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Won't Fix

Votes

1

Found in

2018.4

2018.4.3f1

Issue ID

1190908

Regression

No

[MacOS] Unity Editor crashes or freezes when performing "Step Over" in debugger

Mono

-

How to reproduce:
1. Open the "share.zip" project
2. Switch the active platform to Android
3. Select the Digit/AssetBundles/Modes/Simulation option.
4. Open the "MasterScene" scene
5. Open the "RequestDispatcher.cs" script via Rider or VScode
6. Attach a debugger to Unity
7. Enter Play Mode
8. Select Dev_F > Dev-F-18 (Open) server and press "GO"
9. Select "Create Random"
10. When the game starts, add breakpoint at line 182 of the RequestDispatcher.cs
11. Follow the tutorial steps until breakpoint gets hit
12. Force Step (Option + Shift + F8) for as much as you can (about 15 times)

Actual result: Unity hangs or crashes.

Reproducible with: 2018.4.3f1, 2018.4.13, 2018.4.14f1.
Not reproducible with: 2020.1.0a19.

Notes:
- Unity unfreezes if the debugger is disconnected.
- The crash may happen if you attach the debugger before Play Mode.
- Can't test other versions as the reproduction project is very big and complex.

  1. Response avatar

    Resolution Note:

    The crashes and freezes were due to the project using the deprecated 3.5 mono runtime. These issues have been fixed in the 4.x runtime so it is recommended to use that instead.

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