This is an early trending crash coming out of the 4.17.2 hotfix, with no record of occurring previously. The callstack is very similar to [Link Removed] (fixed in 4.17.2) and may be related.
Users have not provided any descriptions of their actions when the crash occurred.
Source Context
2116 void ULandscapeInfo::RecreateLandscapeInfo(UWorld* InWorld, bool bMapCheck)
2117 {
2118 check(InWorld);
2119
2120 ULandscapeInfoMap& LandscapeInfoMap = ULandscapeInfoMap::GetLandscapeInfoMap(InWorld);
2121 LandscapeInfoMap.Modify();
2122
2123 // reset all LandscapeInfo objects
2124 for (auto& LandscapeInfoPair : LandscapeInfoMap.Map)
2125 {
2126 ULandscapeInfo* LandscapeInfo = LandscapeInfoPair.Value;
2127 ***** LandscapeInfo->Modify();
2128 LandscapeInfo->Reset();
2129 }
repro steps currently unknown
Access violation - code c0000005 (first/second chance not available) UE4Editor_Landscape!ULandscapeInfo::RecreateLandscapeInfo() [landscape.cpp:2128] UE4Editor_Landscape!ALandscapeProxy::PostEditMove() [landscapeedit.cpp:3264] UE4Editor_UnrealEd!FLevelEditorViewportClient::TrackingStopped() [leveleditorviewport.cpp:2821] UE4Editor_UnrealEd!FMouseDeltaTracker::EndTracking() [mousedeltatracker.cpp:306] UE4Editor_UnrealEd!FEditorViewportClient::StopTracking() [editorviewportclient.cpp:2447] UE4Editor_UnrealEd!FEditorViewportClient::InputKey() [editorviewportclient.cpp:2382] UE4Editor_UnrealEd!FLevelEditorViewportClient::InputKey() [leveleditorviewport.cpp:2518] UE4Editor_Engine!FSceneViewport::OnMouseButtonUp() [sceneviewport.cpp:575] UE4Editor_Slate!SViewport::OnMouseButtonUp() [sviewport.cpp:200] UE4Editor_Slate!<lambda_1002768c627006711ef2f351a87ec0e7>::operator() [slateapplication.cpp:5199] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_1002768c627006711ef2f351a87ec0e7> >() [slateapplication.cpp:232] UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [slateapplication.cpp:5188] UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [slateapplication.cpp:5690] UE4Editor_Slate!FSlateApplication::OnMouseUp() [slateapplication.cpp:5670] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1718] UE4Editor_Core!FWindowsApplication::DeferMessage() [windowsapplication.cpp:2161] UE4Editor_Core!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:881] UE4Editor_Core!FWindowsApplication::AppWndProc() [windowsapplication.cpp:721] user32!UserCallWinProcCheckWow() user32!DispatchMessageWorker() UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [windowsplatformmisc.cpp:1009] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3151] 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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| 0 |
| Component | UE - LD & Modeling - Terrain - Landscape |
|---|---|
| Affects Versions | 4.17.2 |
| Target Fix | 4.18 |
| Created | Sep 28, 2017 |
|---|---|
| Resolved | Sep 29, 2017 |
| Updated | Apr 27, 2018 |