[crash] signal 11 caught in renderThread

anonymous_user_4f89712b · August 24, 2016, 8:26am

somtime crash android. why is occur??
engine version 4.12.5
Fatal signal 11 (SIGSEGV), code 1, fault addr 0xd600799c in tid 15303 (RenderThread 1)

08-24 16:35:16.643: D/InputDispatcher(1222): notifyMotion - action=POINTER_UP, eventTime=2937987840209000, downTime=2937928873984000
 08-24 16:35:16.643: D/InputTransport(1222): channel '343b99c0 com.test.app/com.epicgames.ue4.GameActivity (server)' : action=POINTER_UP, downTime=2937928873984000, eventTime=2937987840209000, pointerCount=2
 08-24 16:35:16.643: I/ViewRootImpl(15260): ViewRoot's Touch Event : ACTION_POINTER_UP(1)
 08-24 16:35:16.663: D/UE4(15260): **Signal 7 caught!**
 08-24 16:35:16.663: A/libc(15260): Fatal signal 11 (SIGSEGV), code 1, fault addr 0xd600799c in tid 15303 (RenderThread 1)
 08-24 16:35:16.693: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1248000
 08-24 16:35:16.723: I/DEBUG(466): [2016-08-24 16:35:16.734]
 08-24 16:35:16.723: I/DEBUG(466): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
 08-24 16:35:16.723: I/DEBUG(466): Build fingerprint: 'lge/p1_skt_kr/p1:5.1/LMY47D/160121549a55c:/release-keys'
 08-24 16:35:16.723: I/DEBUG(466): Revision: '11'
 08-24 16:35:16.723: I/DEBUG(466): ABI: 'arm'
 08-24 16:35:16.723: I/DEBUG(466): pid: 15260, tid: 15303, name: RenderThread 1  >>> com.test.app <<<
 08-24 16:35:16.723: I/DEBUG(466): signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0xd600799c
 08-24 16:35:16.723: W/NativeCrashListener(1222): Couldn't find ProcessRecord for pid 1530015793
 08-24 16:35:16.723: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1344000
 08-24 16:35:16.743: I/DEBUG(466):     r0 d6017c4c  r1 d6007bbc  r2 dc647e50  r3 00000000
 08-24 16:35:16.743: E/DEBUG(466): AM write failure (32 / Broken pipe)
 08-24 16:35:16.743: I/DEBUG(466):     r4 b104cd40  r5 d6017c90  r6 00000007  r7 00000001
 08-24 16:35:16.743: I/DEBUG(466):     r8 fffd50a4  r9 d6017d10  sl c790e580  fp d6017c40
 08-24 16:35:16.743: I/DEBUG(466):     ip 00000001  sp d6007948  lr dc648c44  pc d7a19208  cpsr a0070010
 08-24 16:35:16.743: I/DEBUG(466): backtrace:
 08-24 16:35:16.743: I/DEBUG(466):     #00 pc 0187f208  /data/app/com.test.app-1/lib/arm/libUE4.so (AndroidCrash::Handle(FGenericCrashContext const&)+56)
 08-24 16:35:16.743: I/DEBUG(466):     #01 pc 0000bc8c  <unknown>
 08-24 16:35:16.743: W/libbacktrace(466): virtual bool BacktracePtrace::ReadWord(uintptr_t, word_t*): invalid pointer 0xd6007908 reading from tid 15303, ptrace() strerror(errno)=I/O error
 08-24 16:35:16.743: W/libbacktrace(466): virtual bool BacktracePtrace::ReadWord(uintptr_t, word_t*): invalid pointer 0xd6007948 reading from tid 15303, ptrace() strerror(errno)=I/O error
 08-24 16:35:16.753: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1440000
 08-24 16:35:16.923: D/InputDispatcher(1222): notifyMotion - action=POINTER_DOWN, eventTime=2937988124184000, downTime=2937928873984000
 08-24 16:35:16.923: D/InputTransport(1222): channel '343b99c0 com.test.app/com.epicgames.ue4.GameActivity (server)' : action=POINTER_DOWN, downTime=2937928873984000, eventTime=2937988124184000, pointerCount=2
 08-24 16:35:17.023: D/PowerManagerServiceEx(1222): updateUserActivitySummaryLocked: mWakefulness=Awake, mUserActivitySummary=0x1, nextTimeout=4917889806 (in 1979901582 ms)
 08-24 16:35:17.043: D/InputDispatcher(1222): notifyMotion - action=POINTER_UP, eventTime=2937988240623000, downTime=2937928873984000
 08-24 16:35:17.043: D/InputTransport(1222): channel '343b99c0 com.test.app/com.epicgames.ue4.GameActivity (server)' : action=POINTER_UP, downTime=2937928873984000, eventTime=2937988240623000, pointerCount=2
 08-24 16:35:17.143: D/InputDispatcher(1222): Waiting for application to become ready for input: Window{343b99c0 u0 com.test.app/com.epicgames.ue4.GameActivity}.  Reason: Waiting because the touched window's input channel is full.  Outbound queue length: 1.  Wait queue length: 53.
 08-24 16:35:17.293: D/InputDispatcher(1222): notifyMotion - action=ACTION_UP, eventTime=2937988498286000, downTime=2937928873984000
 08-24 16:35:17.313: V/WifiServerServiceExt(1222): checkPollTimer Cnt= 0 rssi =-53 threshold=-100
 08-24 16:35:17.313: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1344000
 08-24 16:35:17.343: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1248000
 08-24 16:35:17.373: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 960000
 08-24 16:35:17.443: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1248000
 08-24 16:35:17.473: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 960000
 08-24 16:35:17.523: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1248000
 08-24 16:35:17.553: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 960000
 08-24 16:35:17.613: E/ThermalEngine(483): ==== Enter sched_bmhb_cs_gov -> vs_temp = 35 ===
 08-24 16:35:17.643: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1248000
 08-24 16:35:17.673: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 960000
 08-24 16:35:17.703: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1248000
 08-24 16:35:17.733: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1344000
 08-24 16:35:17.763: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1248000
 08-24 16:35:17.793: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 960000
 08-24 16:35:17.853: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1248000
 08-24 16:35:17.883: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 960000
 08-24 16:35:17.913: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1248000
 08-24 16:35:17.943: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 960000
 08-24 16:35:17.973: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1248000
 08-24 16:35:17.983: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1344000
 08-24 16:35:18.013: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1248000
 08-24 16:35:18.043: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 960000
 08-24 16:35:18.093: I/DEBUG(466): Tombstone written to: /data/tombstones/tombstone_07
 08-24 16:35:18.093: I/BootReceiver(1222): Copying /data/tombstones/tombstone_07 to  (SYSTEM_TOMBSTONE)
 08-24 16:35:18.093: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1248000
 08-24 16:35:18.123: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1344000
 08-24 16:35:18.153: E/ThermalEngine(483): ACTION: CLUSTER - Setting CLUSTER[1] to 1440000
 08-24 16:35:18.333: V/AudioFlinger(471): 15260 died, releasing its sessions
 08-24 16:35:18.333: I/WindowState(1222): WIN DEATH: Window{343b99c0 u0 com.test.app/com.epicgames.ue4.GameActivity}

anonymous_user_a08c0bf2 · August 24, 2016, 7:40pm

Hey Sanghaha,

Signal 11 is a segmentation fault. This means that the program accessed a memory location that wasn’t assigned to it. This is typically due to the GPU drivers.

What kind of device are you on?
What version of Android is the device on?
Is the project resource heavy?

Thank you!

anonymous_user_a08c0bf2 · August 29, 2016, 2:39pm

Hey Sanghaha,

We have not heard back from you in a few days, so we are marking this post as Resolved for tracking purposes. If you are still experiencing the issue you reported, please respond to this message with additional information and we will offer further assistance.

Thank you!