A/DEBUG: *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
2021-08-11 10:40:34.184 15033-15033/? A/DEBUG: Build fingerprint: 'google/sdk_gphone_x86/generic_x86_arm:11/RSR1.201013.001/6903271:user/release-keys'
2021-08-11 10:40:34.184 15033-15033/? A/DEBUG: Revision: '0'
2021-08-11 10:40:34.184 15033-15033/? A/DEBUG: ABI: 'x86'
2021-08-11 10:40:34.184 15033-15033/? A/DEBUG: Timestamp: 2021-08-11 10:40:34+0530
2021-08-11 10:40:34.185 15033-15033/? A/DEBUG: pid: 14936, tid: 14958, name: RenderThread >>> com.example.bettersolver <<<
2021-08-11 10:40:34.185 15033-15033/? A/DEBUG: uid: 10156
2021-08-11 10:40:34.185 15033-15033/? A/DEBUG: signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x4
2021-08-11 10:40:34.185 15033-15033/? A/DEBUG: Cause: null pointer dereference
2021-08-11 10:40:34.185 15033-15033/? A/DEBUG: eax 00000000 ebx eb434e1c ecx 00000001 edx 00000001
2021-08-11 10:40:34.185 15033-15033/? A/DEBUG: edi 00000001 esi d1537ab0
2021-08-11 10:40:34.185 15033-15033/? A/DEBUG: ebp bff7cd68 esp bff7cd50 eip eb4271c1
2021-08-11 10:40:34.295 15033-15033/? A/DEBUG: backtrace:
2021-08-11 10:40:34.295 15033-15033/? A/DEBUG: #00 pc 000101c1 /system/lib/libutils.so (android::RefBase::incStrong(void const*) const+33) (BuildId: ab4be013cda31e8c45d48aa23a89d0f8)
2021-08-11 10:40:34.296 15033-15033/? A/DEBUG: #01 pc 000f0af2 /system/lib/libandroid_runtime.so (android::nativeSetFlags(_JNIEnv*, _jclass*, long long, long long, int, int)+82) (BuildId: 588f2cd5873ff4273bb25b25edb82606)
2021-08-11 10:40:34.296 15033-15033/? A/DEBUG: #02 pc 002055d2 /system/framework/x86/boot-framework.oat (art_jni_trampoline+194) (BuildId: 9a9778e61b43d349325d0bb85244bd9bc95ff387)
2021-08-11 10:40:34.296 15033-15033/? A/DEBUG: #03 pc 0206b9b9 /memfd:jit-cache (deleted) (offset 0x2000000) (android.view.SurfaceControl.access$1100+73)
2021-08-11 10:40:34.296 15033-15033/? A/DEBUG: #04 pc 0013baf2 /apex/com.android.art/lib/libart.so (art_quick_invoke_static_stub+418) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.296 15033-15033/? A/DEBUG: #05 pc 001d0392 /apex/com.android.art/lib/libart.so (art::ArtMethod::Invoke(art::Thread*, unsigned int*, unsigned int, art::JValue*, char const*)+258) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.296 15033-15033/? A/DEBUG: #06 pc 00386701 /apex/com.android.art/lib/libart.so (art::interpreter::ArtInterpreterToCompiledCodeBridge(art::Thread*, art::ArtMethod*, art::ShadowFrame*, unsigned short, art::JValue*)+385) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.297 15033-15033/? A/DEBUG: #07 pc 0037bcad /apex/com.android.art/lib/libart.so (bool art::interpreter::DoCall<true, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+829) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.297 15033-15033/? A/DEBUG: #08 pc 007a8da0 /apex/com.android.art/lib/libart.so (MterpInvokeStaticRange+464) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.297 15033-15033/? A/DEBUG: #09 pc 00135c21 /apex/com.android.art/lib/libart.so (mterp_op_invoke_static_range+33) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.297 15033-15033/? A/DEBUG: #10 pc 0021eef2 /system/framework/framework.jar (offset 0x125d000) (android.view.SurfaceControl$Transaction.hide+18)
2021-08-11 10:40:34.298 15033-15033/? A/DEBUG: #11 pc 007a14fe /apex/com.android.art/lib/libart.so (MterpInvokeVirtual+1806) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.298 15033-15033/? A/DEBUG: #12 pc 001357a1 /apex/com.android.art/lib/libart.so (mterp_op_invoke_virtual+33) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.298 15033-15033/? A/DEBUG: #13 pc 00221e1e /system/framework/framework.jar (offset 0x125d000) (android.view.SurfaceView$1.positionLost+202)
2021-08-11 10:40:34.299 15033-15033/? A/DEBUG: #14 pc 007a355e /apex/com.android.art/lib/libart.so (MterpInvokeInterface+2126) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.299 15033-15033/? A/DEBUG: #15 pc 001359a1 /apex/com.android.art/lib/libart.so (mterp_op_invoke_interface+33) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.299 15033-15033/? A/DEBUG: #16 pc 003da794 /system/framework/framework.jar (android.graphics.RenderNode$CompositePositionUpdateListener.positionLost+16)
2021-08-11 10:40:34.300 15033-15033/? A/DEBUG: #17 pc 0036fb02 /apex/com.android.art/lib/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool, bool) (.llvm.16375758241455872412)+370) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.300 15033-15033/? A/DEBUG: #18 pc 00379b00 /apex/com.android.art/lib/libart.so (art::interpreter::EnterInterpreterFromEntryPoint(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*)+176) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.300 15033-15033/? A/DEBUG: #19 pc 0078b325 /apex/com.android.art/lib/libart.so (artQuickToInterpreterBridge+1061) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.300 15033-15033/? A/DEBUG: #20 pc 0014220d /apex/com.android.art/lib/libart.so (art_quick_to_interpreter_bridge+77) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.300 15033-15033/? A/DEBUG: #21 pc 0013b922 /apex/com.android.art/lib/libart.so (art_quick_invoke_stub+338) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.301 15033-15033/? A/DEBUG: #22 pc 001d0381 /apex/com.android.art/lib/libart.so (art::ArtMethod::Invoke(art::Thread*, unsigned int*, unsigned int, art::JValue*, char const*)+241) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.301 15033-15033/? A/DEBUG: #23 pc 0062f81c /apex/com.android.art/lib/libart.so (art::JValue art::InvokeVirtualOrInterfaceWithVarArgs<art::ArtMethod*>(art::ScopedObjectAccessAlreadyRunnable const&, _jobject*, art::ArtMethod*, char*)+620) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.301 15033-15033/? A/DEBUG: #24 pc 0062fa35 /apex/com.android.art/lib/libart.so (art::JValue art::InvokeVirtualOrInterfaceWithVarArgs<_jmethodID*>(art::ScopedObjectAccessAlreadyRunnable const&, _jobject*, _jmethodID*, char*)+85) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.301 15033-15033/? A/DEBUG: #25 pc 004a5871 /apex/com.android.art/lib/libart.so (art::JNI<true>::CallVoidMethodV(_JNIEnv*, _jobject*, _jmethodID*, char*)+753) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.301 15033-15033/? A/DEBUG: #26 pc 003f85c2 /apex/com.android.art/lib/libart.so (art::(anonymous namespace)::CheckJNI::CallMethodV(char const*, _JNIEnv*, _jobject*, _jclass*, _jmethodID*, char*, art::Primitive::Type, art::InvokeType)+1586) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.301 15033-15033/? A/DEBUG: #27 pc 003e3e99 /apex/com.android.art/lib/libart.so (art::(anonymous namespace)::CheckJNI::CallVoidMethodV(_JNIEnv*, _jobject*, _jmethodID*, char*)+73) (BuildId: 8191579dfafff37a5cbca70f9a73020f)
2021-08-11 10:40:34.301 15033-15033/? A/DEBUG: #28 pc 001d2dee /system/lib/libhwui.so (_JNIEnv::CallVoidMethod(_jobject*, _jmethodID*, ...)+62) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.301 15033-15033/? A/DEBUG: #29 pc 001d84d5 /system/lib/libhwui.so (_ZZN7androidL46android_view_RenderNode_requestPositionUpdatesEP7_JNIEnvP8_jobjectxS3_EN26PositionListenerTrampoline14onPositionLostERNS_10uirenderer10RenderNodeEPKNS5_8TreeInfoE$4d48234762405266a7f22f0edf10efb5+245) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.301 15033-15033/? A/DEBUG: #30 pc 002261e1 /system/lib/libhwui.so (_ZNSt3__110__function6__funcIZN7android10uirenderer10RenderNode17deleteDisplayListERNS3_12TreeObserverEPNS3_8TreeInfoEE3$_2NS_9allocatorIS9_EEFvPS4_EEclEOSC_$921c98526d87a1c25b1dbe0df5a49b02+97) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.302 15033-15033/? A/DEBUG: #31 pc 00224482 /system/lib/libhwui.so (android::uirenderer::RenderNode::destroyHardwareResources(android::uirenderer::TreeInfo*)+274) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.302 15033-15033/? A/DEBUG: #32 pc 00225766 /system/lib/libhwui.so (android::uirenderer::ImmediateRemoved::onMaybeRemovedFromTree(android::uirenderer::RenderNode*)+38) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.302 15033-15033/? A/DEBUG: #33 pc 002261c9 /system/lib/libhwui.so (_ZNSt3__110__function6__funcIZN7android10uirenderer10RenderNode17deleteDisplayListERNS3_12TreeObserverEPNS3_8TreeInfoEE3$_2NS_9allocatorIS9_EEFvPS4_EEclEOSC_$921c98526d87a1c25b1dbe0df5a49b02+73) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.302 15033-15033/? A/DEBUG: #34 pc 00224482 /system/lib/libhwui.so (android::uirenderer::RenderNode::destroyHardwareResources(android::uirenderer::TreeInfo*)+274) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.302 15033-15033/? A/DEBUG: #35 pc 00225766 /system/lib/libhwui.so (android::uirenderer::ImmediateRemoved::onMaybeRemovedFromTree(android::uirenderer::RenderNode*)+38) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.302 15033-15033/? A/DEBUG: #36 pc 002261c9 /system/lib/libhwui.so (_ZNSt3__110__function6__funcIZN7android10uirenderer10RenderNode17deleteDisplayListERNS3_12TreeObserverEPNS3_8TreeInfoEE3$_2NS_9allocatorIS9_EEFvPS4_EEclEOSC_$921c98526d87a1c25b1dbe0df5a49b02+73) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.302 15033-15033/? A/DEBUG: #37 pc 00224482 /system/lib/libhwui.so (android::uirenderer::RenderNode::destroyHardwareResources(android::uirenderer::TreeInfo*)+274) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.302 15033-15033/? A/DEBUG: #38 pc 00225766 /system/lib/libhwui.so (android::uirenderer::ImmediateRemoved::onMaybeRemovedFromTree(android::uirenderer::RenderNode*)+38) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.302 15033-15033/? A/DEBUG: #39 pc 002261c9 /system/lib/libhwui.so (_ZNSt3__110__function6__funcIZN7android10uirenderer10RenderNode17deleteDisplayListERNS3_12TreeObserverEPNS3_8TreeInfoEE3$_2NS_9allocatorIS9_EEFvPS4_EEclEOSC_$921c98526d87a1c25b1dbe0df5a49b02+73) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.302 15033-15033/? A/DEBUG: #40 pc 00224482 /system/lib/libhwui.so (android::uirenderer::RenderNode::destroyHardwareResources(android::uirenderer::TreeInfo*)+274) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.302 15033-15033/? A/DEBUG: #41 pc 00222364 /system/lib/libhwui.so (android::uirenderer::RenderNode::prepareTree(android::uirenderer::TreeInfo&)+548) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.302 15033-15033/? A/DEBUG: #42 pc 00229112 /system/lib/libhwui.so (android::uirenderer::RootRenderNode::prepareTree(android::uirenderer::TreeInfo&)+98) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.302 15033-15033/? A/DEBUG: #43 pc 00257643 /system/lib/libhwui.so (android::uirenderer::renderthread::CanvasContext::prepareTree(android::uirenderer::TreeInfo&, long long*, long long, android::uirenderer::RenderNode*)+403) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.302 15033-15033/? A/DEBUG: #44 pc 0025aa5c /system/lib/libhwui.so (_ZNSt3__110__function6__funcIZN7android10uirenderer12renderthread13DrawFrameTask11postAndWaitEvE3$_0NS_9allocatorIS6_EEFvvEEclEv$c303f2d2360db58ed70a2d0ac7ed911b+508) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.302 15033-15033/? A/DEBUG: #45 pc 0024542d /system/lib/libhwui.so (android::uirenderer::WorkQueue::process()+285) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.302 15033-15033/? A/DEBUG: #46 pc 0026cabf /system/lib/libhwui.so (android::uirenderer::renderthread::RenderThread::threadLoop()+127) (BuildId: ee592dc4acb9a2335e7aa2eb2a9284b5)
2021-08-11 10:40:34.302 15033-15033/? A/DEBUG: #47 pc 00015116 /system/lib/libutils.so (android::Thread::_threadLoop(void*)+374) (BuildId: ab4be013cda31e8c45d48aa23a89d0f8)
2021-08-11 10:40:34.302 15033-15033/? A/DEBUG: #48 pc 000147d9 /system/lib/libutils.so (thread_data_t::trampoline(thread_data_t const*)+457) (BuildId: ab4be013cda31e8c45d48aa23a89d0f8)
2021-08-11 10:40:34.303 15033-15033/? A/DEBUG: #49 pc 000e6974 /apex/com.android.runtime/lib/bionic/libc.so (__pthread_start(void*)+100) (BuildId: 6e3a0180fa6637b68c0d181c343e6806)
2021-08-11 10:40:34.303 15033-15033/? A/DEBUG: #50 pc 00078567 /apex/com.android.runtime/lib/bionic/libc.so (__start_thread+71) (BuildId: 6e3a0180fa6637b68c0d181c343e6806)
2021-08-11 10:40:34.505 276-276/? E/tombstoned: Tombstone written to: /data/tombstones/tombstone_06
How to find exect location of error ?