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Fixed in 2020.2.X
Fixed in 2018.4.X, 2019.3.X, 2020.1.X
Votes
0
Found in
2018.4
2018.4.8f1
2019.1
2019.2
2019.3
2020.1
Issue ID
1181323
Regression
No
"AssetBundle.LoadAsset" race condition with "AssetBundle.Unload"
Reproduction steps:
1. Open "AssetLoadSample2018LTS.zip" project
2. "Expansion" -> "Build AssetBundleData"
3. Build & Run (More noticeable on Android)
4. Spam press "Load loop 10"
Expected Result: "Destroying assets is not permitted to avoid data loss."
Actual Result: "AsyncUploadManager: Failed to close file. Ensure all async operations are complete before unloading bundles."
Reproduced with: 2020.1.0a6, 2019.3.0b4, 2019.2.6f1, 2018.4.9f1, 2017.4.32f1
Rare repro as the race condition doesn't always happen
Reproduces with: IL2CPP and Mono
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Resolution Note (fix version 2020.2):
Fixed in Versions: 2018.4.24f1, 2020.1.0b9, 2020.2.0a1