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Fixed in 2021.2.X

Fixed in 2020.3.X, 2021.1.X

Votes

0

Found in

2020.1.11f1

2020.3

2021.1

Issue ID

1295072

Regression

Yes

Built player takes multiple seconds to shut down

Mono

-

Reproduction steps:
1. Open the attached "case_1295072.zip" project
2. Build and Run the SampleScene
3. Close the build

Expected result: build closes immediately
Actual result: build closes in ~2 seconds

Reproducible with: 2020.1.11f1, 2020.3.0f1, 2021.1.0b3
Not reproducible with: 2018.4.32f1, 2020.1.10f1

Note: It gets stuck at this callstack for 2 seconds:

ntdll.dll!ZwWaitForAlertByThreadId
ntdll.dll!RtlSleepConditionVariableCS
KernelBase.dll!SleepConditionVariableCS
mono-2.0-bdwgc.dll!threads_wait_pending_joinable_threads
mono-2.0-bdwgc.dll!mono_thread_cleanup
mono-2.0-bdwgc.dll!mono_runtime_cleanup
mono-2.0-bdwgc.dll!mini_cleanup
UnityPlayer.dll!CleanupMono
UnityPlayer.dll!PlayerCleanup
UnityPlayer.dll!DoQuit
UnityPlayer.dll!PlayerMainWndProc
...

  1. Response avatar

    Resolution Note (fix version 2021.2):

    Fixed in 2021.2.0a1

    Fixed issue where mono boehm shutdown would wait a full 2 seconds for threads to detach/join/end before ending the process.

  2. Response avatar

    Resolution Note (fix version 2021.1):

    Fixed in 2021.1.0b4

  3. Response avatar

    Resolution Note (fix version 2020.3):

    Fixed in: 2020.3.6f1

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