Manjaro Linux Memory Access Crash SIGSEV

I keep getting memory access errors with signal 11 as caught. It happens mostly whilst using the blueprint editor. Sometimes my whole system freezes up, forcing a reboot. I’m using Manjaro Linux with i3 window manager. here is the recent log:

[2016.03.21-17.09.36:384][146]LogWorld: Bringing up level for play took: 0.019556
[2016.03.21-17.09.49:225][863]LogBlueprintUserMessages: Early EndPlayMap Detection: Level ‘/Game/FirstPersonBP/Main.Main:PersistentLevel’ has LevelScriptBlueprint ‘/Game/FirstPersonBP/Main.Main:PersistentLevel.Main’ with GeneratedClass ‘/Game/FirstPersonBP/Main.Main_C’ with ClassGeneratedBy ‘/Game/FirstPersonBP/Main.Main:PersistentLevel.Main’
[2016.03.21-17.09.49:295][863]LogBlueprintUserMessages: Late EndPlayMap Detection: Level ‘/Game/FirstPersonBP/Main.Main:PersistentLevel’ has LevelScriptBlueprint ‘/Game/FirstPersonBP/Main.Main:PersistentLevel.Main’ with GeneratedClass ‘/Game/FirstPersonBP/Main.Main_C’ with ClassGeneratedBy ‘/Game/FirstPersonBP/Main.Main:PersistentLevel.Main’
[2016.03.21-17.09.49:309][863]LogALAudio: Closing ALAudio device : OpenAL Soft
[2016.03.21-17.09.49:322][864]LogParticles: Destroying 0 GPU particle simulations for FXSystem 0x0x7f9ce4375ce0
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 42 (X_SetInputFocus)
Serial number of failed request: 71259
Current serial number in output stream: 71260
Assertion failed: IsInRenderingThread() [File:/home/tony/UnrealEngine/Engine/Source/Runtime/RenderCore/Private/RenderResource.cpp] [Line: 40]

[2016.03.21-18.23.45:847][478]LogLinux:Error: appError called: Assertion failed: Assertion failed: IsInRenderingThread() [File:/home/tony/UnrealEngine/Engine/Source/Runtime/RenderCore/Private/RenderResource.cpp] [Line: 40]

Signal 11 caught.
EngineCrashHandler: Signal=11
[2016.03.21-18.23.46:028][478]LogCrashTracker:

[2016.03.21-18.23.46:028][478]LogLinux: === Critical error: ===
Unhandled Exception: SIGSEGV: invalid attempt to access memory at address 0x00000003

[2016.03.21-18.23.46:028][478]LogLinux: Assertion failed: Assertion failed: IsInRenderingThread() [File:/home/tony/UnrealEngine/Engine/Source/Runtime/RenderCore/Private/RenderResource.cpp] [Line: 40]

[Callstack] 03 0x0000000000434d6b EngineCrashHandler(FGenericCrashContext const&) [/home/tony/UnrealEngine/Engine/Source/Runtime/Launch/Private/Linux/LaunchLinux.cpp, line 31]
[Callstack] 04 0x00007f9d5f7917a1 PlatformCrashHandler(int, siginfo_t*, void*)
[Callstack] 05 0x00007f9d602cae80 /usr/lib/libpthread.so.0(+0x10e80) [0x7f9d602cae80]
[Callstack] 06 0x00007f9d5f6c3df2 FGenericPlatformMisc::RaiseException(unsigned int)
[Callstack] 07 0x00007f9d5f79eb3a FOutputDeviceLinuxError::Serialize(wchar_t const*, ELogVerbosity::Type, FName const&)
[Callstack] 08 0x00007f9d5f87a224 FOutputDevice::Logf(wchar_t const*, …)
[Callstack] 09 0x00007f9d5f858e80 FDebug::AssertFailed(char const*, char const*, int, wchar_t const*, …)
[Callstack] 10 0x00007f9d5a215c6c FRenderResource::ReleaseResource()
[Callstack] 11 0x00007f9d5a225d9b FDynamicVertexBufferPool::~FDynamicVertexBufferPool()
[Callstack] 12 0x00007f9d5a2190f7 FGlobalDynamicVertexBuffer::~FGlobalDynamicVertexBuffer()
[Callstack] 13 0x00007f9d53fc4c38 /usr/lib/libc.so.6(+0x35c38) [0x7f9d53fc4c38]
[Callstack] 14 0x00007f9d53fc4c85 /usr/lib/libc.so.6(+0x35c85) [0x7f9d53fc4c85]
[Callstack] 15 0x00007f9d2e0f8748 /usr/lib/libX11.so.6(+0x44748) [0x7f9d2e0f8748]
[Callstack] 16 0x00007f9d2e0f887d /usr/lib/libX11.so.6(_XError+0x11d) [0x7f9d2e0f887d]
[Callstack] 17 0x00007f9d2e0f57c7 /usr/lib/libX11.so.6(+0x417c7) [0x7f9d2e0f57c7]
[Callstack] 18 0x00007f9d2e0f5885 /usr/lib/libX11.so.6(+0x41885) [0x7f9d2e0f5885]
[Callstack] 19 0x00007f9d2e0f6830 /usr/lib/libX11.so.6(_XReply+0x230) [0x7f9d2e0f6830]
[Callstack] 20 0x00007f9d2e0dc88d /usr/lib/libX11.so.6(XGetWindowProperty+0x11d) [0x7f9d2e0dc88d]
[Callstack] 21 0x00007f9d5fb23374 /home/tony/UnrealEngine/Engine/Binaries/Linux/libUE4Editor-Core.so(+0x5a2374) [0x7f9d5fb23374]
[Callstack] 22 0x00007f9d5facfcd4 /home/tony/UnrealEngine/Engine/Binaries/Linux/libUE4Editor-Core.so(+0x54ecd4) [0x7f9d5facfcd4]
[Callstack] 23 0x00007f9d5f7e8040 FLinuxWindow::CacheNativeProperties()
[Callstack] 24 0x00007f9d5f77d5e3 FLinuxApplication::ProcessDeferredMessage(SDL_Event)
[Callstack] 25 0x00007f9d5f77d3cb FLinuxApplication::AddPendingEvent(SDL_Event)
[Callstack] 26 0x00007f9d5f77d23c FLinuxPlatformMisc::PumpMessages(bool)
[Callstack] 27 0x0000000000420ba2 FEngineLoop::Tick() [Runtime/Core/Public/UObject/NameTypes.h, line 590]
[Callstack] 28 0x0000000000428583 GuardedMain(wchar_t const*) [/home/tony/UnrealEngine/Engine/Source/Runtime/Launch/Private/Launch.cpp, line 51]
[Callstack] 29 0x000000000043564f /home/tony/UnrealEngine/Engine/Binaries/Linux/UE4Editor(main+0x88f) [0x43564f] [/home/tony/UnrealEngine/Engine/Source/Runtime/Launch/Private/Linux/LaunchLinux.cpp, line 193]
[Callstack] 30 0x00007f9d53faf710 /usr/lib/libc.so.6(__libc_start_main+0xf0) [0x7f9d53faf710]
[Callstack] 31 0x00000000004120d9 /home/tony/UnrealEngine/Engine/Binaries/Linux/UE4Editor(_start+0x29) [0x4120d9]