Developer Notes

Confirmed driver bug with no workaround.
Samsung are releasing an update this week.

Steps to Reproduce

Open SunTemple in the editor
Launch On a Galaxy S7 Mali device with a Mali GPU
Walk around until crash.

Callstack
      • *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
        Build fingerprint: 'samsung/hero2ltexx/hero2lte:6.0.1/MMB29K/G935FXXU1APAW:user/release-keys'
        Revision: '9'
        ABI: 'arm'
        pid: 10264, tid: 10497, name: RenderThread 1 >>> com.BrueComputing.BrueBenchSTReviewer <<<
        signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0xca6d0000
        r0 00000004 r1 00000000 r2 2eda2202 r3 00000001
        r4 c1a48000 r5 d0fbbe14 r6 00000002 r7 d0fbc050
        r8 00000002 r9 c1078601 sl 00000002 fp c1a48110
        ip 00000010 sp d0fbbcd8 lr ca6cffe0 pc e77471f4 cpsr 800f0010

backtrace:
#00 pc 004b51f4 /system/vendor/lib/egl/libGLES_mali.so
#01 pc 004b4278 /system/vendor/lib/egl/libGLES_mali.so
#02 pc 004b323c /system/vendor/lib/egl/libGLES_mali.so
#03 pc 004f7a9c /system/vendor/lib/egl/libGLES_mali.so
#04 pc 004f6090 /system/vendor/lib/egl/libGLES_mali.so
#05 pc 004ec3e4 /system/vendor/lib/egl/libGLES_mali.so (glDrawElements+68)
#06 pc 03281030 /data/app/com.BrueComputing.BrueBenchSTReviewer-1/lib/arm/libUE4.so (FOpenGLDynamicRHI::RHIDrawIndexedPrimitive(FRHIIndexBuffer*, unsigned int, int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int)+1244)
#07 pc 0328110c /data/app/com.BrueComputing.BrueBenchSTReviewer-1/lib/arm/libUE4.so (non-virtual thunk to FOpenGLDynamicRHI::RHIDrawIndexedPrimitive(FRHIIndexBuffer*, unsigned int, int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int)+48)
#08 pc 01cb52b0 /data/app/com.BrueComputing.BrueBenchSTReviewer-1/lib/arm/libUE4.so (FMeshDrawingPolicy::DrawMesh(FRHICommandList&, FMeshBatch const&, int) const+1280)
#09 pc 01d049b4 /data/app/com.BrueComputing.BrueBenchSTReviewer-1/lib/arm/libUE4.so (TStaticMeshDrawList<TBasePassForForwardShadingDrawingPolicy<TLightMapPolicy<(ELightmapQuality)0>, 0> >::DrawElement(FRHICommandList&, FViewInfo const&, FMeshDrawingPolicy::ContextDataType, TStaticMeshDrawList<TBasePassForForwardShadingDrawingPolicy<TLightMapPolicy<(ELightmapQuality)0>, 0> >::FElement const&, unsigned long long, TStaticMeshDrawList<TBasePassForForwardShadingDrawingPolicy<TLightMapPolicy<(ELightmapQuali #10 pc 01d07a0c /data/app/com.BrueComputing.BrueBenchSTReviewer-1/lib/arm/libUE4.so (TStaticMeshDrawList<TBasePassForForwardShadingDrawingPolicy<TLightMapPolicy<(ELightmapQuality)0>, 0> >::DrawVisibleFrontToBack(FRHICommandList&, FViewInfo const&, FMeshDrawingPolicy::ContextDataType, TBitArray<SceneRenderingBitArrayAllocator> const&, TArray<unsigned long long, SceneRenderingAllocator> const&, int)+1096)
#11 pc 01ceb4f4 /data/app/com.BrueComputing.BrueBenchSTReviewer-1/lib/arm/libUE4.so (FForwardShadingSceneRenderer::RenderForwardShadingBasePass(FRHICommandListImmediate&)+1124)
#12 pc 01cef8b8 /data/app/com.BrueComputing.BrueBenchSTReviewer-1/lib/arm/libUE4.so (FForwardShadingSceneRenderer::Render(FRHICommandListImmediate&)+568)
#13 pc 01e06cac /data/app/com.BrueComputing.BrueBenchSTReviewer-1/lib/arm/libUE4.so
#14 pc 01e136f8 /data/app/com.BrueComputing.BrueBenchSTReviewer-1/lib/arm/libUE4.so
#15 pc 01276134 /data/app/com.BrueComputing.BrueBenchSTReviewer-1/lib/arm/libUE4.so (FTaskThread::ProcessTasks(int, bool)+308)
#16 pc 01275228 /data/app/com.BrueComputing.BrueBenchSTReviewer-1/lib/arm/libUE4.so (FTaskGraphImplementation::ProcessThreadUntilRequestReturn(ENamedThreads::Type)+160)
#17 pc 01bc5338 /data/app/com.BrueComputing.BrueBenchSTReviewer-1/lib/arm/libUE4.so (FRenderingThread::Run()+128)
#18 pc 01298b84 /data/app/com.BrueComputing.BrueBenchSTReviewer-1/lib/arm/libUE4.so (FRunnableThreadPThread::Run()+104)
#19 pc 012727c0 /data/app/com.BrueComputing.BrueBenchSTReviewer-1/lib/arm/libUE4.so (FRunnableThreadPThread::_ThreadProc(void*)+40)
#20 pc 0003fc53 /system/lib/libc.so (__pthread_start(void*)+30)
#21 pc 0001a38b /system/lib/libc.so (__start_thread+6)

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Won't Fix
ComponentUE - Platform - Mobile
Affects Versions4.104.11
Target Fix4.11
CreatedMar 22, 2016
ResolvedApr 5, 2016
UpdatedSep 23, 2019
View Jira Issue