# Crash for LiDAR Point Cloud Plugin of UE4.27.2 **URL:** \ **Category:** ARK: Survival Evolved\ **Tags:** Ark:-Survival-Evolved, bug-report\ **Created:** [August 9, 2022, 3:00am UTC](https://forums.unrealengine.com/t/crash-for-lidar-point-cloud-plugin-of-ue4-27-2/624384 "2022-08-09T03:00:41Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![uranus\_guan](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@uranus\_guan](https://forums.unrealengine.com/u/uranus_guan)\ **Post date:** [August 9, 2022, 3:00am UTC](https://forums.unrealengine.com/t/crash-for-lidar-point-cloud-plugin-of-ue4-27-2/624384/1 "2022-08-09T03:00:41Z")
I install UE4.27.2 on ubuntu18.04 with nvidia driver 515.65.01. When I drag the point cloud to viewport. A crash occur. I am confused with this. How can I solved it? Could someone know how to fix it? Thank you very much! ![Screenshot from 2022-08-08 20-23-07](https://d3kjluh73b9h9o.cloudfront.net/original/4X/0/2/9/029608b2e8192a6bdad54ab378ccc4062151dfbe.jpeg) the errors is as follows: LoginId:2b4adf1857954877b19f2dc8724de40d-000003e8 EpicAccountId: Caught signal 11 Segmentation fault libnvidia-glcore.so.470.141.03!UnknownFunction(0x11fc193) libnvidia-glcore.so.470.141.03!UnknownFunction(0x11fda90) libUE4Editor-VulkanRHI.so!bool FVulkanGraphicsPipelineDescriptorState::InternalUpdateDescriptorSets(FVulkanCommandListContext\*, FVulkanCmdBuffer\*) [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/VulkanRHI/Private/VulkanPipelineState.cpp:341] libUE4Editor-VulkanRHI.so!FVulkanPendingGfxState::PrepareForDraw(FVulkanCmdBuffer\*) [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/VulkanRHI/Private/VulkanPendingState.cpp:416] libUE4Editor-VulkanRHI.so!FVulkanCommandListContext::RHIDrawIndexedPrimitive(FRHIIndexBuffer\*, int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int) [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/VulkanRHI/Private/VulkanCommands.cpp:694] libUE4Editor-RHI.so!FRHICommandDrawIndexedPrimitive::Execute(FRHICommandListBase&) [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/RHI/Public/RHICommandListCommandExecutes.inl:214] libUE4Editor-Engine.so!FRHICommand\::ExecuteAndDestruct(FRHICommandListBase&, FRHICommandListDebugContext&) [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/RHI/Public/RHICommandList.h:765] libUE4Editor-RHI.so!FRHICommandListExecutor::ExecuteInner\_DoExecute(FRHICommandListBase&) [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/RHI/Private/RHICommandList.cpp:372] libUE4Editor-RHI.so!FRHICommandListExecutor::ExecuteInner(FRHICommandListBase&) [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/RHI/Private/RHICommandList.cpp:657] libUE4Editor-RHI.so!FRHICommandListExecutor::ExecuteList(FRHICommandListBase&) [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/RHI/Private/RHICommandList.cpp:681] libUE4Editor-RHI.so!FRHICommandListBase::~FRHICommandListBase() [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/RHI/Private/RHICommandList.cpp:922] libUE4Editor-RHI.so!FRHICommandWaitForAndSubmitSubList::Execute(FRHICommandListBase&) [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/RHI/Private/RHICommandList.cpp:1108] libUE4Editor-RHI.so!FRHICommand\::ExecuteAndDestruct(FRHICommandListBase&, FRHICommandListDebugContext&) [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/RHI/Public/RHICommandList.h:765] libUE4Editor-RHI.so!FRHICommandListExecutor::ExecuteInner\_DoExecute(FRHICommandListBase&) [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/RHI/Private/RHICommandList.cpp:372] libUE4Editor-RHI.so!FExecuteRHIThreadTask::DoTask(ENamedThreads::Type, TRefCountPtr const&) [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/RHI/Private/RHICommandList.cpp:427] libUE4Editor-RHI.so!TGraphTask::ExecuteTask(TArray\ \>&, ENamedThreads::Type) [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/Core/Public/Async/TaskGraphInterfaces.h:886] libUE4Editor-Core.so!FNamedTaskThread::ProcessTasksNamedThread(int, bool) [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/Core/Private/Async/TaskGraph.cpp:710] libUE4Editor-Core.so!FNamedTaskThread::ProcessTasksUntilQuit(int) [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/Core/Private/Async/TaskGraph.cpp:601] libUE4Editor-RenderCore.so!FRHIThread::Run() [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/RenderCore/Private/RenderingThread.cpp:319] libUE4Editor-Core.so!FRunnableThreadPThread::Run() [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/Core/Private/HAL/PThreadRunnableThread.cpp:25] libUE4Editor-Core.so!FRunnableThreadPThread::\_ThreadProc(void\*) [/home/nonlinear/UnrealEngine-4.27.2-release/Engine/Source/Runtime/Core/Private/HAL/PThreadRunnableThread.h:185] libpthread.so.0!UnknownFunction(0x76da) libc.so.6!clone(+0x3e) ---
**Author:** ![EngineGears](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@EngineGears](https://forums.unrealengine.com/u/EngineGears)\ **Post date:** [December 26, 2022, 11:51am UTC](https://forums.unrealengine.com/t/crash-for-lidar-point-cloud-plugin-of-ue4-27-2/624384/2 "2022-12-26T11:51:14Z")
The errors indicate you are running Nvidia driver 470.141.03 nvidia-smi command will report the driver version you are using as will running the nvidia-settings gui. I’m getting a similar error and contemplating how I might best upgrade to a newer driver not yet supported by my distro ☹ . ---
**Author:** ![uranus\_guan](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@uranus\_guan](https://forums.unrealengine.com/u/uranus_guan)\ **Post date:** [January 2, 2023, 5:07am UTC](https://forums.unrealengine.com/t/crash-for-lidar-point-cloud-plugin-of-ue4-27-2/624384/3 "2023-01-02T05:07:53Z")
Thank you very much! ---
**Author:** ![yanggggg0614112](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@yanggggg0614112](https://forums.unrealengine.com/u/yanggggg0614112)\ **Post date:** [May 31, 2024, 3:12pm UTC](https://forums.unrealengine.com/t/crash-for-lidar-point-cloud-plugin-of-ue4-27-2/624384/4 "2024-05-31T15:12:09Z")
Have you resolved the problem?? I encounter the same issue…