Description

This is a common crash occurring for users in the 4.15 and 4.16 releases. It seems related to rendering movies in Sequencer, but additional information is currently unavailable. A log file is attached.

User Descriptions

  • i was trying to render my video
  • Rendering movie with AO. 10 imagws rendered as white and trees were pale green

Source Context

 1795       		// Some tasks can only be done once we finish all scenes/viewports
 1796 ***** 		GetRendererModule().PostRenderAllViewports();
 1797       	}
 1798       
 1799       	ISourceControlModule::Get().Tick();
 1800       	ILocalizationServiceModule::Get().Tick();
 1801       
 1802       	if( FSlateThrottleManager::Get().IsAllowingExpensiveTasks() )
 1803       	{
 1804       		for (auto ContextIt = WorldList.CreateIterator(); ContextIt; ++ContextIt)
 1805       		{
 1806       			FWorldContext &PieContext = *ContextIt;
 1807       			if (PieContext.WorldType != EWorldType::PIE)
 1808       			{
 1809       				continue;
 1810       			}
Steps to Reproduce

repro steps currently unknown. Appears to be related to rendering movies in Sequencer

Callstack
Access violation - code c0000005 (first/second chance not available)

UE4Editor_UnrealEd!UEditorEngine::Tick() [editorengine.cpp:1797]
UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [unrealedengine.cpp:386]
UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3119]
UE4Editor!GuardedMain() [launch.cpp:166]
UE4Editor!GuardedMainWrapper() [launchwindows.cpp:134]
UE4Editor!WinMain() [launchwindows.cpp:210]
UE4Editor!__scrt_common_main_seh() [exe_common.inl:253]
kernel32!BaseThreadInitThunk()
ntdll!RtlUserThreadStart()

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Fixed
ComponentUE - Anim - Sequencer
Affects Versions4.154.16
Target Fix4.17
Fix Commit3473670
Main Commit3567077
CreatedJun 22, 2017
ResolvedJun 22, 2017
UpdatedApr 27, 2018