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Linux Crashes (4.6/4.7)

It seems that if I open UE4Editor, the Project Creation comes up fine.. But if I take too long, it hangs.. Similarly, if I create a Project and click on a tab inside the editor.. It crashes.. It seems like Linux version is so buggy.. It feels like I'm paying for a product that's so fragile doing anything with it will break it.. How am I to make a Game with these conditions? My environment is Linux, and I refuse to go to Windows.. It's the reason I chose UE4 over Unity. Any help would be excellent (if you need Debug logs, let me what to do for you)

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asked Jan 13 '15 at 02:40 AM in Using UE4

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What are your distro, hardware, and drivers? And yes, please attach the logs.

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answered Jan 13 '15 at 03:52 PM

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avatar image Raid Jan 17 '15 at 04:23 AM

Sorry for the delay! Been busy..

Distro: Ubuntu 14.10 64bit. NVidia: GeForce GTX 660M RAM: 8GB Processor: Intel i7 (3rd Gen) 2.30ghz

Open a Project, click the Second Icon on the Left (looks like a PaintBrush) and it crashes, everytime.

 Assertion failed: IsThreadSafeForSlateRendering() [File:Runtime/SlateCore/Public/Application/SlateApplicationBase.h] [Line: 306] 
 Signal 11 caught.
 [2015.01.17-04.18.04:659][231]LogLinux:Error: appError called: Assertion failed: Assertion failed: IsThreadSafeForSlateRendering() [File:Runtime/SlateCore/Public/Application/SlateApplicationBase.h] [Line: 306] 
 EngineCrashHandler: Signal=11
 [2015.01.17-04.18.04:838][241]LogLinux: === Critical error: ===
 Unhandled Exception: SIGSEGV: invalid attempt to access memory at address 0x00000003
 [2015.01.17-04.18.04:838][241]LogLinux: Assertion failed: Assertion failed: IsThreadSafeForSlateRendering() [File:Runtime/SlateCore/Public/Application/SlateApplicationBase.h] [Line: 306] 
 [Callstack]  02  0x00007fe7d85183e5  ReportCrash(FLinuxCrashContext const&)
 [Callstack]  03  0x0000000000424de0  EngineCrashHandler(FGenericCrashContext const&)
 [Callstack]  04  0x00007fe7d851af1b  PlatformCrashHandler(int, siginfo_t*, void*)
 [Callstack]  05  0x00007fe7d8f3ec90  /lib/x86_64-linux-gnu/libpthread.so.0(+0xfc90) [0x7fe7d8f3ec90]
 [Callstack]  06  0x00007fe7d8523bb7  FOutputDeviceLinuxError::Serialize(wchar_t const*, ELogVerbosity::Type, FName const&)
 [Callstack]  07  0x00007fe7d85b213c  FOutputDevice::Logf(wchar_t const*, ...)
 [Callstack]  08  0x00007fe7d859e852  FDebug::AssertFailed(char const*, char const*, int, wchar_t const*, ...)
 [Callstack]  09  0x00007fe7d245aaab  SWindow::GetCurrentWindowZone(FVector2D)
 [Callstack]  10  0x00007fe7d29556c9  FSlateApplication::GetWindowZoneForPoint(TSharedRef<FGeneri[2015.01.17-04.18.04:838][241]LogExit: Executing StaticShutdownAfterError
 Starting ../../../engine/binaries/linux/crashreportclient
avatar image Raid Jan 17 '15 at 04:25 AM

Hmmm.. Clicking on anything with updated 4.7 (GIT) causes that crash, any UI Element it seems?

avatar image Raid Feb 04 '15 at 06:18 AM

Any word on fixes for this?

avatar image RCL STAFF Feb 04 '15 at 06:20 AM

This shouldn't happen with current 4.7.

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