I have installed UE 4.26.1 successfully on Ubuntu 20.10,but when i try to run the Editor,it initializes everything but then crashes right b4 opening the Project Manager and gives the following report.
The Report :
Fatal error: [File:/home//UnrealEngine/Engine/Source/Runtime/VulkanRHI/Private/VulkanUtil.cpp] [Line: 803] VulkanRHI::vkQueueSubmit(Queue, 1, &SubmitInfo, Fence->GetHandle()) failed, VkResult=-4 at /home//UnrealEngine/Engine/Source/Runtime/VulkanRHI/Private/VulkanQueue.cpp:71 with error VK_ERROR_DEVICE_LOST 0x00007fdf04bf155f libUE4Editor-VulkanRHI.so!VulkanRHI::VerifyVulkanResult(VkResult, char const*, char const*, unsigned int) [/home//UnrealEngine/Engine/Source/Runtime/VulkanRHI/Private/VulkanUtil.cpp:802] 0x00007fdf04bc8698 libUE4Editor-VulkanRHI.so!FVulkanQueue::Submit(FVulkanCmdBuffer*, unsigned int, VkSemaphore_T**) [/home//UnrealEngine/Engine/Source/Runtime/VulkanRHI/Private/VulkanQueue.cpp:71] 0x00007fdf04b6002a libUE4Editor-VulkanRHI.so!FVulkanCommandBufferManager::SubmitUploadCmdBuffer(unsigned int, VkSemaphore_T**) [/home//UnrealEngine/Engine/Source/Runtime/VulkanRHI/Private/VulkanCommandBuffer.cpp:547] 0x00007fdf04c297f1 libUE4Editor-VulkanRHI.so!FVulkanSurface::InternalLockWrite(FVulkanCommandListContext&, FVulkanSurface*, VkImageSubresourceRange const&, VkBufferImageCopy const&, VulkanRHI::FStagingBuffer*) [/home//UnrealEngine/Engine/Source/Runtime/VulkanRHI/Private/VulkanTexture.cpp:170] 0x00007fdf04c32857 libUE4Editor-VulkanRHI.so!FRHICommand::ExecuteAndDestruct(FRHICommandListBase&, FRHICommandListDebugContext&) [/home//UnrealEngine/Engine/Source/Runtime/RHI/Public/RHICommandList.h:763] 0x00007fdf4fde465e libUE4Editor-RHI.so!FRHICommandListExecutor::ExecuteInner_DoExecute(FRHICommandListBase&) [/home//UnrealEngine/Engine/Source/Runtime/RHI/Private/RHICommandList.cpp:373] 0x00007fdf4fe641c6 libUE4Editor-RHI.so!FExecuteRHIThreadTask::DoTask(ENamedThreads::Type, TRefCountPtr const&) [/home//UnrealEngine/Engine/Source/Runtime/RHI/Private/RHICommandList.cpp:428] 0x00007fdf4fe63832 libUE4Editor-RHI.so!TGraphTask::ExecuteTask(TArray >&, ENamedThreads::Type) [/home//UnrealEngine/Engine/Source/Runtime/Core/Public/Async/TaskGraphInterfaces.h:886] 0x00007fdf556309bc libUE4Editor-Core.so!FNamedTaskThread::ProcessTasksNamedThread(int, bool) [/home//UnrealEngine/Engine/Source/Runtime/Core/Private/Async/TaskGraph.cpp:709] 0x00007fdf5562f0be libUE4Editor-Core.so!FNamedTaskThread::ProcessTasksUntilQuit(int) [/home//UnrealEngine/Engine/Source/Runtime/Core/Private/Async/TaskGraph.cpp:600] 0x00007fdf500204bd libUE4Editor-RenderCore.so!FRHIThread::Run() [/home//UnrealEngine/Engine/Source/Runtime/RenderCore/Private/RenderingThread.cpp:319] 0x00007fdf556e0867 libUE4Editor-Core.so!FRunnableThreadPThread::Run() [/home//UnrealEngine/Engine/Source/Runtime/Core/Private/HAL/PThreadRunnableThread.cpp:25] 0x00007fdf556a4c33 libUE4Editor-Core.so!FRunnableThreadPThread::_ThreadProc(void*) [/home//UnrealEngine/Engine/Source/Runtime/Core/Private/HAL/PThreadRunnableThread.h:185] 0x00007fdf56026590 libpthread.so.0!UnknownFunction(0x958f) 0x00007fdf4ca3f223 libc.so.6!clone(+0x42)
libUE4Editor-Core.so!FGenericPlatformMisc::RaiseException(unsigned int) [/home//UnrealEngine/Engine/Source/Runtime/Core/Private/GenericPlatform/GenericPlatformMisc.cpp:472]
libUE4Editor-Core.so!FOutputDevice::LogfImpl(char16_t const*, …) [/home//UnrealEngine/Engine/Source/Runtime/Core/Private/Misc/OutputDevice.cpp:61]
libUE4Editor-VulkanRHI.so!VulkanRHI::VerifyVulkanResult(VkResult, char const*, char const*, unsigned int) [/home//UnrealEngine/Engine/Source/Runtime/VulkanRHI/Private/VulkanUtil.cpp:802]
libUE4Editor-VulkanRHI.so!FVulkanQueue::Submit(FVulkanCmdBuffer*, unsigned int, VkSemaphore_T**) [/home//UnrealEngine/Engine/Source/Runtime/VulkanRHI/Private/VulkanQueue.cpp:71]
libUE4Editor-VulkanRHI.so!FVulkanCommandBufferManager::SubmitUploadCmdBuffer(unsigned int, VkSemaphore_T**) [/home//UnrealEngine/Engine/Source/Runtime/VulkanRHI/Private/VulkanCommandBuffer.cpp:547]
libUE4Editor-VulkanRHI.so!FVulkanSurface::InternalLockWrite(FVulkanCommandListContext&, FVulkanSurface*, VkImageSubresourceRange const&, VkBufferImageCopy const&, VulkanRHI::FStagingBuffer*) [/home//UnrealEngine/Engine/Source/Runtime/VulkanRHI/Private/VulkanTexture.cpp:170]
libUE4Editor-VulkanRHI.so!FRHICommand::ExecuteAndDestruct(FRHICommandListBase&, FRHICommandListDebugContext&) [/home//UnrealEngine/Engine/Source/Runtime/RHI/Public/RHICommandList.h:763]
libUE4Editor-RHI.so!FRHICommandListExecutor::ExecuteInner_DoExecute(FRHICommandListBase&) [/home//UnrealEngine/Engine/Source/Runtime/RHI/Private/RHICommandList.cpp:373]
libUE4Editor-RHI.so!FExecuteRHIThreadTask::DoTask(ENamedThreads::Type, TRefCountPtr const&) [/home//UnrealEngine/Engine/Source/Runtime/RHI/Private/RHICommandList.cpp:428]
libUE4Editor-RHI.so!TGraphTask::ExecuteTask(TArray >&, ENamedThreads::Type) [/home//UnrealEngine/Engine/Source/Runtime/Core/Public/Async/TaskGraphInterfaces.h:886]
libUE4Editor-Core.so!FNamedTaskThread::ProcessTasksNamedThread(int, bool) [/home//UnrealEngine/Engine/Source/Runtime/Core/Private/Async/TaskGraph.cpp:709]
libUE4Editor-Core.so!FNamedTaskThread::ProcessTasksUntilQuit(int) [/home//UnrealEngine/Engine/Source/Runtime/Core/Private/Async/TaskGraph.cpp:600]
libUE4Editor-RenderCore.so!FRHIThread::Run() [/home//UnrealEngine/Engine/Source/Runtime/RenderCore/Private/RenderingThread.cpp:319]
libUE4Editor-Core.so!FRunnableThreadPThread::Run() [/home//UnrealEngine/Engine/Source/Runtime/Core/Private/HAL/PThreadRunnableThread.cpp:25]
libUE4Editor-Core.so!FRunnableThreadPThread::_ThreadProc(void*) [/home//UnrealEngine/Engine/Source/Runtime/Core/Private/HAL/PThreadRunnableThread.h:185]
libpthread.so.0!UnknownFunction(0x958f)
libc.so.6!clone(+0x42)
What is Going Wrong?