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Today
Yesterday

For a while I was struggling with high crash rates on Android due to a "signal 11 (SIGSEGV), code 1 (SEGV_MAPERR)" error in /lib/arm64/libunity.so

Unity 2021.3.26f1 (but also in all earlier Unity 2021, 2020 and 2019 versions I tried). URP 12.1.11.

SOLUTION:
The solution was to disable both Multithreaded Rendering and Graphics Jobs (I had both enabled).



Detailed Error log (with symbols):

 
2023.06.16 16:11:05.189 8877 8946 Error CRASH *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
2023.06.16 16:11:05.189 8877 8946 Error CRASH Version '2021.3.26f1 (a16dc32e0ff2)', Build type 'Release', Scripting Backend 'il2cpp', CPU 'arm64-v8a'
2023.06.16 16:11:05.189 8877 8946 Error CRASH Build fingerprint: 'Nokia/Onyx_00WW/B2N_sprout:10/QKQ1.190828.002/00WW_4_15N:user/release-keys'
2023.06.16 16:11:05.189 8877 8946 Error CRASH Revision: '0'
2023.06.16 16:11:05.189 8877 8946 Error CRASH ABI: 'arm64'
2023.06.16 16:11:05.189 8877 8946 Error CRASH Timestamp: 2023-06-16 16:11:05+0200
2023.06.16 16:11:05.189 8877 8946 Error CRASH pid: 8877, tid: 8946, name: Thread-5  >>> com.kamgam.sbr2 <<<
2023.06.16 16:11:05.189 8877 8946 Error CRASH uid: 10398
2023.06.16 16:11:05.189 8877 8946 Error CRASH signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x17
2023.06.16 16:11:05.189 8877 8946 Error CRASH Cause: null pointer dereference
2023.06.16 16:11:05.189 8877 8946 Error CRASH     x0  00000072101ca8c0  x1  0000000000000000  x2  0000000000000858  x3  000000000000e56e
2023.06.16 16:11:05.189 8877 8946 Error CRASH     x4  000000000000005b  x5  00000072530c4ddc  x6  0000000000000000  x7  00000000840088d2
2023.06.16 16:11:05.189 8877 8946 Error CRASH     x8  00000072535d7530  x9  00000000fffffff1  x10 0000000000000000  x11 0000000000000000
2023.06.16 16:11:05.189 8877 8946 Error CRASH     x12 0000000000000000  x13 0000000000000000  x14 0000000000029873  x15 0000000000000001
2023.06.16 16:11:05.189 8877 8946 Error CRASH     x16 000000725351b618  x17 000000733e8c7070  x18 0000007167606000  x19 0000000000000858
2023.06.16 16:11:05.189 8877 8946 Error CRASH     x20 0000000000000000  x21 ffffffffffffffff  x22 00000071d0132308  x23 00000072101e1c70
2023.06.16 16:11:05.189 8877 8946 Error CRASH     x24 00000072101e1cf0  x25 0000000000000000  x26 00000072104b3780  x27 000000715000018c
2023.06.16 16:11:05.189 8877 8946 Error CRASH     x28 000000000000273d  x29 000000716841fc20
2023.06.16 16:11:05.189 8877 8946 Error CRASH     sp  000000716841f8c0  lr  0000007252840538  pc  0000007252840548
2023.06.16 16:11:05.189 8877 8946 Error CRASH
2023.06.16 16:11:05.189 8877 8946 Error CRASH backtrace:
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #00 pc 0000000000b7c548  /data/app/com.kamgam.sbr2-MA6dTM-G3o_UvCLJ-IzJ0g==/lib/arm64/libunity.so (BuildId: 0a19a0525ef8627736f4cb908c7e7b6083772483)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #01 pc 0000000000b8cd8c  /data/app/com.kamgam.sbr2-MA6dTM-G3o_UvCLJ-IzJ0g==/lib/arm64/libunity.so (BuildId: 0a19a0525ef8627736f4cb908c7e7b6083772483)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #02 pc 0000000000b8ccfc  /data/app/com.kamgam.sbr2-MA6dTM-G3o_UvCLJ-IzJ0g==/lib/arm64/libunity.so (BuildId: 0a19a0525ef8627736f4cb908c7e7b6083772483)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #03 pc 0000000000b44abc  /data/app/com.kamgam.sbr2-MA6dTM-G3o_UvCLJ-IzJ0g==/lib/arm64/libunity.so (BuildId: 0a19a0525ef8627736f4cb908c7e7b6083772483)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #04 pc 0000000000b449a0  /data/app/com.kamgam.sbr2-MA6dTM-G3o_UvCLJ-IzJ0g==/lib/arm64/libunity.so (BuildId: 0a19a0525ef8627736f4cb908c7e7b6083772483)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #05 pc 0000000000d39570  /data/app/com.kamgam.sbr2-MA6dTM-G3o_UvCLJ-IzJ0g==/lib/arm64/libunity.so (BuildId: 0a19a0525ef8627736f4cb908c7e7b6083772483)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #06 pc 0000000000d3b9a8  /data/app/com.kamgam.sbr2-MA6dTM-G3o_UvCLJ-IzJ0g==/lib/arm64/libunity.so (BuildId: 0a19a0525ef8627736f4cb908c7e7b6083772483)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #07 pc 0000000000d32ff0  /data/app/com.kamgam.sbr2-MA6dTM-G3o_UvCLJ-IzJ0g==/lib/arm64/libunity.so (BuildId: 0a19a0525ef8627736f4cb908c7e7b6083772483)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #08 pc 0000000000513ff0  /data/app/com.kamgam.sbr2-MA6dTM-G3o_UvCLJ-IzJ0g==/lib/arm64/libunity.so (BuildId: 0a19a0525ef8627736f4cb908c7e7b6083772483)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #09 pc 00000000000e6890  /apex/com.android.runtime/lib64/bionic/libc.so (__pthread_start(void*)+36) (BuildId: cf739dbc84bcc78f7a1500721bfb3758)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #10 pc 0000000000084b6c  /apex/com.android.runtime/lib64/bionic/libc.so (__start_thread+64) (BuildId: cf739dbc84bcc78f7a1500721bfb3758)
2023.06.16 16:11:05.328 8877 8946 Error CRASH Forwarding signal 11
0001.01.01 00:00:00.000 -1 -1 Info  --------- beginning of crash
2023.06.16 16:11:05.328 8877 8946 Fatal libc Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x17 in tid 8946 (Thread-5), pid 8877 (com.kamgam.sbr2)
 
SYMBOLICATED STACK
 
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #00 pc 0000000000b7c548 (DataBufferGLES::FlushMappedRange(unsigned long, unsigned long) at ??:?)  /data/app/com.kamgam.sbr2-MA6dTM-G3o_UvCLJ-IzJ0g==/lib/arm64/libunity.so (BuildId: 0a19a0525ef8627736f4cb908c7e7b6083772483)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #01 pc 0000000000b8cd8c (BufferGLES::EndWrite(unsigned long) at ??:?)  /data/app/com.kamgam.sbr2-MA6dTM-G3o_UvCLJ-IzJ0g==/lib/arm64/libunity.so (BuildId: 0a19a0525ef8627736f4cb908c7e7b6083772483)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #02 pc 0000000000b8ccfc (GfxDeviceGLES::EndBufferWrite(GfxBuffer*, unsigned long) at ??:?)  /data/app/com.kamgam.sbr2-MA6dTM-G3o_UvCLJ-IzJ0g==/lib/arm64/libunity.so (BuildId: 0a19a0525ef8627736f4cb908c7e7b6083772483)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #03 pc 0000000000b44abc (GeometryJobTasks::PutGeometryJobTask(GfxDevice&, GeometryJobTasks::GeometryJobTask*) at ??:?)  /data/app/com.kamgam.sbr2-MA6dTM-G3o_UvCLJ-IzJ0g==/lib/arm64/libunity.so (BuildId: 0a19a0525ef8627736f4cb908c7e7b6083772483)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #04 pc 0000000000b449a0 (GeometryJobTasks::EndFrame(GfxDevice&) at ??:?)  /data/app/com.kamgam.sbr2-MA6dTM-G3o_UvCLJ-IzJ0g==/lib/arm64/libunity.so (BuildId: 0a19a0525ef8627736f4cb908c7e7b6083772483)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #05 pc 0000000000d39570 (GfxDeviceWorker::RunCommand(ThreadedStreamBuffer&) at ??:?)  /data/app/com.kamgam.sbr2-MA6dTM-G3o_UvCLJ-IzJ0g==/lib/arm64/libunity.so (BuildId: 0a19a0525ef8627736f4cb908c7e7b6083772483)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #06 pc 0000000000d3b9a8 (GfxDeviceWorker::RunExt(ThreadedStreamBuffer&) at ??:?)  /data/app/com.kamgam.sbr2-MA6dTM-G3o_UvCLJ-IzJ0g==/lib/arm64/libunity.so (BuildId: 0a19a0525ef8627736f4cb908c7e7b6083772483)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #07 pc 0000000000d32ff0 (GfxDeviceWorker::RunGfxDeviceWorker(void*) at ??:?)  /data/app/com.kamgam.sbr2-MA6dTM-G3o_UvCLJ-IzJ0g==/lib/arm64/libunity.so (BuildId: 0a19a0525ef8627736f4cb908c7e7b6083772483)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #08 pc 0000000000513ff0 (Thread::RunThreadWrapper(void*) at ??:?)  /data/app/com.kamgam.sbr2-MA6dTM-G3o_UvCLJ-IzJ0g==/lib/arm64/libunity.so (BuildId: 0a19a0525ef8627736f4cb908c7e7b6083772483)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #09 pc 00000000000e6890 (libc.so not found)  /apex/com.android.runtime/lib64/bionic/libc.so (__pthread_start(void*)+36) (BuildId: cf739dbc84bcc78f7a1500721bfb3758)
2023.06.16 16:11:05.189 8877 8946 Error CRASH       #10 pc 0000000000084b6c (libc.so not found)  /apex/com.android.runtime/lib64/bionic/libc.so (__start_thread+64) (BuildId: cf739dbc84bcc78f7a1500721bfb3758)
2023.06.16 16:11:05.328 8877 8946 Error CRASH Forwarding signal 11



This give a bit of context: This is not for a few users. The effect was tested on about 200k installs and I am pretty confident by now that it worked.




Not sure if this is a known problem. May this info help others with similar problems.

 

 

[출처] https://forum.unity.com/threads/reducing-android-crash-rate-due-to-graphics-jobs-and-multithreaded-rendering.1454152/

 

Showcase - Reducing Android Crash rate due to Graphics Jobs and Multithreaded Rendering

For a while I was struggling with high crash rates on Android due to a "signal 11 (SIGSEGV), code 1 (SEGV_MAPERR)" error in /lib/arm64/libunity.so...

forum.unity.com

 

[참조] https://ssscool.tistory.com/387

 

[Unity] 유니티 다른폰은 괜찮은데 LG G6에서 테스트 했을때만 Crash 나는 현상 해결 (V/InputMethodManager:

[Unity] 유니티 다른폰은 괜찮은데 LG G6에서 테스트 했을때만 Crash 나는 현상 해결 (V/InputMethodManager: checkFocus: view=android.view.SurfaceView{291d66e VFE...... .F....I. 0,0-1440,2880} next=android.view.SurfaceView{291d66e VFE..

ssscool.tistory.com

[참조] https://devgod.tistory.com/58

 

Unity Crash by 'UnityGfxDeviceW'

유니티 버전을 2021.3x로 업데이트 이후 그래픽 라이브러리에서 'UnityGfxDeviceW'와 같은 메세지가 포함된 크래시가 반복적으로 발생되었다. 해결 : Multithreaded Rendering 옵션 비활성 Compute Skining 옵션 비

devgod.tistory.com

 

 

 

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