Crashing Issues on Android

[wangjiangb]

We have two Activity in an android, each holds an instance of FrameProcessor. We can processor.close() in the onDestry() function of the Activity. We have seen crashes happening a lot during activity transitions. And it seems that the crash happened inside processor.close(). Below is the stacktrace.

2020-04-03 20:08:12.417 26183-26183/? A/DEBUG: backtrace:
2020-04-03 20:08:12.417 26183-26183/? A/DEBUG: #00 pc 0000000000000800
2020-04-03 20:08:12.417 26183-26183/? A/DEBUG: #1 pc 000000000061e2bc /data/data/com.dawnlight.apps/incrementallib/libmediapipe_jni.so (tflite::Subgraph::~Subgraph()+172)
2020-04-03 20:08:12.417 26183-26183/? A/DEBUG: #2 pc 000000000061e50c /data/data/com.dawnlight.apps/incrementallib/libmediapipe_jni.so (tflite::Subgraph::~Subgraph()+16)
2020-04-03 20:08:12.417 26183-26183/? A/DEBUG: #3 pc 0000000000623730 /data/data/com.dawnlight.apps/incrementallib/libmediapipe_jni.so (tflite::Interpreter::~Interpreter()+112)
2020-04-03 20:08:12.417 26183-26183/? A/DEBUG: #4 pc 000000000040eac0 /data/data/com.dawnlight.apps/incrementallib/libmediapipe_jni.so (mediapipe::TfLiteInferenceCalculator::~TfLiteInferenceCalculator()+256)
2020-04-03 20:08:12.417 26183-26183/? A/DEBUG: #5 pc 000000000040eaf0 /data/data/com.dawnlight.apps/incrementallib/libmediapipe_jni.so (mediapipe::TfLiteInferenceCalculator::~TfLiteInferenceCalculator()+16)
2020-04-03 20:08:12.417 26183-26183/? A/DEBUG: #6 pc 0000000000703084 /data/data/com.dawnlight.apps/incrementallib/libmediapipe_jni.so (mediapipe::CalculatorNode::CleanupAfterRun(mediapipe::Status const&)+160)
2020-04-03 20:08:12.417 26183-26183/? A/DEBUG: #7 pc 00000000006d6a30 /data/data/com.dawnlight.apps/incrementallib/libmediapipe_jni.so (mediapipe::CalculatorGraph::CleanupAfterRun(mediapipe::Status*)+720)
2020-04-03 20:08:12.417 26183-26183/? A/DEBUG: #8 pc 00000000006d720c /data/data/com.dawnlight.apps/incrementallib/libmediapipe_jni.so (mediapipe::CalculatorGraph::FinishRun()+368)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #9 pc 00000000006d2444 /data/data/com.dawnlight.apps/incrementallib/libmediapipe_jni.so (mediapipe::CalculatorGraph::WaitUntilDone()+520)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #10 pc 00000000006a0e30 /data/data/com.dawnlight.apps/incrementallib/libmediapipe_jni.so (mediapipe::android::Graph::WaitUntilDone(_JNIEnv*)+60)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #11 pc 00000000006a6e80 /data/data/com.dawnlight.apps/incrementallib/libmediapipe_jni.so (Java_com_google_mediapipe_framework_Graph_nativeWaitUntilGraphDone+56)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #12 pc 0000000000561fe0 /system/lib64/libart.so (art_quick_generic_jni_trampoline+144)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #13 pc 0000000000558f88 /system/lib64/libart.so (art_quick_invoke_stub+584)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #14 pc 00000000000cfcc8 /system/lib64/libart.so (art::ArtMethod::Invoke(art::Thread*, unsigned int*, unsigned int, art::JValue*, char const*)+200)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #15 pc 00000000002806c0 /system/lib64/libart.so (art::interpreter::ArtInterpreterToCompiledCodeBridge(art::Thread*, art::ArtMethod*, art::ShadowFrame*, unsigned short, art::JValue*)+344)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #16 pc 000000000027a6c8 /system/lib64/libart.so (bool art::interpreter::DoCall(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+968)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #17 pc 00000000005291cc /system/lib64/libart.so (MterpInvokeDirect+296)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #18 pc 000000000054b614 /system/lib64/libart.so (ExecuteMterpImpl+14484)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #19 pc 000000000032823a /data/local/tmp/incrementaldeployment/com.dawnlight.apps/dex/incremental_classes1.dex (com.google.mediapipe.framework.Graph.waitUntilGraphDone+34)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #20 pc 000000000025431c /system/lib64/libart.so (_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_6JValueEb.llvm.2923458455+488)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #21 pc 0000000000259e10 /system/lib64/libart.so (art::interpreter::ArtInterpreterToInterpreterBridge(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*, art::JValue*)+216)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #22 pc 000000000027a6ac /system/lib64/libart.so (bool art::interpreter::DoCall(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+940)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #23 pc 0000000000527e8c /system/lib64/libart.so (MterpInvokeVirtual+588)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #24 pc 000000000054b514 /system/lib64/libart.so (ExecuteMterpImpl+14228)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #25 pc 00000000004575d2 /data/local/tmp/incrementaldeployment/com.dawnlight.apps/dex/incremental_classes1.dex (com.google.mediapipe.components.FrameProcessor.close+30)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #26 pc 000000000025431c /system/lib64/libart.so (_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_6JValueEb.llvm.2923458455+488)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #27 pc 0000000000259e10 /system/lib64/libart.so (art::interpreter::ArtInterpreterToInterpreterBridge(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*, art::JValue*)+216)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #28 pc 000000000027a6ac /system/lib64/libart.so (bool art::interpreter::DoCall(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+940)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #29 pc 0000000000527e8c /system/lib64/libart.so (MterpInvokeVirtual+588)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #30 pc 000000000054b514 /system/lib64/libart.so (ExecuteMterpImpl+14228)
2020-04-03 20:08:12.418 26183-26183/? A/DEBUG: #31 pc 00000000004f2ae2 /data/local/tmp/incrementaldeployment/com.dawnlight.apps/dex/incremental_classes1.dex (com.dawnlight.apps.MainActivity.onDestroy+10)

[eknight7]

Hi, can you describe a little bit more about how the activities are using the FrameProcessor? Thanks.

[pianyun]

@wangjiangb , Did you figure out the issue? I also face this issue.

@eknight7 , I call processor.close() on Activity's onPause method, and it causes the crash.

@Override
protected void onPause() {
    super.onPause();
    doOnPause();
}

protected void doOnPause() {
    converter.close();
    processor.close();  // here causes the crash
    mOrientationListener.disable();
    previewDisplayView.setVisibility(View.INVISIBLE);
}

Thank you.

[wangjiangb]

@pianyun We resolved the problem using a workaround. The error occurs when there are multiple instances of Mediabuffer processor in different Activities. We refactored the code so that there is only one Mediabuffer processor.

[eknight7]

Hi, we are closing this issue due to lack of activity. Please feel free to re-open if the question is still relevant. Thank you.