the serialization system because the C# version is currently unsupported.
Resolution Note (2023.2.X):
The crash is occurring because the user has used a csc.rsp file to force the C# language version to 10, which is unsupported. The C# 10 language feature they are trying to use (parameterless struct constructor) is not handled by the serialization system because the C# version is currently unsupported.