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App crash at start from PlayStore on some devices

Hi everybody,

I have uploaded an app on google PlayStore that crash for some android devices. The error is:

 #00 pc 0159bd68  /data/app/com.###.###-1/lib/arm/libUE4.so (_ZN13FZipUnionFile12AddPatchFileE10TSharedPtrI18FFileHandleAndroidL7ESPMode0EE+32)
 #01 pc 0159b7f0  /data/app/com.###.###-1/lib/arm/libUE4.so (_ZN20FAndroidPlatformFile8MountOBBEPKw+100)
 #02 pc 0159a5b4  /data/app/com.###.###-1/lib/arm/libUE4.so (_ZN20FAndroidPlatformFile10InitializeEP13IPlatformFilePKw+1452)
 #03 pc 01557c34  /data/app/com.###.###-1/lib/arm/libUE4.so (_Z11AndroidMainP11android_app+2708)
 #04 pc 0155b4ac  /data/app/com.###.###-1/lib/arm/libUE4.so (android_main+120)
 #05 pc 0156f138  /data/app/com.###.###-1/lib/arm/libUE4.so
 #06 pc 000423ab  /system/lib/libc.so (_ZL15__pthread_startPv+30)
 #07 pc 00019325  /system/lib/libc.so (__start_thread+6)

This crash occurs on 4 devices:

  1. HTC 10 (htc_pmeuhl)

  2. Galaxy S6 Edge (zerolte)

  3. Galaxy S5 (klte)

  4. ZenFone 2 Laser (ASUS_Z00L_63)

What they have in common is:

  • Android 6.0.1

  • OpenGL ES version 3.0

  • Native platform armeabi-v7a

The project has support for armv7 and for OpenGL ES2, and I have compiled with SDK level 24 and NDK level 19 in order to have GoogleVR plugin works (https://answers.unrealengine.com/questions/505397/trouble-packaging-google-vr-project-for-android-fo.html).

I don't know how to debug this. Can you help me reading the backtrace?

Thanks for any suggestion.

Product Version: UE 4.14
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asked Feb 01 '17 at 05:19 PM in Bug Reports

avatar image

46 1 6 10

avatar image Samantha Sutton ♦♦ STAFF Feb 02 '17 at 10:24 PM


  • Are you able to reproduce this issue on your own, in a new project?

  • If so, do you have the reproduction steps to provide to me?

  • Are you able to obtain the logcat files?

  • Have you tested 4.15 Preview (just as a testcase)?

If you are able to provide the logcat files, please follow these steps:

  • Attach your phone to the computer

  • Go here: C:\NVPACK\android-sdk-windows\tools

  • Open up Monitor.bat

  • Launch the program and save the logs

If you cannot get Monitor.bat to open, please go to:

  • C:\NVPACK\android-sdk-windows\tools\lib\monitor-x86

  • Open up Monitor.exe

  • Follow the instructions above

Make sure that you highlight all of the logs, because they do not save unless they're highlighted.

Thank you!

avatar image Ale_32 Feb 03 '17 at 04:01 PM

Hi Samantha, thanks for reply.

I'll give you log files when I'll found a device to test on. I've received those crash from google developer console but I don't have a device to reproduce the issue.


avatar image Ale_32 Feb 03 '17 at 05:21 PM

Forget what I have just said.

I just tested on a Samsung S6 (Android 6.0.1): a shipping version of the app from Unreal work correctly (installed manually), but if I download the app from the play store, it crash at start.

I'll attach the log file. I clear all filters, so it's a little verbose. I think the problem start at line 497.

I have to say that at begin play on game mode (so I think approximately at the starts of the app) I'm looking for a save game and if it does not exist I'll create it. Maybe some write permission issue?

Thanks for support.

log.txt (119.7 kB)
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1 answer: sort voted first


You're experiencing a signal 11 crash. This is a memory related issue. Please make sure you have enough memory on your device to run the project. If you have enough memory, there may be a memory leak that you'll need to look in to.

It could be as simple as a couple lines of code that you've entered incorrectly, or improperly for what you're trying to achieve.

If you're able to reproduce this issue on multiple devices, please reply back with fully reproduction steps.

 02-03 18:07:52.341: A/libc(25027): Fatal signal 11 (SIGSEGV), code 1, fault addr 0x0 in tid 25050 (Thread-347)
 02-03 18:07:52.351: D/ViewRootImpl(25027): #1 mView = com.android.internal.policy.PhoneWindow$DecorView{b3a12b5 I.E...... R.....ID 0,0-0,0}
 02-03 18:07:52.351: D/ISSUE_DEBUG(3451): InputChannelName : c46bef com.rainbowcgi.Uragme/com.epicgames.ue4.GameActivity
 02-03 18:07:52.351: D/ActivityManager(3451): post active user change for 0 fullscreen true isFloatingActivity() false isHomeActivity() false
 02-03 18:07:52.351: D/KnoxTimeoutHandler(3451): postActiveUserChange [MsgParam] userId: 0 fullscreen is true showWhenlocked is false
 02-03 18:07:52.351: D/KnoxTimeoutHandler(3451): handleActiveUserChange [MsgParam] userId: 0 fullscreen is true showWhenlocked is false
 02-03 18:07:52.351: I/KnoxTimeoutHandler(3451): Shared devices show user statefalse
 02-03 18:07:52.351: I/SurfaceFlinger(3046): id=537 createSurf (2560x1440),2 flag=404, HameActivit
 02-03 18:07:52.361: D/StatusBarManagerService(3451): manageDisableList userId=0 what=0x0 pkg=Window{48a68f6 u0 d0 com.rainbowcgi.Uragme/com.epicgames.ue4.GameActivity}
 02-03 18:07:52.361: D/PhoneStatusBar(4054): setSystemUiVisibility vis=8f06 mask=ffffffff oldVal=8000 newVal=8f06 diff=f06
 02-03 18:07:52.361: D/InputDispatcher(3451): Focus entered window: 25027
 02-03 18:07:52.361: D/PointerIcon(3451): setMouseIconStyle1 pointerType: 1001 iconType:101 flag:0 pid:3451 uid:1000
 02-03 18:07:52.361: D/PointerIcon(3451): setMouseCustomIcon IconType is same.101
 02-03 18:07:52.361: I/SurfaceFlinger(3046): id=538 createSurf (2560x1440),1 flag=4, HameActivit
 02-03 18:07:52.361: I/SurfaceFlinger(3046): id=539 createSurf (2560x1440),4 flag=404, TurfaceView
 02-03 18:07:52.371: V/WindowStateAnimator(3451): Finishing drawing window Window{8982185 u0 d0 SurfaceView}: mDrawState=DRAW_PENDING
 02-03 18:07:52.371: D/InputMethodManagerService(3451): windowGainedFocus mCurrentFocusedUserId - 0 and mSecureKeypadEnabled-false
 02-03 18:07:52.381: D/SamsungIME(5356): IMPL finishInput
 02-03 18:07:52.381: D/SamsungIME(5356): SwiftKeyWrapper writeDBdataToFileOnFinishInput
 02-03 18:07:52.381: D/SamsungIME(5356): saveAndClear +
 02-03 18:07:52.381: D/SamsungIME(5356): saveAndClear -
 02-03 18:07:52.381: D/SamsungIME(5356): onStartInput: No inputType, No imeOption, isInputViewShown = false, isExtractViewShown = false, isShowInputRequested = false, isConfigChanged = true
 02-03 18:07:52.391: E/SamsungIME(5356): resetNeedToLoadHwrLibrary : 0
 02-03 18:07:52.391: I/SamsungIME(5356): putCacheDrawable inputModule=0 key =ICON_SETTING
 02-03 18:07:52.391: A/DEBUG(3055): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
 02-03 18:07:52.391: A/DEBUG(3055): Build fingerprint: 'samsung/zerofltexx/zeroflte:6.0.1/MMB29K/G920FXXS4DPJ2:user/release-keys'
 02-03 18:07:52.391: A/DEBUG(3055): Revision: '11'
 02-03 18:07:52.391: A/DEBUG(3055): ABI: 'arm'
 02-03 18:07:52.391: A/DEBUG(3055): pid: 25027, tid: 25050, name: Thread-347  >>> com.rainbowcgi.Uragme <<<
 02-03 18:07:52.401: A/DEBUG(3055): signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0
 02-03 18:07:52.401: A/DEBUG(3055):     r0 00000000  r1 d83fff08  r2 00004001  r3 00000001
 02-03 18:07:52.401: A/DEBUG(3055):     r4 dcf1a944  r5 f33b7500  r6 dcf1a93c  r7 d83fff08
 02-03 18:07:52.401: A/DEBUG(3055):     r8 00000001  r9 eec59480  sl 00000037  fp d83fff00
 02-03 18:07:52.401: A/DEBUG(3055):     ip 000061da  sp d83ffc08  lr d9c3a7f4  pc d9c3ad68  cpsr 400d0010
 02-03 18:07:52.411: A/DEBUG(3055): backtrace:
 02-03 18:07:52.411: A/DEBUG(3055):     #00 pc 0159bd68  /data/app/com.rainbowcgi.Uragme-1/lib/arm/libUE4.so (_ZN13FZipUnionFile12AddPatchFileE10TSharedPtrI18FFileHandleAndroidL7ESPMode0EE+32)
 02-03 18:07:52.411: A/DEBUG(3055):     #01 pc 0159b7f0  /data/app/com.rainbowcgi.Uragme-1/lib/arm/libUE4.so (_ZN20FAndroidPlatformFile8MountOBBEPKw+100)
 02-03 18:07:52.411: A/DEBUG(3055):     #02 pc 0159a5b4  /data/app/com.rainbowcgi.Uragme-1/lib/arm/libUE4.so (_ZN20FAndroidPlatformFile10InitializeEP13IPlatformFilePKw+1452)
 02-03 18:07:52.411: A/DEBUG(3055):     #03 pc 01557c34  /data/app/com.rainbowcgi.Uragme-1/lib/arm/libUE4.so (_Z11AndroidMainP11android_app+2708)
 02-03 18:07:52.411: A/DEBUG(3055):     #04 pc 0155b4ac  /data/app/com.rainbowcgi.Uragme-1/lib/arm/libUE4.so (android_main+120)
 02-03 18:07:52.411: A/DEBUG(3055):     #05 pc 0156f138  /data/app/com.rainbowcgi.Uragme-1/lib/arm/libUE4.so
 02-03 18:07:52.411: A/DEBUG(3055):     #06 pc 0003fc63  /system/lib/libc.so (_ZL15__pthread_startPv+30)
 02-03 18:07:52.411: A/DEBUG(3055):     #07 pc 0001a39b  /system/lib/libc.so (__start_thread+6)
 02-03 18:07:52.591: A/DEBUG(3055): Tombstone written to: /data/tombstones/tombstone_08
 02-03 18:07:52.591: E/DEBUG(3055): AM write failed: Broken pipe
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answered Feb 07 '17 at 07:32 PM

avatar image SalihBalkan Sep 26 '18 at 05:37 PM

"It could be as simple as a couple lines of code that you've entered incorrectly" This brought me to correct direction and I removed around 20 begin plays in the blueprints and now it can launch properly. Now I am gonna connect them half-by-half to detect the real problem location.

avatar image chrisjr181 Mar 10 '19 at 11:55 PM

did you ever fix the problem I'm having the same trouble and my app is suffering for it.

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