This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Based on the affected project names, this crash seems common to VR related projects.
Source Context
136 TArray<FWidgetAndPointer> FHittestGrid::GetBubblePath(FVector2D DesktopSpaceCoordinate, float CursorRadius, bool bIgnoreEnabledStatus) 137 { 138 //grab the radius, and if we are non-zero 139 const bool bDirectTestingOnly = (CursorRadius <= 0.0f); 140 141 //calculate the cursor position in the grid 142 const FVector2D CursorPositionInGrid = DesktopSpaceCoordinate - GridOrigin; 143 144 ***** if (WidgetsCachedThisFrame->Num() > 0 && Cells.Num() > 0) 145 { 146 //grab the path for direct testing first 147 FGridTestingParams DirectTestingParams; 148 DirectTestingParams.CursorPositionInGrid = CursorPositionInGrid; 149 DirectTestingParams.CellCoord = GetCellCoordinate(CursorPositionInGrid); 150 DirectTestingParams.Radius = 0.0f; 151 DirectTestingParams.bTestWidgetIsInteractive = false; 152 153 const FWidgetPathAndDist DirectBubblePathInfo = GetWidgetPathAndDist(DirectTestingParams, bIgnoreEnabledStatus);
repro steps currently unknown
Access violation - code c0000005 (first/second chance not available) UE4Editor_SlateCore!FHittestGrid::GetBubblePath() [hittestgrid.cpp:145] UE4Editor_Slate!FSlateApplication::LocateWidgetInWindow() [slateapplication.cpp:1871] UE4Editor_Slate!FSlateApplication::LocateWindowUnderMouse() [slateapplication.cpp:1163] UE4Editor_Slate!FSlateApplication::ProcessMouseMoveEvent() [slateapplication.cpp:5957] UE4Editor_Slate!FSlateApplication::SynthesizeMouseMove() [slateapplication.cpp:3925] UE4Editor_Slate!FSlateApplication::TickApplication() [slateapplication.cpp:1718] UE4Editor_Slate!FSlateApplication::Tick() [slateapplication.cpp:1595] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3378] 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()
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-51720 in the post.
| 1 |
| Component | UE - Editor - UI Systems - Slate |
|---|---|
| Affects Versions | 4.18 |
| Target Fix | 4.19 |
| Created | Oct 27, 2017 |
|---|---|
| Resolved | Oct 30, 2017 |
| Updated | Sep 16, 2019 |