[2015.06.29-02.37.37:461][116]LogRenderer: Reallocating scene render targets to support 856x624 (Frame:3896).
X Error of failed request: BadDrawable (invalid Pixmap or Window parameter)
Major opcode of failed request: 153 (DRI2)
Minor opcode of failed request: 7 (DRI2GetBuffersWithFormat )
Resource id in failed request: 0x1800052
Serial number of failed request: 45
Current serial number in output stream: 45
Assertion failed: IsInRenderingThread() [File:/home/ceset/EpicGames/UnrealEngine/Engine/Source/Runtime/RenderCore/Private/RenderResource.cpp] [Line: 40]
Signal 11 caught.
[2015.06.29-02.37.54:949][689]LogLinux:Error: appError called: Assertion failed: Assertion failed: IsInRenderingThread()
[File:/home/ceset/EpicGames/UnrealEngine/Engine/Source/Runtime/RenderCore/Private/RenderResource.cpp] [Line: 40]
EngineCrashHandler: Signal=11
[2015.06.29-02.37.55:393][714]LogCrashTracker:
[2015.06.29-02.37.55:393][714]LogLinux: === Critical error: ===
Unhandled Exception: SIGSEGV: invalid attempt to access memory at address 0x00000003
[2015.06.29-02.37.55:413][714]LogLinux: Assertion failed: Assertion failed: IsInRenderingThread()
[File:/home/ceset/EpicGames/UnrealEngine/Engine/Source/Runtime/RenderCore/Private/RenderResource.cpp] [Line: 40]
[Callstack] 02 0x00007f0774107e01 ReportCrash(FLinuxCrashContext const&)
[Callstack] 03 0x000000000042f19b EngineCrashHandler(FGenericCrashContext const&)
[/home/ceset/EpicGames/UnrealEngine/Engine/Source/Runtime/Launch/Private/Linux/LaunchLinux.cpp, line 31]
[Callstack] 04 0x00007f077410b628 PlatformCrashHandler(int, siginfo_t*, void*)
[Callstack] 05 0x00007f0774b83660 /usr/lib/libpthread.so.0(+0x10660) [0x7f0774b83660]
[Callstack] 06 0x00007f07741153cc FOutputDeviceLinuxError::Serialize(wchar_t const*, ELogVerbosity::Type, FName const&)
[Callstack] 07 0x00007f07741c59f5 FOutputDevice::Logf(wchar_t const*, ...)
[Callstack] 08 0x00007f07741a9890 FDebug::AssertFailed(char const*, char const*, int, wchar_t const*, ...)
[Callstack] 09 0x00007f076ee381e7 FRenderResource::Rel[2015.06.29-02.37.55:414][714]LogExit: Executing StaticShutdownAfterError
Starting ../../../engine/binaries/linux/crashreportclient
I get this error randomly on every project(template projects both blueprint and c++). It just pops out randomly.