Unreal Engine Issues

UE-30447

OSVR fatal error while playing in -game

OSVR fatal error while playing in -game

Description

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

About 1/6th of the time I'd start a -game instance and go in to stereo on the OSVR, the game would seemingly just close itself. I say close as opposed to crash, since crash reporter was never summoned, but in the log there IS a fatal error.

Steps to Reproduce

Repro rate: 1/6

  1. Set up OSVR
  2. Start OSVR_Server
  3. Run Ue4Editor.exe QAGAME Tm-VRSmoke -game -vr
  4. Play for a minute or two while it renders in stereoscopic on the OSVR
Callstack
[2016.05.06-15.41.53:115][  2]LogRenderer: Reallocating scene render targets to support 1920x1080 (Frame:2).
[2016.05.06-15.41.55:381][132]LogWindows:Error: === Critical error: ===
[2016.05.06-15.41.55:381][132]LogWindows:Error: 
[2016.05.06-15.41.55:381][132]LogWindows:Error: Fatal error!
[2016.05.06-15.41.55:381][132]LogWindows:Error: 
[2016.05.06-15.41.55:382][132]LogWindows:Error: 
[2016.05.06-15.41.55:403][132]LogExit: Executing StaticShutdownAfterError
[2016.05.06-15.41.55:405][132]LogStats: FPlatformStackWalk::StackWalkAndDump -  0.000 s
[2016.05.06-15.41.55:405][132]LogOutputDevice:Warning: === Handled ensure: ===
[2016.05.06-15.41.55:405][132]LogOutputDevice:Warning: 
[2016.05.06-15.41.55:405][132]LogOutputDevice:Warning: Ensure condition failed: WorldMappings.Num() == 0 [File:d:\Dev-VR\Engine\Source\Runtime\Engine\Private\PhysicsEngine2D\Box2DIntegration.cpp] [Line: 315]
[2016.05.06-15.41.55:406][132]LogOutputDevice:Warning: You have some worlds hanging around. Is this a hard shutdown or did the world destroy delegate not fire?
[2016.05.06-15.41.55:406][132]LogOutputDevice:Warning: Stack: 
[2016.05.06-15.41.55:406][132]LogOutputDevice:Warning: 
[2016.05.06-15.41.55:406][132]LogOutputDevice:Warning: 
[2016.05.06-15.41.55:407][132]LogStats:                SubmitErrorReport -  0.000 s
[2016.05.06-15.41.55:407][132]LogStats:                    SendNewReport -  0.000 s
[2016.05.06-15.41.55:407][132]LogStats:             FDebug::EnsureFailed -  0.003 s
[2016.05.06-15.41.55:410][132]LogWindows: FPlatformMisc::RequestExit(1)
[2016.05.06-15.41.55:411][132]Log file closed, 05/06/16 08:41:55

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Cannot Reproduce
ComponentUE - Platform - XR
Affects Versions4.12, 4.13
Target Fix4.13
CreatedMay 6, 2016
ResolvedJul 20, 2016
UpdatedSep 16, 2019
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