for context, go to https://github.com/Microsoft/AirSim/issues/112#issuecomment-294418487

airsim_ue_linux_crash.md

[2017.04.17-07.58.11:128][248]BlueprintLog: New page: Pre-Play auto-recompile
[2017.04.17-07.58.11:128][248]LogPlayLevel: [PlayLevel] Compiling LandscapeMap before play...
[2017.04.17-07.58.13:639][248]LogBlueprint:Error: [Compiler PersistentLevel.LandscapeMap] Error Spawn node  SpawnActor NONE  must have a  Class  specified.
[2017.04.17-07.58.13:640][248]LogBlueprint:Warning: [Compiler PersistentLevel.LandscapeMap] Warning Could not find a variable named "bIsOutOfBounds" in 'LandscapeMap'.
Make sure 'LandscapeMap' has been compiled for  Set bIsOutOfBounds
[2017.04.17-07.58.13:640][248]LogBlueprint:Warning: [Compiler PersistentLevel.LandscapeMap] Warning Can't connect pins  Return Value  and  Object : This cast has an invalid target type (was the class deleted without a redirect?).
[2017.04.17-07.58.13:640][248]LogBlueprint:Warning: [Compiler PersistentLevel.LandscapeMap] Warning Can't connect pins  Object  and  Return Value : This cast has an invalid target type (was the class deleted without a redirect?).
[2017.04.17-07.58.13:640][248]LogBlueprint:Warning: [Compiler PersistentLevel.LandscapeMap] Warning Could not find a variable named "bIsOutOfBounds" in 'LandscapeMap'.
Make sure 'LandscapeMap' has been compiled for  Set bIsOutOfBounds
[2017.04.17-07.58.13:640][248]LogBlueprint:Warning: [Compiler PersistentLevel.LandscapeMap] Warning Can't connect pins  Return Value  and  Object : This cast has an invalid target type (was the class deleted without a redirect?).
[2017.04.17-07.58.13:640][248]LogBlueprint:Warning: [Compiler PersistentLevel.LandscapeMap] Warning Can't connect pins  Object  and  Return Value : This cast has an invalid target type (was the class deleted without a redirect?).
[2017.04.17-07.58.13:641][248]LogBlueprint:Warning: [Compiler PersistentLevel.LandscapeMap] Warning Can't connect pins  Object  and  Return Value : This cast has an invalid target type (was the class deleted without a redirect?).
[2017.04.17-07.58.13:641][248]LogBlueprint:Warning: [Compiler PersistentLevel.LandscapeMap] Warning Can't connect pins  Return Value  and  Object : This cast has an invalid target type (was the class deleted without a redirect?).
[2017.04.17-07.58.13:642][248]LogBlueprint:Error: [Compiler PersistentLevel.LandscapeMap] Error This blueprint (self) is not compatible with ' Target ', therefore that pin must have a connection.
[2017.04.17-07.58.13:642][248]LogBlueprint:Error: [Compiler PersistentLevel.LandscapeMap] Error This blueprint (self) is not compatible with ' Target ', therefore that pin must have a connection.
[2017.04.17-07.58.13:642][248]LogBlueprint:Error: [Compiler PersistentLevel.LandscapeMap] Error This blueprint (self) is not compatible with ' Target ', therefore that pin must have a connection.
[2017.04.17-07.58.13:642][248]LogBlueprint:Error: [Compiler PersistentLevel.LandscapeMap] Error This blueprint (self) is not compatible with ' Target ', therefore that pin must have a connection.
[2017.04.17-07.58.13:642][248]LogBlueprint:Error: [Compiler PersistentLevel.LandscapeMap] Error This blueprint (self) is not compatible with ' Target ', therefore that pin must have a connection.
[2017.04.17-07.58.13:643][248]LogBlueprint:Error: [Compiler PersistentLevel.LandscapeMap] Error  Using VR  : unable to determine expected signature - is the delegate pin connected?
[2017.04.17-07.58.13:643][248]LogBlueprint:Error: [Compiler PersistentLevel.LandscapeMap] Error Event Dispatcher has no property  Bind Event to Using VR
[2017.04.17-07.58.13:643][248]LogBlueprint:Error: [Compiler PersistentLevel.LandscapeMap] Error  Respawn player_Event  : unable to determine expected signature - is the delegate pin connected?
[2017.04.17-07.58.13:643][248]LogBlueprint:Error: [Compiler PersistentLevel.LandscapeMap] Error Event Dispatcher has no property  Bind Event to Respawn player
[2017.04.17-07.58.13:643][248]LogBlueprint:Error: [Compiler PersistentLevel.LandscapeMap] Error The property associated with  Is Out Of Bounds  could not be found
[2017.04.17-07.58.13:643][248]LogBlueprint:Error: [Compiler PersistentLevel.LandscapeMap] Error Event Dispatcher has no property  Call Respawn player
[2017.04.17-07.58.13:643][248]LogBlueprint:Error: [Compiler PersistentLevel.LandscapeMap] Error The property associated with  Is Out Of Bounds  could not be found
[2017.04.17-07.58.13:643][248]LogBlueprint:Error: [Compiler PersistentLevel.LandscapeMap] Error Failed to create property K2Node_CreateDelegate_OutputDelegate from  <None>  due to a bad or unknown type (Delegate)
[2017.04.17-07.58.13:644][248]LogBlueprint:Error: [Compiler PersistentLevel.LandscapeMap] Error Failed to create property K2Node_CreateDelegate_OutputDelegate2 from  <None>  due to a bad or unknown type (Delegate)
[2017.04.17-07.58.13:644][248]LogBlueprint:Error: [Compiler PersistentLevel.LandscapeMap] Error  Respawn player_Event  Signature Error: Unable to determine expected signature - is the delegate pin connected?
[2017.04.17-07.58.13:644][248]LogBlueprint:Error: [Compiler PersistentLevel.LandscapeMap] Error  Using VR  Signature Error: Unable to determine expected signature - is the delegate pin connected?
[2017.04.17-07.58.13:955][248]LogBlueprint:Warning: [Compiler PersistentLevel.LandscapeMap] Warning [0315.59] Compile of PersistentLevel.LandscapeMap failed. 17 Fatal Issue(s) 8 Warning(s) [in 2,790 ms] (/Game/Maps/LandscapeMap.LandscapeMap:PersistentLevel.LandscapeMap)
[2017.04.17-07.58.13:955][248]LogBlueprint:Warning: [Compiler PersistentLevel.LandscapeMap] Warning [0315.59] Compile of PersistentLevel.LandscapeMap failed. 17 Fatal Issue(s) 9 Warning(s) [in 0 ms] (/Game/Maps/LandscapeMap.LandscapeMap:PersistentLevel.LandscapeMap)
[2017.04.17-07.58.13:955][248]LogBlueprint:Warning: [Compiler PersistentLevel.LandscapeMap] Warning [0315.59] Compile of PersistentLevel.LandscapeMap failed. 17 Fatal Issue(s) 10 Warning(s) [in 0 ms] (/Game/Maps/LandscapeMap.LandscapeMap:PersistentLevel.LandscapeMap)
[2017.04.17-07.58.13:955][248]LogBlueprint:Warning: [Compiler PersistentLevel.LandscapeMap] Warning [0315.59] Compile of PersistentLevel.LandscapeMap failed. 17 Fatal Issue(s) 11 Warning(s) [in 0 ms] (/Game/Maps/LandscapeMap.LandscapeMap:PersistentLevel.LandscapeMap)
[2017.04.17-07.58.13:955][248]LogBlueprint:Warning: [Compiler PersistentLevel.LandscapeMap] Warning [0315.59] Compile of PersistentLevel.LandscapeMap failed. 17 Fatal Issue(s) 12 Warning(s) [in 0 ms] (/Game/Maps/LandscapeMap.LandscapeMap:PersistentLevel.LandscapeMap)
[2017.04.17-07.58.13:955][248]LogBlueprint:Warning: [Compiler PersistentLevel.LandscapeMap] Warning [0315.59] Compile of PersistentLevel.LandscapeMap failed. 17 Fatal Issue(s) 13 Warning(s) [in 0 ms] (/Game/Maps/LandscapeMap.LandscapeMap:PersistentLevel.LandscapeMap)
Signal 11 caught.
Malloc Size=131076 LargeMemoryPoolOffset=131092 
CommonLinuxCrashHandler: Signal=11
Malloc Size=65535 LargeMemoryPoolOffset=196655 
[2017.04.17-07.58.14:150][248]LogCrashTracker: 


[2017.04.17-07.58.14:151][248]LogLinux: === Critical error: ===
Unhandled Exception: SIGSEGV: invalid attempt to read memory at address 0x0000000000000002

[2017.04.17-07.58.14:151][248]LogLinux: Fatal error!

[Callstack]  00  0x00007f06177a0dbf  FLinuxPlatformStackWalk::CaptureStackBackTrace(unsigned long long*, unsigned int, void*)
[Callstack]  01  0x00007f061765b195  FGenericPlatformStackWalk::StackWalkAndDump(char*, unsigned long, int, void*)
[Callstack]  02  0x00007f0617758b71  FLinuxCrashContext::CaptureStackTrace()
[Callstack]  03  0x00007f060c786380  CommonLinuxCrashHandler(FGenericCrashContext const&)
[Callstack]  04  0x00007f061775da72  PlatformCrashHandler(int, siginfo_t*, void*)
[Callstack]  05  0x00007f061d583330  /lib/x86_64-linux-gnu/libpthread.so.0(+0x10330) [0x7f061d583330]
[Callstack]  06  0x00007f06176ecc68  FMallocBinned::Private::FreeInternal(FMallocBinned&, void*)
[Callstack]  07  0x00007f05a53e9f0a  std::__1::basic_filebuf<char, std::__1::char_traits<char> >::~basic_filebuf()
[Callstack]  08  0x00007f05a53d8d81  ASimModeWorldBase::~ASimModeWorldBase()
[Callstack]  09  0x00007f0616e2b576  IncrementalPurgeGarbage(bool, float)
[Callstack]  10  0x00007f0616e2e5ee  CollectGarbageInternal(EObjectFlags, bool)
[Callstack]  11  0x00007f0616e2f5f7  CollectGarbage(EObjectFlags, bool)
[Callstack]  12  0x00007f060e23dc94  FInternalPlayLevelUtils::ResolveDirtyBlueprints(bool, TArray<UBlueprint*, FDefaultAllocator>&, bool)
[Callstack]  13  0x00007f060e2234a6  UEditorEngine::PlayInEditor(UWorld*, bool)
[Callstack]  14  0x00007f060e2143ea  UEditorEngine::StartQueuedPlayMapRequest()
[Callstack]  15  0x00007f060dc07c1f  UEditorEngine::Tick(float, bool)
[Callstack]  16  0x00007f060e5da1b9  UUnrealEdEngine::Tick(float, bool)
[Callstack]  17  0x0000000000423d90  FEngineLoop::Tick() [Runtime/Core/Public/Stats/Stats2.h, line 1686]
[Callstack]  18  0x000000000042b8d3  GuardedMain(wchar_t const*) [/home/vaibhav/madratman/take_2/UnrealEngine/Engine/Source/Runtime/Launch/Private/Launch.cpp, line 62]
[Callstack]  19  0x00007f060c78710a  CommonLinuxMain(int, char**, int (*)(wchar_t const*))
[Callstack]  20  0x00007f060c1d8f45  /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f060c1d8f45]
[Callstack]  21  0x0000000000415ddf  ./Engine/Binaries/Linux/UE4Editor() [0x415ddf]

[2017.04.17-07.58.14:161][248]LogExit: Executing StaticShutdownAfterError
Malloc Size=477404 LargeMemoryPoolOffset=674076 
Engine crash handling finished; re-raising signal 11 for the default handler. Good bye.
Segmentation fault (core dumped)