Unreal Engine Issues

UE-48732

[CrashReport] Linux crash - FVulkanCommandBufferManager::WaitForCmdBuffer

[CrashReport] Linux crash - FVulkanCommandBufferManager::WaitForCmdBuffer

Description

This is a semi-common Linux crash coming out of 4.17.1. It is spread among a few different similar callstack affecting a handful of users.

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Steps to Reproduce

repro steps currently unknown

Callstack
SIGSEGV: invalid attempt to write memory at address 0x0000000000000003

Unknown!PlatformCrashHandler()
Unknown!/lib/x86_64-linux-gnu/libpthread.so.0() [0x7f7568b:8390]
Unknown!FVulkanCommandBufferManager::WaitForCmdBuffer()
Unknown!FVulkanCommandBufferManager::SubmitUploadCmdBuffer()
Unknown!FVulkanDevice::SubmitCommandsAndFlushGPU()
Unknown!FVulkanViewport::Resize()
Unknown!/home/---/UnrealEngine/Engine/Binaries/Linux/libUE4Editor-VulkanRHI.so() [0x7f74859593b:0]
Unknown!FNamedTaskThread::ProcessTasksNamedThread()
Unknown!FNamedTaskThread::ProcessTasksUntilQuit()
Unknown!RenderingThreadMain()
Unknown!FRenderingThread::Run()
Unknown!FRunnableThreadPThread::Run()
Unknown!FRunnableThreadPThread::_ThreadProc()
Unknown!/lib/x86_64-linux-gnu/libpthread.so.0() [0x7f7568b8e6ba:0]
Unknown!/lib/x86_64-linux-gnu/libc.so.6() [0x7f755583f3dd:0]

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Fixed
ComponentUE - Graphics Features
Affects Versions4.17.1, 4.18
Target Fix4.19
CreatedAug 22, 2017
ResolvedFeb 8, 2018
UpdatedApr 12, 2018
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