I am trying to run UnrealEngine4 on Linux but always get errors before the Engine crashes if i try to build the lighting:
Timed out waiting for the recipient (TimeWaitingSec = 60.011797)
[2019.10.11-19.28.21:777] 0]LogInit: Error: Timed out waiting for the recipient (TimeWaitingSec = 60.011797)
…
[2019.10.11-19.29.21:862] 0]LogInit: Error: Timed out waiting for the recipient (TimeWaitingSec = 60.011943)
Assertion failed: CurrentThread == GetCurrentThread() [File:/home/user0/gre/sa/UnrealEngine/Engine/Source/Runtime/Core/Private/Async/TaskGraph.cpp] [Line: 1404]
Assertion failed: CurrentThread == GetCurrentThread() [File:/home/user0/gre/sa/UnrealEngine/Engine/Source/Runtime/Core/Private/Async/TaskGraph.cpp] [Line: 1404]
Assertion failed: CurrentThread == GetCurrentThread() [File:/home/user0/gre/sa/UnrealEngine/Engine/Source/Runtime/Core/Private/Async/TaskGraph.cpp] [Line: 1404]
Assertion failed: CurrentThread == GetCurrentThread() [File:/home/user0/gre/sa/UnrealEngine/Engine/Source/Runtime/Core/Private/Async/TaskGraph.cpp] [Line: 1404]
[2019.10.11-19.29.22:677][229]LogLinux: Scale at X=0.000000, Y=0.000000: 1.000000 (monitor=#1, HDPI=106.387436 (horz scale: 1.108202), VDPI=106.325584 (vert scale: 1.107558))
[2019.10.11-19.29.22:677][229]LogLinux: Scale at X=2440.000000, Y=525.000000: 1.000000 (monitor=#0, HDPI=90.025314 (horz scale: 0.937764), VDPI=90.101349 (vert scale: 0.938556))
[2019.10.11-19.29.22:677][229]LogLinux: Scale at X=2440.000000, Y=525.000000: 1.000000 (monitor=#0, HDPI=90.025314 (horz scale: 0.937764), VDPI=90.101349 (vert scale: 0.938556))
[2019.10.11-19.29.23:292][229]LogLinux: Setting swap interval to ‘Immediate’
[2019.10.11-19.29.23:296][229]LogLinux: Setting swap interval to ‘Immediate’
[2019.10.11-19.29.23:423][229]LogOutputDevice: Warning:
Script Stack (0 frames):
Assertion failed: TaskDataArray.Num() == Exporter->VolumetricLightmapTaskGuids.Num() [File:/home/user0/gre/sa/UnrealEngine/Engine/Source/Editor/UnrealEd/Private/Lightmass/ImportVolumetricLightmap.cpp] [Line: 956]
Import Volumetric Lightmap failed: Expected 64 tasks, only found 0
[2019.10.11-19.29.23:897][229]LogCore: Error: appError called: Assertion failed: TaskDataArray.Num() == Exporter->VolumetricLightmapTaskGuids.Num() [File:/home/user0/gre/sa/UnrealEngine/Engine/Source/Editor/UnrealEd/Private/Lightmass/ImportVolumetricLightmap.cpp] [Line: 956]
Import Volumetric Lightmap failed: Expected 1872041856 tasks, only found 1898108044
Signal 11 caught.
Malloc Size=65538 LargeMemoryPoolOffset=65554
I tried it on Arch Linux and Debian and i dont find any working solutions to this on the Internet but it seems that the problem is quite common.