ArcGIS Maps SDK Crash on 5.6.1 Linux

PaulAmbrosiussen — Tue, 28 Oct 2025 13:56:14 GMT

I am getting this crash on project startup on Linux when using the ArcGIS Maps SDK on Linux for Unreal 5.6.1.

My NVIDIA driver is 575.57.08. Happens on multiple machines unfortunately.

Am I the only one, or is this a known problem?

Assertion failed: false [File:./Runtime/VulkanRHI/Private/VulkanMemory.cpp] [Line: 2640]
Unknown buffer alignment for VkBufferUsageFlags combination: 0x20003 (VK_BUFFER_USAGE_TRANSFER_SRC_BIT|VK_BUFFER_USAGE_TRANSFER_DST_BIT|VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT)

libUnrealEditor-Core.so!FDebug::CheckVerifyFailedImpl2(char const*, char const*, int, char16_t const*, ...) [/home/paul/GEOS/UnrealEngine-5.6.1-release/Engine/Source/./Runtime/Core/Private/Misc/AssertionMacros.cpp:724]
libUnrealEditor-VulkanRHI.so!VulkanRHI::CalculateBufferAlignmentFromVKUsageFlags(FVulkanDevice&, unsigned int) [/home/paul/GEOS/UnrealEngine-5.6.1-release/Engine/Source/./Runtime/VulkanRHI/Private/VulkanMemory.cpp:2640]
libUnrealEditor-VulkanRHI.so!VulkanRHI::FMemoryManager::CalculateBufferAlignment(FVulkanDevice&, EBufferUsageFlags, bool) [/home/paul/GEOS/UnrealEngine-5.6.1-release/Engine/Source/./Runtime/VulkanRHI/Private/VulkanMemory.cpp:2650]
libUnrealEditor-VulkanRHI.so!FVulkanBuffer::FVulkanBuffer(FVulkanDevice*, FRHIBufferCreateDesc const&, FRHITransientHeapAllocation const*) [/home/paul/GEOS/UnrealEngine-5.6.1-release/Engine/Source/./Runtime/VulkanRHI/Private/VulkanBuffer.cpp:133]
libUnrealEditor-VulkanRHI.so!FVulkanDynamicRHI::RHICreateBufferInitializer(FRHICommandListBase&, FRHIBufferCreateDesc const&) [/home/paul/GEOS/UnrealEngine-5.6.1-release/Engine/Source/./Runtime/VulkanRHI/Private/VulkanBuffer.cpp:439]
libUnrealEditor-ArcGISMapsSDK.so!FImageComposerPSResources::InitRHI(FRHICommandListBase&) [/home/paul/GEOS/UnrealEngine-5.6.1-release/Engine/Source/Runtime/RHI/Public/RHICommandList.h:828]
libUnrealEditor-RenderCore.so!FRenderResource::InitPreRHIResources() [/home/paul/GEOS/UnrealEngine-5.6.1-release/Engine/Source/./Runtime/RenderCore/Private/RenderResource.cpp:134]
libUnrealEditor-VulkanRHI.so!FVulkanDynamicRHI::InitInstance() [/home/paul/GEOS/UnrealEngine-5.6.1-release/Engine/Source/./Runtime/VulkanRHI/Private/VulkanRHI.cpp:1112]
libUnrealEditor-VulkanRHI.so!FVulkanDynamicRHI::Init() [/home/paul/GEOS/UnrealEngine-5.6.1-release/Engine/Source/./Runtime/VulkanRHI/Private/VulkanRHI.cpp:469]
libUnrealEditor-RHI.so!RHIInit(bool) [/home/paul/GEOS/UnrealEngine-5.6.1-release/Engine/Source/./Runtime/RHI/Private/DynamicRHI.cpp:319]
UnrealEditor!FEngineLoop::PreInitPreStartupScreen(char16_t const*) [/home/paul/GEOS/UnrealEngine-5.6.1-release/Engine/Source/./Runtime/Launch/Private/LaunchEngineLoop.cpp:2971]
UnrealEditor!GuardedMain(char16_t const*) [/home/paul/GEOS/UnrealEngine-5.6.1-release/Engine/Source/./Runtime/Launch/Private/LaunchEngineLoop.cpp:4152]
libUnrealEditor-UnixCommonStartup.so!CommonUnixMain(int, char**, int (*)(char16_t const*), void (*)()) [/home/paul/GEOS/UnrealEngine-5.6.1-release/Engine/Source/./Runtime/Unix/UnixCommonStartup/Private/UnixCommonStartup.cpp:323]
libc.so.6!UnknownFunction(0x29d8f)
libc.so.6!__libc_start_main(+0x7f)
UnrealEditor!_start [/home/paul/GEOS/UnrealEngine-5.6.1-release//Engine/Binaries/Linux/UnrealEditor:-1]

Re: ArcGIS Maps SDK Crash on 5.6.1 Linux

PaulAmbrosiussen — Tue, 28 Oct 2025 14:30:59 GMT

I can get the editor to no longer crash on startup when modifying the below two files where it crashes:

ArcGISMapsSDK/Source/ArcGISMapsSDK/Internal/ArcGISMapsSDK/Renderer/GPUComputing/NormalMapGeneratorShaders.h ArcGISMapsSDK/Source/ArcGISMapsSDK/Internal/ArcGISMapsSDK/Renderer/GPUComputing/ImageComposerShaders.h // Create vertex buffer using modern UE 5.6 API FRHIBufferCreateDesc CreateDesc = FRHIBufferCreateDesc::CreateVertex(TEXT("FNormalMapGeneratorGlobalViewModePSResources"), sizeof(FNormalMapGeneratorElementVertex) * 4); CreateDesc.SetInitActionResourceArray(&Vertices); VertexBufferRHI = RHICmdList.CreateBuffer(CreateDesc);

But then when loading a map that contains ArcGIS Maps SDK layers, I crash on:

Any other map without any ArcGIS Maps SDK components works perfectly fine.

LogVulkanRHI: Error: Result failed, VkResult=-13 at ./Runtime/VulkanRHI/Private/VulkanPipeline.cpp:1666 with error VK_ERROR_UNKNOWN LogVulkanRHI: Error: Result failed, VkResult=-13 at ./Runtime/VulkanRHI/Private/VulkanPipeline.cpp:1666 with error VK_ERROR_UNKNOWN

Re: ArcGIS Maps SDK Crash on 5.6.1 Linux

AShahbaz — Wed, 03 Dec 2025 18:56:51 GMT

Thanks for reporting this. We have included a fix for this in our new version that was released today. Please let us know if you are still having any issues.

Also, we tried the workaround that you mentioned as well and couldn't reproduce the crash after that change.

topic Re: ArcGIS Maps SDK Crash on 5.6.1 Linux in ArcGIS Maps SDK for Unreal Engine Questions

ArcGIS Maps SDK Crash on 5.6.1 Linux

Re: ArcGIS Maps SDK Crash on 5.6.1 Linux

Re: ArcGIS Maps SDK Crash on 5.6.1 Linux