Unreal Engine Issues

UE-30442

OSVR crashes UE4 on exit of -game -vr

OSVR crashes UE4 on exit of -game -vr

Developer Notes

This issue has been closed as 'Won't Fix' due to an extended period of time without updates. If this issue is important to you please let us know by posting on the AnswerHub or UDN, and Epic will re-open the ticket for further review.

Description

Found on: //UE4/Dev-VR CL-2967563

Sometimes (3/5), when exiting -game -vr with the OSVR running, UE4 will crash.

Steps to Reproduce

Repro rate: 3/5

  1. Set up OSVR
  2. Start OSVR_Server
  3. Run Ue4Editor.exe QAGAME Tm-VRSMOKE -game -vr
  4. Open the console (~)
  5. Enter the "Exit" command.
Callstack
Assertion failed: ModuleInfo.Module.IsUnique() [File:d:\Dev-VR\Engine\Source\Runtime\Core\Private\Modules\ModuleManager.cpp] [Line: 545] 

UE4Editor_Core!FDebug::AssertFailed() [d:\dev-vr\engine\source\runtime\core\private\misc\outputdevice.cpp:397]
UE4Editor_Core!FModuleManager::UnloadModule() [d:\dev-vr\engine\source\runtime\core\private\modules\modulemanager.cpp:545]
UE4Editor_Core!FModuleManager::UnloadModulesAtShutdown() [d:\dev-vr\engine\source\runtime\core\private\modules\modulemanager.cpp:669]
UE4Editor!FEngineLoop::Exit() [d:\dev-vr\engine\source\runtime\launch\private\launchengineloop.cpp:2439]
UE4Editor!GuardedMain() [d:\dev-vr\engine\source\runtime\launch\private\launch.cpp:159]
UE4Editor!GuardedMainWrapper() [d:\dev-vr\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() [d:\dev-vr\engine\source\runtime\launch\private\windows\launchwindows.cpp:200]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:255]
kernel32
ntdll

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Won't Fix
ComponentUE - Platform - XR
Affects Versions4.12, 4.13
CreatedMay 6, 2016
ResolvedApr 3, 2017
UpdatedSep 16, 2019
View Jira Issue