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Fixed in 2019.3.X

Fixed in 2018.4.X, 2019.1.X, 2019.2.X



Found in


Issue ID




Crash on SimulationCallbackReceiver::onContact when objects are destructing



How to reproduce:
1. Open attached Unity project
2. Enter the Play moe
3. Move player
-- Editor will crash on SimulationCallbackReceiver::onContact after few seconds

Reproduced with: 2019.1.0a13, 2018.3.1f1

Note: Can't test on 2018.2 and 2017.4 because of errors.


0x00007FF706CE6D1C (Unity) SimulationCallbackReceiver::onContact
0x00007FF7079BFAB4 (Unity) physx::Sc::Scene::fireQueuedContactCallbacks
0x00007FF707961567 (Unity) physx::NpScene::fetchResults
0x00007FF706A4AA4C (Unity) PhysicsManager::Simulate
0x00007FF706A4637E (Unity) `PhysicsManager::InitializeClass'::`2'::FixedUpdatePhysicsFixedUpdateRegistrator::Forward
0x00007FF706626EA8 (Unity) ExecutePlayerLoop
0x00007FF706626F86 (Unity) ExecutePlayerLoop
0x00007FF70662BBE0 (Unity) PlayerLoop
0x00007FF705363390 (Unity) PlayerLoopController::UpdateScene
0x00007FF705360418 (Unity) Application::TickTimer
0x00007FF70561E843 (Unity) MainMessageLoop
0x00007FF7056281E7 (Unity) WinMain
0x00007FF707F2D40E (Unity) __scrt_common_main_seh
0x00007FFE2ECF3034 (KERNEL32) BaseThreadInitThunk
0x00007FFE31583691 (ntdll) RtlUserThreadStart

Fixed in: 2019.3.0a2.

Comments (1)

  1. hww

    Mar 14, 2019 14:54

    We see perhaps the same problem with our application, using Unity 2018.3.8. The exception thread stack trace looks like this:

    Thread 1 (Thread 0x7f57d3ef6b80 (LWP 8085)):
    #0 0x00007f57d2dcaeb0 in waitpid () from /lib64/
    #1 0x00007f57b1ef2323 in ?? () from /space/crane/crane-20190312/crane-20190312_Data/MonoBleedingEdge/x86_64/
    #2 <signal handler called>
    #3 0x00007f57d2a3f860 in raise () from /lib64/
    #4 0x00007f57d2a4142f in abort () from /lib64/
    #5 0x000000000156f7f6 in HandleSignal ()
    #6 0x00007f57b1f6b8e2 in ?? () from /space/crane/crane-20190312/crane-20190312_Data/MonoBleedingEdge/x86_64/
    #7 0x00007f57b1e78ecc in ?? () from /space/crane/crane-20190312/crane-20190312_Data/MonoBleedingEdge/x86_64/
    #8 <signal handler called>
    #9 0x0000000000000000 in ?? ()
    #10 0x0000000000953fb3 in onContact ()
    #11 0x0000000001ffc8f2 in physx::Sc::Scene::fireQueuedContactCallbacks (this=this@entry=0x73c3470, asPartOfFlush=asPartOfFlush@entry=false) at ./PhysX/Source/SimulationController/src/ScScene.cpp:4501
    #12 0x0000000001fa44ae in physx::Scb::Scene::fireQueuedContactCallbacks (this=0x73c3460) at PhysX/Source/PhysX/src/buffering/ScbScene.h:265
    #13 physx::NpScene::fetchResults (this=0x73c3450, block=<optimized out>, errorState=0x0) at ./PhysX/Source/PhysX/src/NpScene.cpp:2334
    #14 0x0000000000912416 in PhysicsManager::Simulate ()
    #15 0x0000000000912975 in Forward ()
    #16 0x00000000012fb862 in ExecutePlayerLoop ()
    #17 0x00000000012fb958 in ExecutePlayerLoop ()
    #18 0x0000000001301915 in PlayerLoop ()
    #19 0x00000000004d9c1f in main ()

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