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108 #endif 109 void* NewPtr = NULL; 110 #if PLATFORM_MAC 111 // macOS expects all allocations to be aligned to 16 bytes, but TBBs default alignment is 8, so on Mac we always have to use scalable_aligned_realloc 112 Alignment = AlignArbitrary(FMath::Max((uint32)16, Alignment), (uint32)16); 113 NewPtr = scalable_aligned_realloc(Ptr, NewSize, Alignment); 114 #else 115 if (Alignment != DEFAULT_ALIGNMENT) 116 { 117 Alignment = FMath::Max(NewSize >= 16 ? (uint32)16 : (uint32)8, Alignment); 118 NewPtr = scalable_aligned_realloc(Ptr, NewSize, Alignment); 119 } 120 else 121 { 122 ***** NewPtr = scalable_realloc(Ptr, NewSize); 123 }
No known steps to reproduce
Access violation - code c0000005 (first/second chance not available) UE4Editor_Core!rml::internal::ExtMemoryPool::initTLS() UE4Editor_Core!scalable_realloc() UE4Editor_Core!FMallocTBB::Realloc() [malloctbb.cpp:123] UE4Editor_Core!FMemory::Realloc() [fmemory.inl:48] UE4Editor_SlateRHIRenderer!TArray<FSceneView const * __ptr64,FDefaultAllocator>::ResizeGrow() [array.h:2452] UE4Editor_SlateRHIRenderer!CreateSceneView() [slaterhirenderingpolicy.cpp:238] UE4Editor_SlateRHIRenderer!FSlateRHIRenderingPolicy::DrawElements() [slaterhirenderingpolicy.cpp:331] UE4Editor_SlateRHIRenderer!FSlateRHIRenderer::DrawWindow_RenderThread() [slaterhirenderer.cpp:770] UE4Editor_SlateRHIRenderer!TGraphTask<TEnqueueUniqueRenderCommandType<`FSlateRHIRenderer::DrawWindows_Private'::`29'::SlateDrawWindowsCommandName,<lambda_43e86ee7c51f39979e9a39d40b280024> > >::ExecuteTask() [taskgraphinterfaces.h:829] UE4Editor_Core!FNamedTaskThread::ProcessTasksNamedThread() [taskgraph.cpp:665] UE4Editor_Core!FNamedTaskThread::ProcessTasksUntilQuit() [taskgraph.cpp:574] UE4Editor_RenderCore!RenderingThreadMain() [renderingthread.cpp:331] UE4Editor_RenderCore!FRenderingThread::Run() [renderingthread.cpp:465] UE4Editor_Core!FRunnableThreadWin::Run() [windowsrunnablethread.cpp:76]
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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-55312 in the post.
2 |
Component | UE - Graphics Features |
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Affects Versions | 4.17, 4.19 |
Target Fix | 4.21 |
Created | Feb 17, 2018 |
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Resolved | Nov 5, 2018 |
Updated | Dec 11, 2018 |