This is a top community crash occurring on Linux. The two linked CrashGroups have nearly identical callstacks.
A log file is attached. Additional information is currently unavailable.
Callstack from Log
[2017.06.16-18.18.24:565][ 0]LogInit:Error: _PlatformCreateOpenGLContextCore - Could not create OpenGL 4.3 context, SDL error: 'Could not create GL context: GLXBadFBConfig' [2017.06.16-18.18.24:565][ 0]LogRHI:Error: OpenGL 4.3 not supported by driver [2017.06.16-18.18.24:566][ 0]LogInit:Error: _PlatformCreateOpenGLContextCore - Could not create OpenGL 4.3 context, SDL error: 'Could not create GL context: GLXBadFBConfig' [2017.06.16-18.18.24:784][ 0]LogLinux:Error: appError called: Assertion failed: Assertion failed: SharedContext.hGLContext [File:/home/adrian/UnrealEngine/Engine/Source/Runtime/OpenGLDrv/Private/Linux/OpenGLLinux.cpp] [Line: 250] [2017.06.16-18.18.24:824][ 0]LogLinux: === Critical error: === Unhandled Exception: SIGSEGV: invalid attempt to write memory at address 0x0000000000000003 [2017.06.16-18.18.24:824][ 0]LogLinux: Assertion failed: Assertion failed: SharedContext.hGLContext [File:/home/adrian/UnrealEngine/Engine/Source/Runtime/OpenGLDrv/Private/Linux/OpenGLLinux.cpp] [Line: 250] [Callstack] 00 0x00007f5092325e4f FLinuxPlatformStackWalk::CaptureStackBackTrace(unsigned long long*, unsigned int, void*) [Callstack] 01 0x00007f50921bbf65 FGenericPlatformStackWalk::StackWalkAndDump(char*, unsigned long, int, void*) [Callstack] 02 0x00007f50922cb2a1 FLinuxCrashContext::CaptureStackTrace() [Callstack] 03 0x00007f5086e503b0 CommonLinuxCrashHandler(FGenericCrashContext const&) [Callstack] 04 0x00007f50922cd172 PlatformCrashHandler(int, siginfo_t*, void*) [Callstack] 05 0x00007f5098112390 /lib/x86_64-linux-gnu/libpthread.so.0(+0x11390) [0x7f5098112390] [Callstack] 06 0x00007f50921af304 FGenericPlatformMisc::RaiseException(unsigned int) [Callstack] 07 0x00007f5092317c2e FOutputDeviceLinuxError::Serialize(wchar_t const*, ELogVerbosity::Type, FName const&) [Callstack] 08 0x00007f50923da08c FOutputDevice::Logf(wchar_t const*, ...) [Callstack] 09 0x00007f5092375468 FDebug::AssertFailed(char const*, char const*, int, wchar_t const*, ...) [Callstack] 10 0x00007f5011d733ed FPlatformOpenGLDevice::FPlatformOpenGLDevice() [Callstack] 11 0x00007f5011d6fb96 FOpenGLDynamicRHI::FOpenGLDynamicRHI() [Callstack] 12 0x00007f5011d6f8e2 FOpenGLDynamicRHIModule::CreateRHI(ERHIFeatureLevel::Type) [Callstack] 13 0x00007f508b8890ee PlatformCreateDynamicRHI() [Callstack] 14 0x00007f508b8888ef RHIInit(bool) [Callstack] 15 0x0000000000419c51 FEngineLoop::PreInit(wchar_t const*) [/home/adrian/UnrealEngine/Engine/Source/Runtime/Launch/Private/LaunchEngineLoop.cpp, line 1665] [Callstack] 16 0x000000000042af78 GuardedMain(wchar_t const*) [/home/adrian/UnrealEngine/Engine/Source/Runtime/Launch/Private/Launch.cpp, line 42] [Callstack] 17 0x00007f5086e5113a CommonLinuxMain(int, char**, int (*)(wchar_t const*)) [Callstack] 18 0x00007f5085f0c830 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0) [0x7f5085f0c830] [Callstack] 19 0x0000000000416629 ./Engine/Binaries/Linux/UE4Editor(_start+0x29) [0x416629]
Run the engine (editor or game) or drivers that are uncapable of creating OpenGL 4.3 context (e.g. llvmpipe currently).
SIGSEGV: invalid attempt to write memory at address 0x0000000000000003 Unknown!PlatformCrashHandler() Unknown!/lib/x86_64-linux-gnu/libpthread.so.0() [0x7f:98112390] Unknown!FPlatformOpenGLDevice::FPlatformOpenGLDevice() Unknown!FOpenGLDynamicRHI::FOpenGLDynamicRHI() Unknown!FOpenGLDynamicRHIModule::CreateRHI() Unknown!PlatformCreateDynamicRHI() Unknown!RHIInit() ./Engine/Binaries/Linux/UE4Editor!FEngineLoop::PreInit() [LaunchEngineLoop.cpp:1665] ./Engine/Binaries/Linux/UE4Editor!GuardedMain() [Launch.cpp:42] Unknown!CommonLinuxMain() Unknown!/lib/x86_64-linux-gnu/libc.so.6() [0x7f5085f0c:30] Unknown!./Engine/Binaries/Linux/UE4Editor() [0x:16629]
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-46177 in the post.