[Nexus 7 Android Development] OlliWi:
I looked into my logfiles (the one names 2018-04-21-21-18-48.txt ) and i can see these lines

--------- beginning of crash

04-21 17:32:57.266 F/libc (4512): Fatal signal 6 (SIGABRT), code -6 in tid 4512 (main)

04-21 17:32:57.300 F/DEBUG (4614): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***

04-21 17:32:57.301 F/DEBUG (4614): Build fingerprint: 'Google/aosp_tilapia/tilapia:7.1.2/NZH54D/ds04061116:userdebug/test-keys'

04-21 17:32:57.301 F/DEBUG (4614): Revision: '0'

04-21 17:32:57.301 F/DEBUG (4614): ABI: 'arm'

04-21 17:32:57.302 F/DEBUG (4614): pid: 4512, tid: 4512, name: main >>> app_process <<<

04-21 17:32:57.302 F/DEBUG (4614): signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------

04-21 17:32:57.310 F/DEBUG (4614): Abort message: 'art/runtime/jit/jit_code_cache.cc:185] Failed to mprotect jit code cache'

04-21 17:32:57.310 F/DEBUG (4614): r0 00000000 r1 000011a0 r2 00000006 r3 00000008

04-21 17:32:57.310 F/DEBUG (4614): r4 4012858c r5 00000006 r6 40128534 r7 0000010c

04-21 17:32:57.310 F/DEBUG (4614): r8 00008000 r9 00008000 sl 0000000a fp 40504400

04-21 17:32:57.311 F/DEBUG (4614): ip 00000000 sp be9282b0 lr 40be68b7 pc 40be9120 cpsr 600f0010

04-21 17:32:57.356 F/DEBUG (4614):

04-21 17:32:57.356 F/DEBUG (4614): backtrace:

04-21 17:32:57.356 F/DEBUG (4614): #00 pc 0004a120 /system/lib/libc.so (tgkill+12)

04-21 17:32:57.356 F/DEBUG (4614): #01 pc 000478b3 /system/lib/libc.so (pthread_kill+34)

04-21 17:32:57.356 F/DEBUG (4614): #02 pc 0001d8c5 /system/lib/libc.so (raise+10)

04-21 17:32:57.356 F/DEBUG (4614): #03 pc 00019411 /system/lib/libc.so (__libc_android_abort+34)

04-21 17:32:57.356 F/DEBUG (4614): #04 pc 000171bc /system/lib/libc.so (abort+4)

04-21 17:32:57.356 F/DEBUG (4614): #05 pc 0031bd99 /system/lib/libart.so (_ZN3art7Runtime5AbortEPKc+328)

04-21 17:32:57.356 F/DEBUG (4614): #06 pc 000b52cb /system/lib/libart.so (_ZN3art10LogMessageD2Ev+1134)

04-21 17:32:57.356 F/DEBUG (4614): #07 pc 00255013 /system/lib/libart.so (_ZN3art3jit20ScopedCodeCacheWriteC2EPNS_6MemMapE+246)

04-21 17:32:57.356 F/DEBUG (4614): #08 pc 0025372d /system/lib/libart.so (_ZN3art3jit12JitCodeCacheC1EPNS_6MemMapES3_jjjb+700)

04-21 17:32:57.356 F/DEBUG (4614): #09 pc 00252a5f /system/lib/libart.so (_ZN3art3jit12JitCodeCache6CreateEjjbPNSt3__112basic_stringIcNS2_11char_traitsIcEENS2_9allocatorIcEEEE+486)

04-21 17:32:57.356 F/DEBUG (4614): #10 pc 0024f6e5 /system/lib/libart.so (_ZN3art3jit3Jit6CreateEPNS0_10JitOptionsEPNSt3__112basic_stringIcNS4_11char_traitsIcEENS4_9allocatorIcEEEE+68)

04-21 17:32:57.356 F/DEBUG (4614): #11 pc 00321c8b /system/lib/libart.so (_ZN3art7Runtime9CreateJitEv+50)

04-21 17:32:57.356 F/DEBUG (4614): #12 pc 0032041d /system/lib/libart.so (_ZN3art7Runtime5StartEv+964)

04-21 17:32:57.356 F/DEBUG (4614): #13 pc 0023da1b /system/lib/libart.so (JNI_CreateJavaVM+406)

04-21 17:32:57.357 F/DEBUG (4614): #14 pc 00067a01 /system/lib/libandroid_runtime.so (_ZN7android14AndroidRuntime7startVmEPP7_JavaVMPP7_JNIEnvb+2260)

04-21 17:32:57.357 F/DEBUG (4614): #15 pc 00067dd1 /system/lib/libandroid_runtime.so (_ZN7android14AndroidRuntime5startEPKcRKNS_6VectorINS_7String8EEEb+272)

04-21 17:32:57.357 F/DEBUG (4614): #16 pc 000018e5 /system/bin/app_process32

04-21 17:32:57.357 F/DEBUG (4614): #17 pc 00016cf1 /system/lib/libc.so (__libc_init+48)

04-21 17:32:57.357 F/DEBUG (4614): #18 pc 00001504 /system/bin/app_process32

04-21 17:32:57.525 I/chatty (605): uid=1000 system_server expire 26 lines

04-21 17:32:57.554 I/chatty (605): uid=1000 system_server expire 28 lines

04-21 17:33:19.530 F/libc (4777): Fatal signal 6 (SIGABRT), code -6 in tid 4777 (main)

04-21 17:33:19.597 F/DEBUG (4803): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***

04-21 17:33:19.597 F/DEBUG (4803): Build fingerprint: 'Google/aosp_tilapia/tilapia:7.1.2/NZH54D/ds04061116:userdebug/test-keys'

04-21 17:33:19.598 F/DEBUG (4803): Revision: '0'

04-21 17:33:19.598 F/DEBUG (4803): ABI: 'arm'

04-21 17:33:19.598 F/DEBUG (4803): pid: 4777, tid: 4777, name: main >>> app_process <<<

04-21 17:33:19.598 F/DEBUG (4803): signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------

04-21 17:33:19.607 F/DEBUG (4803): Abort message: 'art/runtime/jit/jit_code_cache.cc:185] Failed to mprotect jit code cache'

04-21 17:33:19.607 F/DEBUG (4803): r0 00000000 r1 000012a9 r2 00000006 r3 00000008

04-21 17:33:19.607 F/DEBUG (4803): r4 4018258c r5 00000006 r6 40182534 r7 0000010c

04-21 17:33:19.607 F/DEBUG (4803): r8 00008000 r9 00008000 sl 0000000a fp 42c84400

04-21 17:33:19.607 F/DEBUG (4803): ip 00000000 sp bec0a2b0 lr 41e698b7 pc 41e6c120 cpsr 600f0010

04-21 17:33:19.650 F/DEBUG (4803):

04-21 17:33:19.650 F/DEBUG (4803): backtrace:

04-21 17:33:19.650 F/DEBUG (4803): #00 pc 0004a120 /system/lib/libc.so (tgkill+12)

04-21 17:33:19.651 F/DEBUG (4803): #01 pc 000478b3 /system/lib/libc.so (pthread_kill+34)

04-21 17:33:19.651 F/DEBUG (4803): #02 pc 0001d8c5 /system/lib/libc.so (raise+10)

04-21 17:33:19.651 F/DEBUG (4803): #03 pc 00019411 /system/lib/libc.so (__libc_android_abort+34)

04-21 17:33:19.651 F/DEBUG (4803): #04 pc 000171bc /system/lib/libc.so (abort+4)

04-21 17:33:19.651 F/DEBUG (4803): #05 pc 0031bd99 /system/lib/libart.so (_ZN3art7Runtime5AbortEPKc+328)

04-21 17:33:19.651 F/DEBUG (4803): #06 pc 000b52cb /system/lib/libart.so (_ZN3art10LogMessageD2Ev+1134)

04-21 17:33:19.651 F/DEBUG (4803): #07 pc 00255013 /system/lib/libart.so (_ZN3art3jit20ScopedCodeCacheWriteC2EPNS_6MemMapE+246)

04-21 17:33:19.651 F/DEBUG (4803): #08 pc 0025372d /system/lib/libart.so (_ZN3art3jit12JitCodeCacheC1EPNS_6MemMapES3_jjjb+700)

04-21 17:33:19.651 F/DEBUG (4803): #09 pc 00252a5f /system/lib/libart.so (_ZN3art3jit12JitCodeCache6CreateEjjbPNSt3__112basic_stringIcNS2_11char_traitsIcEENS2_9allocatorIcEEEE+486)

04-21 17:33:19.651 F/DEBUG (4803): #10 pc 0024f6e5 /system/lib/libart.so (_ZN3art3jit3Jit6CreateEPNS0_10JitOptionsEPNSt3__112basic_stringIcNS4_11char_traitsIcEENS4_9allocatorIcEEEE+68)

04-21 17:33:19.651 F/DEBUG (4803): #11 pc 00321c8b /system/lib/libart.so (_ZN3art7Runtime9CreateJitEv+50)

04-21 17:33:19.651 F/DEBUG (4803): #12 pc 0032041d /system/lib/libart.so (_ZN3art7Runtime5StartEv+964)

04-21 17:33:19.651 F/DEBUG (4803): #13 pc 0023da1b /system/lib/libart.so (JNI_CreateJavaVM+406)

04-21 17:33:19.651 F/DEBUG (4803): #14 pc 00067a01 /system/lib/libandroid_runtime.so (_ZN7android14AndroidRuntime7startVmEPP7_JavaVMPP7_JNIEnvb+2260)

04-21 17:33:19.651 F/DEBUG (4803): #15 pc 00067dd1 /system/lib/libandroid_runtime.so (_ZN7android14AndroidRuntime5startEPKcRKNS_6VectorINS_7String8EEEb+272)

04-21 17:33:19.651 F/DEBUG (4803): #16 pc 000018e5 /system/bin/app_process32

04-21 17:33:19.651 F/DEBUG (4803): #17 pc 00016cf1 /system/lib/libc.so (__libc_init+48)

04-21 17:33:19.651 F/DEBUG (4803): #18 pc 00001504 /system/bin/app_process32

04-21 17:33:41.841 F/libc (4967): Fatal signal 6 (SIGABRT), code -6 in tid 4967 (main)

04-21 17:33:41.903 F/DEBUG (4991): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***

04-21 17:33:41.903 F/DEBUG (4991): Build fingerprint: 'Google/aosp_tilapia/tilapia:7.1.2/NZH54D/ds04061116:userdebug/test-keys'

04-21 17:33:41.903 F/DEBUG (4991): Revision: '0'

04-21 17:33:41.903 F/DEBUG (4991): ABI: 'arm'

04-21 17:33:41.903 F/DEBUG (4991): pid: 4967, tid: 4967, name: main >>> app_process <<<

04-21 17:33:41.903 F/DEBUG (4991): signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------

04-21 17:33:41.911 F/DEBUG (4991): Abort message: 'art/runtime/jit/jit_code_cache.cc:185] Failed to mprotect jit code cache'

04-21 17:33:41.911 F/DEBUG (4991): r0 00000000 r1 00001367 r2 00000006 r3 00000008

04-21 17:33:41.911 F/DEBUG (4991): r4 4010158c r5 00000006 r6 40101534 r7 0000010c

04-21 17:33:41.911 F/DEBUG (4991): r8 00008000 r9 00008000 sl 0000000a fp 40284400

04-21 17:33:41.911 F/DEBUG (4991): ip 00000000 sp be8622b0 lr 42a628b7 pc 42a65120 cpsr 600f0010

04-21 17:33:41.950 F/DEBUG (4991):

04-21 17:33:41.950 F/DEBUG (4991): backtrace:

04-21 17:33:41.950 F/DEBUG (4991): #00 pc 0004a120 /system/lib/libc.so (tgkill+12)

04-21 17:33:41.950 F/DEBUG (4991): #01 pc 000478b3 /system/lib/libc.so (pthread_kill+34)

04-21 17:33:41.950 F/DEBUG (4991): #02 pc 0001d8c5 /system/lib/libc.so (raise+10)

04-21 17:33:41.950 F/DEBUG (4991): #03 pc 00019411 /system/lib/libc.so (__libc_android_abort+34)

04-21 17:33:41.950 F/DEBUG (4991): #04 pc 000171bc /system/lib/libc.so (abort+4)

04-21 17:33:41.950 F/DEBUG (4991): #05 pc 0031bd99 /system/lib/libart.so (_ZN3art7Runtime5AbortEPKc+328)

04-21 17:33:41.950 F/DEBUG (4991): #06 pc 000b52cb /system/lib/libart.so (_ZN3art10LogMessageD2Ev+1134)

04-21 17:33:41.950 F/DEBUG (4991): #07 pc 00255013 /system/lib/libart.so (_ZN3art3jit20ScopedCodeCacheWriteC2EPNS_6MemMapE+246)

04-21 17:33:41.950 F/DEBUG (4991): #08 pc 0025372d /system/lib/libart.so (_ZN3art3jit12JitCodeCacheC1EPNS_6MemMapES3_jjjb+700)

04-21 17:33:41.950 F/DEBUG (4991): #09 pc 00252a5f /system/lib/libart.so (_ZN3art3jit12JitCodeCache6CreateEjjbPNSt3__112basic_stringIcNS2_11char_traitsIcEENS2_9allocatorIcEEEE+486)

04-21 17:33:41.951 F/DEBUG (4991): #10 pc 0024f6e5 /system/lib/libart.so (_ZN3art3jit3Jit6CreateEPNS0_10JitOptionsEPNSt3__112basic_stringIcNS4_11char_traitsIcEENS4_9allocatorIcEEEE+68)

04-21 17:33:41.951 F/DEBUG (4991): #11 pc 00321c8b /system/lib/libart.so (_ZN3art7Runtime9CreateJitEv+50)

04-21 17:33:41.951 F/DEBUG (4991): #12 pc 0032041d /system/lib/libart.so (_ZN3art7Runtime5StartEv+964)

04-21 17:33:41.951 F/DEBUG (4991): #13 pc 0023da1b /system/lib/libart.so (JNI_CreateJavaVM+406)

04-21 17:33:41.951 F/DEBUG (4991): #14 pc 00067a01 /system/lib/libandroid_runtime.so (_ZN7android14AndroidRuntime7startVmEPP7_JavaVMPP7_JNIEnvb+2260)

04-21 17:33:41.951 F/DEBUG (4991): #15 pc 00067dd1 /system/lib/libandroid_runtime.so (_ZN7android14AndroidRuntime5startEPKcRKNS_6VectorINS_7String8EEEb+272)

04-21 17:33:41.951 F/DEBUG (4991): #16 pc 000018e5 /system/bin/app_process32

04-21 17:33:41.951 F/DEBUG (4991): #17 pc 00016cf1 /system/lib/libc.so (__libc_init+48)

04-21 17:33:41.951 F/DEBUG (4991): #18 pc 00001504 /system/bin/app_process32

04-21 17:34:04.494 F/libc (5167): Fatal signal 6 (SIGABRT), code -6 in tid 5167 (main)

04-21 17:34:04.557 F/DEBUG (5263): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***

04-21 17:34:04.557 F/DEBUG (5263): Build fingerprint: 'Google/aosp_tilapia/tilapia:7.1.2/NZH54D/ds04061116:userdebug/test-keys'

04-21 17:34:04.557 F/DEBUG (5263): Revision: '0'

04-21 17:34:04.558 F/DEBUG (5263): ABI: 'arm'

04-21 17:34:04.558 F/DEBUG (5263): pid: 5167, tid: 5167, name: main >>> app_process <<<

04-21 17:34:04.558 F/DEBUG (5263): signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------

04-21 17:34:04.568 F/DEBUG (5263): Abort message: 'art/runtime/jit/jit_code_cache.cc:185] Failed to mprotect jit code cache'

04-21 17:34:04.568 F/DEBUG (5263): r0 00000000 r1 0000142f r2 00000006 r3 00000008

04-21 17:34:04.569 F/DEBUG (5263): r4 4020458c r5 00000006 r6 40204534 r7 0000010c

04-21 17:34:04.569 F/DEBUG (5263): r8 00008000 r9 00008000 sl 0000000a fp 42c84400

04-21 17:34:04.569 F/DEBUG (5263): ip 00000000 sp bee542b0 lr 416b48b7 pc 416b7120 cpsr 600f0010

04-21 17:34:04.617 F/DEBUG (5263):

04-21 17:34:04.617 F/DEBUG (5263): backtrace:

04-21 17:34:04.617 F/DEBUG (5263): #00 pc 0004a120 /system/lib/libc.so (tgkill+12)

04-21 17:34:04.617 F/DEBUG (5263): #01 pc 000478b3 /system/lib/libc.so (pthread_kill+34)

04-21 17:34:04.617 F/DEBUG (5263): #02 pc 0001d8c5 /system/lib/libc.so (raise+10)

04-21 17:34:04.617 F/DEBUG (5263): #03 pc 00019411 /system/lib/libc.so (__libc_android_abort+34)

04-21 17:34:04.617 F/DEBUG (5263): #04 pc 000171bc /system/lib/libc.so (abort+4)

04-21 17:34:04.617 F/DEBUG (5263): #05 pc 0031bd99 /system/lib/libart.so (_ZN3art7Runtime5AbortEPKc+328)

04-21 17:34:04.617 F/DEBUG (5263): #06 pc 000b52cb /system/lib/libart.so (_ZN3art10LogMessageD2Ev+1134)

04-21 17:34:04.617 F/DEBUG (5263): #07 pc 00255013 /system/lib/libart.so (_ZN3art3jit20ScopedCodeCacheWriteC2EPNS_6MemMapE+246)

04-21 17:34:04.617 F/DEBUG (5263): #08 pc 0025372d /system/lib/libart.so (_ZN3art3jit12JitCodeCacheC1EPNS_6MemMapES3_jjjb+700)

04-21 17:34:04.618 F/DEBUG (5263): #09 pc 00252a5f /system/lib/libart.so (_ZN3art3jit12JitCodeCache6CreateEjjbPNSt3__112basic_stringIcNS2_11char_traitsIcEENS2_9allocatorIcEEEE+486)

04-21 17:34:04.618 F/DEBUG (5263): #10 pc 0024f6e5 /system/lib/libart.so (_ZN3art3jit3Jit6CreateEPNS0_10JitOptionsEPNSt3__112basic_stringIcNS4_11char_traitsIcEENS4_9allocatorIcEEEE+68)

04-21 17:34:04.618 F/DEBUG (5263): #11 pc 00321c8b /system/lib/libart.so (_ZN3art7Runtime9CreateJitEv+50)

04-21 17:34:04.618 F/DEBUG (5263): #12 pc 0032041d /system/lib/libart.so (_ZN3art7Runtime5StartEv+964)

04-21 17:34:04.618 F/DEBUG (5263): #13 pc 0023da1b /system/lib/libart.so (JNI_CreateJavaVM+406)

04-21 17:34:04.618 F/DEBUG (5263): #14 pc 00067a01 /system/lib/libandroid_runtime.so (_ZN7android14AndroidRuntime7startVmEPP7_JavaVMPP7_JNIEnvb+2260)

04-21 17:34:04.618 F/DEBUG (5263): #15 pc 00067dd1 /system/lib/libandroid_runtime.so (_ZN7android14AndroidRuntime5startEPKcRKNS_6VectorINS_7String8EEEb+272)

04-21 17:34:04.618 F/DEBUG (5263): #16 pc 000018e5 /system/bin/app_process32

04-21 17:34:04.618 F/DEBUG (5263): #17 pc 00016cf1 /system/lib/libc.so (__libc_init+48)

04-21 17:34:04.619 F/DEBUG (5263): #18 pc 00001504 /system/bin/app_process32

04-21 17:34:34.563 F/libc (5431): Fatal signal 6 (SIGABRT), code -6 in tid 5431 (main)

04-21 17:34:34.626 F/DEBUG (5519): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***

04-21 17:34:34.627 F/DEBUG (5519): Build fingerprint: 'Google/aosp_tilapia/tilapia:7.1.2/NZH54D/ds04061116:userdebug/test-keys'

04-21 17:34:34.627 F/DEBUG (5519): Revision: '0'

04-21 17:34:34.627 F/DEBUG (5519): ABI: 'arm'

04-21 17:34:34.627 F/DEBUG (5519): pid: 5431, tid: 5431, name: main >>> app_process <<<

04-21 17:34:34.628 F/DEBUG (5519): signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------

04-21 17:34:34.636 F/DEBUG (5519): Abort message: 'art/runtime/jit/jit_code_cache.cc:185] Failed to mprotect jit code cache'

04-21 17:34:34.636 F/DEBUG (5519): r0 00000000 r1 00001537 r2 00000006 r3 00000008

04-21 17:34:34.636 F/DEBUG (5519): r4 400ce58c r5 00000006 r6 400ce534 r7 0000010c

04-21 17:34:34.636 F/DEBUG (5519): r8 00008000 r9 00008000 sl 0000000a fp 42c84400

04-21 17:34:34.637 F/DEBUG (5519): ip 00000000 sp befa42b0 lr 410f68b7 pc 410f9120 cpsr 600f0010

04-21 17:34:34.677 F/DEBUG (5519):

04-21 17:34:34.677 F/DEBUG (5519): backtrace:

04-21 17:34:34.677 F/DEBUG (5519): #00 pc 0004a120 /system/lib/libc.so (tgkill+12)

04-21 17:34:34.677 F/DEBUG (5519): #01 pc 000478b3 /system/lib/libc.so (pthread_kill+34)

04-21 17:34:34.677 F/DEBUG (5519): #02 pc 0001d8c5 /system/lib/libc.so (raise+10)

04-21 17:34:34.677 F/DEBUG (5519): #03 pc 00019411 /system/lib/libc.so (__libc_android_abort+34)

04-21 17:34:34.677 F/DEBUG (5519): #04 pc 000171bc /system/lib/libc.so (abort+4)

04-21 17:34:34.677 F/DEBUG (5519): #05 pc 0031bd99 /system/lib/libart.so (_ZN3art7Runtime5AbortEPKc+328)

04-21 17:34:34.678 F/DEBUG (5519): #06 pc 000b52cb /system/lib/libart.so (_ZN3art10LogMessageD2Ev+1134)

04-21 17:34:34.678 F/DEBUG (5519): #07 pc 00255013 /system/lib/libart.so (_ZN3art3jit20ScopedCodeCacheWriteC2EPNS_6MemMapE+246)

04-21 17:34:34.678 F/DEBUG (5519): #08 pc 0025372d /system/lib/libart.so (_ZN3art3jit12JitCodeCacheC1EPNS_6MemMapES3_jjjb+700)

04-21 17:34:34.678 F/DEBUG (5519): #09 pc 00252a5f /system/lib/libart.so (_ZN3art3jit12JitCodeCache6CreateEjjbPNSt3__112basic_stringIcNS2_11char_traitsIcEENS2_9allocatorIcEEEE+486)

04-21 17:34:34.678 F/DEBUG (5519): #10 pc 0024f6e5 /system/lib/libart.so (_ZN3art3jit3Jit6CreateEPNS0_10JitOptionsEPNSt3__112basic_stringIcNS4_11char_traitsIcEENS4_9allocatorIcEEEE+68)

04-21 17:34:34.678 F/DEBUG (5519): #11 pc 00321c8b /system/lib/libart.so (_ZN3art7Runtime9CreateJitEv+50)

04-21 17:34:34.678 F/DEBUG (5519): #12 pc 0032041d /system/lib/libart.so (_ZN3art7Runtime5StartEv+964)

04-21 17:34:34.678 F/DEBUG (5519): #13 pc 0023da1b /system/lib/libart.so (JNI_CreateJavaVM+406)

04-21 17:34:34.678 F/DEBUG (5519): #14 pc 00067a01 /system/lib/libandroid_runtime.so (_ZN7android14AndroidRuntime7startVmEPP7_JavaVMPP7_JNIEnvb+2260)

04-21 17:34:34.678 F/DEBUG (5519): #15 pc 00067dd1 /system/lib/libandroid_runtime.so (_ZN7android14AndroidRuntime5startEPKcRKNS_6VectorINS_7String8EEEb+272)

04-21 17:34:34.678 F/DEBUG (5519): #16 pc 000018e5 /system/bin/app_process32

04-21 17:34:34.679 F/DEBUG (5519): #17 pc 00016cf1 /system/lib/libc.so (__libc_init+48)

04-21 17:34:34.679 F/DEBUG (5519): #18 pc 00001504 /system/bin/app_process32

04-21 17:34:56.825 F/libc (5610): Fatal signal 6 (SIGABRT), code -6 in tid 5610 (main)

04-21 17:34:56.886 F/DEBUG (5701): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***

04-21 17:34:56.886 F/DEBUG (5701): Build fingerprint: 'Google/aosp_tilapia/tilapia:7.1.2/NZH54D/ds04061116:userdebug/test-keys'

04-21 17:34:56.886 F/DEBUG (5701): Revision: '0'

04-21 17:34:56.887 F/DEBUG (5701): ABI: 'arm'

04-21 17:34:56.887 F/DEBUG (5701): pid: 5610, tid: 5610, name: main >>> app_process <<<

04-21 17:34:56.887 F/DEBUG (5701): signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------

04-21 17:34:56.895 F/DEBUG (5701): Abort message: 'art/runtime/jit/jit_code_cache.cc:185] Failed to mprotect jit code cache'

04-21 17:34:56.895 F/DEBUG (5701): r0 00000000 r1 000015ea r2 00000006 r3 00000008

04-21 17:34:56.895 F/DEBUG (5701): r4 401a658c r5 00000006 r6 401a6534 r7 0000010c

04-21 17:34:56.896 F/DEBUG (5701): r8 00008000 r9 00008000 sl 0000000a fp 42c84400

04-21 17:34:56.896 F/DEBUG (5701): ip 00000000 sp bef0a2b0 lr 42b5f8b7 pc 42b62120 cpsr 600f0010

04-21 17:34:56.938 F/DEBUG (5701):

04-21 17:34:56.938 F/DEBUG (5701): backtrace:

04-21 17:34:56.938 F/DEBUG (5701): #00 pc 0004a120 /system/lib/libc.so (tgkill+12)

04-21 17:34:56.938 F/DEBUG (5701): #01 pc 000478b3 /system/lib/libc.so (pthread_kill+34)

04-21 17:34:56.938 F/DEBUG (5701): #02 pc 0001d8c5 /system/lib/libc.so (raise+10)

04-21 17:34:56.938 F/DEBUG (5701): #03 pc 00019411 /system/lib/libc.so (__libc_android_abort+34)

04-21 17:34:56.938 F/DEBUG (5701): #04 pc 000171bc /system/lib/libc.so (abort+4)

04-21 17:34:56.938 F/DEBUG (5701): #05 pc 0031bd99 /system/lib/libart.so (_ZN3art7Runtime5AbortEPKc+328)

04-21 17:34:56.938 F/DEBUG (5701): #06 pc 000b52cb /system/lib/libart.so (_ZN3art10LogMessageD2Ev+1134)

04-21 17:34:56.938 F/DEBUG (5701): #07 pc 00255013 /system/lib/libart.so (_ZN3art3jit20ScopedCodeCacheWriteC2EPNS_6MemMapE+246)

04-21 17:34:56.938 F/DEBUG (5701): #08 pc 0025372d /system/lib/libart.so (_ZN3art3jit12JitCodeCacheC1EPNS_6MemMapES3_jjjb+700)

04-21 17:34:56.938 F/DEBUG (5701): #09 pc 00252a5f /system/lib/libart.so (_ZN3art3jit12JitCodeCache6CreateEjjbPNSt3__112basic_stringIcNS2_11char_traitsIcEENS2_9allocatorIcEEEE+486)

04-21 17:34:56.939 F/DEBUG (5701): #10 pc 0024f6e5 /system/lib/libart.so (_ZN3art3jit3Jit6CreateEPNS0_10JitOptionsEPNSt3__112basic_stringIcNS4_11char_traitsIcEENS4_9allocatorIcEEEE+68)

04-21 17:34:56.939 F/DEBUG (5701): #11 pc 00321c8b /system/lib/libart.so (_ZN3art7Runtime9CreateJitEv+50)

04-21 17:34:56.939 F/DEBUG (5701): #12 pc 0032041d /system/lib/libart.so (_ZN3art7Runtime5StartEv+964)

04-21 17:34:56.939 F/DEBUG (5701): #13 pc 0023da1b /system/lib/libart.so (JNI_CreateJavaVM+406)

04-21 17:34:56.939 F/DEBUG (5701): #14 pc 00067a01 /system/lib/libandroid_runtime.so (_ZN7android14AndroidRuntime7startVmEPP7_JavaVMPP7_JNIEnvb+2260)

04-21 17:34:56.939 F/DEBUG (5701): #15 pc 00067dd1 /system/lib/libandroid_runtime.so (_ZN7android14AndroidRuntime5startEPKcRKNS_6VectorINS_7String8EEEb+272)

04-21 17:34:56.939 F/DEBUG (5701): #16 pc 000018e5 /system/bin/app_process32

04-21 17:34:56.939 F/DEBUG (5701): #17 pc 00016cf1 /system/lib/libc.so (__libc_init+48)

04-21 17:34:56.939 F/DEBUG (5701): #18 pc 00001504 /system/bin/app_process32

04-21 17:35:20.370 F/libc (5862): Fatal signal 6 (SIGABRT), code -6 in tid 5862 (main)

04-21 17:35:20.432 F/DEBUG (5894): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***

04-21 17:35:20.432 F/DEBUG (5894): Build fingerprint: 'Google/aosp_tilapia/tilapia:7.1.2/NZH54D/ds04061116:userdebug/test-keys'

04-21 17:35:20.432 F/DEBUG (5894): Revision: '0'

04-21 17:35:20.432 F/DEBUG (5894): ABI: 'arm'

04-21 17:35:20.432 F/DEBUG (5894): pid: 5862, tid: 5862, name: main >>> app_process <<<

04-21 17:35:20.432 F/DEBUG (5894): signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------

04-21 17:35:20.441 F/DEBUG (5894): Abort message: 'art/runtime/jit/jit_code_cache.cc:185] Failed to mprotect jit code cache'

04-21 17:35:20.442 F/DEBUG (5894): r0 00000000 r1 000016e6 r2 00000006 r3 00000008

04-21 17:35:20.442 F/DEBUG (5894): r4 4013558c r5 00000006 r6 40135534 r7 0000010c

04-21 17:35:20.442 F/DEBUG (5894): r8 00008000 r9 00008000 sl 0000000a fp 40384400

04-21 17:35:20.442 F/DEBUG (5894): ip 00000000 sp bedf42b0 lr 422738b7 pc 42276120 cpsr 600f0010

04-21 17:35:20.485 F/DEBUG (5894):

04-21 17:35:20.485 F/DEBUG (5894): backtrace:

04-21 17:35:20.485 F/DEBUG (5894): #00 pc 0004a120 /system/lib/libc.so (tgkill+12)

04-21 17:35:20.485 F/DEBUG (5894): #01 pc 000478b3 /system/lib/libc.so (pthread_kill+34)

04-21 17:35:20.485 F/DEBUG (5894): #02 pc 0001d8c5 /system/lib/libc.so (raise+10)

04-21 17:35:20.485 F/DEBUG (5894): #03 pc 00019411 /system/lib/libc.so (__libc_android_abort+34)

04-21 17:35:20.485 F/DEBUG (5894): #04 pc 000171bc /system/lib/libc.so (abort+4)

04-21 17:35:20.485 F/DEBUG (5894): #05 pc 0031bd99 /system/lib/libart.so (_ZN3art7Runtime5AbortEPKc+328)

04-21 17:35:20.485 F/DEBUG (5894): #06 pc 000b52cb /system/lib/libart.so (_ZN3art10LogMessageD2Ev+1134)

04-21 17:35:20.485 F/DEBUG (5894): #07 pc 00255013 /system/lib/libart.so (_ZN3art3jit20ScopedCodeCacheWriteC2EPNS_6MemMapE+246)

04-21 17:35:20.485 F/DEBUG (5894): #08 pc 0025372d /system/lib/libart.so (_ZN3art3jit12JitCodeCacheC1EPNS_6MemMapES3_jjjb+700)

04-21 17:35:20.485 F/DEBUG (5894): #09 pc 00252a5f /system/lib/libart.so (_ZN3art3jit12JitCodeCache6CreateEjjbPNSt3__112basic_stringIcNS2_11char_traitsIcEENS2_9allocatorIcEEEE+486)

04-21 17:35:20.486 F/DEBUG (5894): #10 pc 0024f6e5 /system/lib/libart.so (_ZN3art3jit3Jit6CreateEPNS0_10JitOptionsEPNSt3__112basic_stringIcNS4_11char_traitsIcEENS4_9allocatorIcEEEE+68)

04-21 17:35:20.486 F/DEBUG (5894): #11 pc 00321c8b /system/lib/libart.so (_ZN3art7Runtime9CreateJitEv+50)

04-21 17:35:20.486 F/DEBUG (5894): #12 pc 0032041d /system/lib/libart.so (_ZN3art7Runtime5StartEv+964)

04-21 17:35:20.486 F/DEBUG (5894): #13 pc 0023da1b /system/lib/libart.so (JNI_CreateJavaVM+406)

04-21 17:35:20.486 F/DEBUG (5894): #14 pc 00067a01 /system/lib/libandroid_runtime.so (_ZN7android14AndroidRuntime7startVmEPP7_JavaVMPP7_JNIEnvb+2260)

04-21 17:35:20.486 F/DEBUG (5894): #15 pc 00067dd1 /system/lib/libandroid_runtime.so (_ZN7android14AndroidRuntime5startEPKcRKNS_6VectorINS_7String8EEEb+272)

04-21 17:35:20.486 F/DEBUG (5894): #16 pc 000018e5 /system/bin/app_process32

04-21 17:35:20.486 F/DEBUG (5894): #17 pc 00016cf1 /system/lib/libc.so (__libc_init+48)

04-21 17:35:20.486 F/DEBUG (5894): #18 pc 00001504 /system/bin/app_process32

04-21 17:38:56.304 F/libc (6020): Fatal signal 6 (SIGABRT), code -6 in tid 6020 (main)

04-21 17:39:01.152 F/DEBUG (7030): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***

04-21 17:39:01.152 F/DEBUG (7030): Build fingerprint: 'Google/aosp_tilapia/tilapia:7.1.2/NZH54D/ds04061116:userdebug/test-keys'

04-21 17:39:01.153 F/DEBUG (7030): Revision: '0'

04-21 17:39:01.153 F/DEBUG (7030): ABI: 'arm'

04-21 17:39:01.153 F/DEBUG (7030): pid: 6020, tid: 6020, name: main >>> app_process <<<

04-21 17:39:01.153 F/DEBUG (7030): signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------

04-21 17:39:01.164 F/DEBUG (7030): Abort message: 'art/runtime/jit/jit_code_cache.cc:185] Failed to mprotect jit code cache'

04-21 17:39:01.165 F/DEBUG (7030): r0 00000000 r1 00001784 r2 00000006 r3 00000008

04-21 17:39:01.165 F/DEBUG (7030): r4 4011e58c r5 00000006 r6 4011e534 r7 0000010c

04-21 17:39:01.165 F/DEBUG (7030): r8 00008000 r9 00008000 sl 0000000a fp 42c84400

04-21 17:39:01.165 F/DEBUG (7030): ip 00000000 sp bef172b0 lr 4081e8b7 pc 40821120 cpsr 600f0010

04-21 17:39:01.273 F/DEBUG (7030):

04-21 17:39:01.273 F/DEBUG (7030): backtrace:

04-21 17:39:01.273 F/DEBUG (7030): #00 pc 0004a120 /system/lib/libc.so (tgkill+12)

04-21 17:39:01.273 F/DEBUG (7030): #01 pc 000478b3 /system/lib/libc.so (pthread_kill+34)

04-21 17:39:01.273 F/DEBUG (7030): #02 pc 0001d8c5 /system/lib/libc.so (raise+10)

04-21 17:39:01.273 F/DEBUG (7030): #03 pc 00019411 /system/lib/libc.so (__libc_android_abort+34)

04-21 17:39:01.273 F/DEBUG (7030): #04 pc 000171bc /system/lib/libc.so (abort+4)

04-21 17:39:01.274 F/DEBUG (7030): #05 pc 0031bd99 /system/lib/libart.so (_ZN3art7Runtime5AbortEPKc+328)

04-21 17:39:01.274 F/DEBUG (7030): #06 pc 000b52cb /system/lib/libart.so (_ZN3art10LogMessageD2Ev+1134)

04-21 17:39:01.274 F/DEBUG (7030): #07 pc 00255013 /system/lib/libart.so (_ZN3art3jit20ScopedCodeCacheWriteC2EPNS_6MemMapE+246)

04-21 17:39:01.274 F/DEBUG (7030): #08 pc 0025372d /system/lib/libart.so (_ZN3art3jit12JitCodeCacheC1EPNS_6MemMapES3_jjjb+700)

04-21 17:39:01.274 F/DEBUG (7030): #09 pc 00252a5f /system/lib/libart.so (_ZN3art3jit12JitCodeCache6CreateEjjbPNSt3__112basic_stringIcNS2_11char_traitsIcEENS2_9allocatorIcEEEE+486)

04-21 17:39:01.274 F/DEBUG (7030): #10 pc 0024f6e5 /system/lib/libart.so (_ZN3art3jit3Jit6CreateEPNS0_10JitOptionsEPNSt3__112basic_stringIcNS4_11char_traitsIcEENS4_9allocatorIcEEEE+68)

04-21 17:39:01.274 F/DEBUG (7030): #11 pc 00321c8b /system/lib/libart.so (_ZN3art7Runtime9CreateJitEv+50)

04-21 17:39:01.274 F/DEBUG (7030): #12 pc 0032041d /system/lib/libart.so (_ZN3art7Runtime5StartEv+964)

04-21 17:39:01.274 F/DEBUG (7030): #13 pc 0023da1b /system/lib/libart.so (JNI_CreateJavaVM+406)

04-21 17:39:01.274 F/DEBUG (7030): #14 pc 00067a01 /system/lib/libandroid_runtime.so (_ZN7android14AndroidRuntime7startVmEPP7_JavaVMPP7_JNIEnvb+2260)

04-21 17:39:01.274 F/DEBUG (7030): #15 pc 00067dd1 /system/lib/libandroid_runtime.so (_ZN7android14AndroidRuntime5startEPKcRKNS_6VectorINS_7String8EEEb+272)

04-21 17:39:01.274 F/DEBUG (7030): #16 pc 000018e5 /system/bin/app_process32

04-21 17:39:01.274 F/DEBUG (7030): #17 pc 00016cf1 /system/lib/libc.so (__libc_init+48)

04-21 17:39:01.274 F/DEBUG (7030): #18 pc 00001504 /system/bin/app_process32

and so on...

Maybe that helps investigating the issue.