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!
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<FRHICommandDrawIndexedPrimitive, FRHICommandDrawIndexedPrimitiveString1033>::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<FRHICommandWaitForAndSubmitSubList, FRHICommandWaitForAndSubmitSubListString1074>::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<FBaseGraphTask*, TSizedDefaultAllocator<32> >&, 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)
.