Crash on Android using Playfab UnrealMarketPlacePlugin
Hi everyone,
We have faced a Signal 11 (SIGSEGV), code 1 (SEGV_MAPERR) on our Android build.
We developed the game on UE4.26 with the UnrealMarketPlace plugin and used Playfab for login, store, and leaderboards.
We upgraded the UnrealMarketPlace plugin to version 1.60, this made it more stable but is still crashing on some devices.
Here is the error dump we have from the Play Console.
*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** pid: 0, tid: 0 >>> com.Titan.SchoolRush <<< backtrace: #00 pc 000000000cab1200 /data/app/com.Titan.SchoolRush-_K7Edyo0Wt1N3JtPRNh6oQ==/split_config.arm64_v8a.apk!lib/arm64-v8a/libUE4.so (offset 0xdf000) (UObjectBase::IsValidLowLevelFast(bool) const+224) #00 pc 000000000cb55808 /data/app/com.Titan.SchoolRush-_K7Edyo0Wt1N3JtPRNh6oQ==/split_config.arm64_v8a.apk!lib/arm64-v8a/libUE4.so (offset 0xdf000) (FPersistentFrameCollectorArchive::operator<<(UObject*&)+64) #00 pc 000000000ca63b94 /data/app/com.Titan.SchoolRush-_K7Edyo0Wt1N3JtPRNh6oQ==/split_config.arm64_v8a.apk!lib/arm64-v8a/libUE4.so (offset 0xdf000) (FObjectProperty::SerializeItem(FStructuredArchiveSlot, void*, void const*) const+292) #00 pc 000000000c8e0f08 /data/app/com.Titan.SchoolRush-_K7Edyo0Wt1N3JtPRNh6oQ==/split_config.arm64_v8a.apk!lib/arm64-v8a/libUE4.so (offset 0xdf000) (FProperty::SerializeBinProperty(FStructuredArchiveSlot, void*, int)+140) #00 pc 000000000c8e0e10 /data/app/com.Titan.SchoolRush-_K7Edyo0Wt1N3JtPRNh6oQ==/split_config.arm64_v8a.apk!lib/arm64-v8a/libUE4.so (offset 0xdf000) (UStruct::SerializeBin(FStructuredArchiveSlot, void*) const+112) #00 pc 000000000c8eb024 /data/app/com.Titan.SchoolRush-_K7Edyo0Wt1N3JtPRNh6oQ==/split_config.arm64_v8a.apk!lib/arm64-v8a/libUE4.so (offset 0xdf000) (UScriptStruct::SerializeItem(FStructuredArchiveSlot, void*, void const*)+252) #00 pc 000000000ca76fc8 /data/app/com.Titan.SchoolRush-_K7Edyo0Wt1N3JtPRNh6oQ==/split_config.arm64_v8a.apk!lib/arm64-v8a/libUE4.so (offset 0xdf000) (FStructProperty::SerializeItem(FStructuredArchiveSlot, void*, void const*) const+116) #00 pc 000000000c8e0f08 /data/app/com.Titan.SchoolRush-_K7Edyo0Wt1N3JtPRNh6oQ==/split_config.arm64_v8a.apk!lib/arm64-v8a/libUE4.so (offset 0xdf000) (FProperty::SerializeBinProperty(FStructuredArchiveSlot, void*, int)+140) #00 pc 000000000c8e0e10 /data/app/com.Titan.SchoolRush-_K7Edyo0Wt1N3JtPRNh6oQ==/split_config.arm64_v8a.apk!lib/arm64-v8a/libUE4.so (offset 0xdf000) (UStruct::SerializeBin(FStructuredArchiveSlot, void*) const+112) #00 pc 000000000f640b58 /data/app/com.Titan.SchoolRush-_K7Edyo0Wt1N3JtPRNh6oQ==/split_config.arm64_v8a.apk!lib/arm64-v8a/libUE4.so (offset 0xdf000) (UBlueprintGeneratedClass::AddReferencedObjectsInUbergraphFrame(UObject*, FReferenceCollector&)+520) #00 pc 000000000c9cbecc /data/app/com.Titan.SchoolRush-_K7Edyo0Wt1N3JtPRNh6oQ==/split_config.arm64_v8a.apk!lib/arm64-v8a/libUE4.so (offset 0xdf000) (TFastReferenceCollector<FGCReferenceProcessor<(EFastReferenceCollectorOptions)9>, FGCCollector<(EFastReferenceCollectorOptions)9>, FGCArrayPool, (EFastReferenceCollectorOptions)9>::ProcessObjectArray(FGCArrayStruct&, TRefCountPtr<FGraphEvent> const&)+10432) #00 pc 000000000c9d1b14 /data/app/com.Titan.SchoolRush-_K7Edyo0Wt1N3JtPRNh6oQ==/split_config.arm64_v8a.apk!lib/arm64-v8a/libUE4.so (offset 0xdf000) (TFastReferenceCollector<FGCReferenceProcessor<(EFastReferenceCollectorOptions)9>, FGCCollector<(EFastReferenceCollectorOptions)9>, FGCArrayPool, (EFastReferenceCollectorOptions)9>::FCollectorTaskQueue::DoTask()+1000) #00 pc 000000000c9d1448 /data/app/com.Titan.SchoolRush-_K7Edyo0Wt1N3JtPRNh6oQ==/split_config.arm64_v8a.apk!lib/arm64-v8a/libUE4.so (offset 0xdf000) (TGraphTask<TFastReferenceCollector<FGCReferenceProcessor<(EFastReferenceCollectorOptions)9>, FGCCollector<(EFastReferenceCollectorOptions)9>, FGCArrayPool, (EFastReferenceCollectorOptions)9>::FCollectorTaskProcessorTask>::ExecuteTask(TArray<FBaseGraphTask*, TSizedDefaultAllocator<32> >&, ENamedThreads::Type)+1116) #00 pc 000000000c25e988 /data/app/com.Titan.SchoolRush-_K7Edyo0Wt1N3JtPRNh6oQ==/split_config.arm64_v8a.apk!lib/arm64-v8a/libUE4.so (offset 0xdf000) (FTaskThreadAnyThread::ProcessTasks()+820) #00 pc 000000000c25dc9c /data/app/com.Titan.SchoolRush-_K7Edyo0Wt1N3JtPRNh6oQ==/split_config.arm64_v8a.apk!lib/arm64-v8a/libUE4.so (offset 0xdf000) (FTaskThreadAnyThread::ProcessTasksUntilQuit(int)+84) #00 pc 000000000c25da94 /data/app/com.Titan.SchoolRush-_K7Edyo0Wt1N3JtPRNh6oQ==/split_config.arm64_v8a.apk!lib/arm64-v8a/libUE4.so (offset 0xdf000) (FTaskThreadAnyThread::Run()+60) #00 pc 000000000c35c2c4 /data/app/com.Titan.SchoolRush-_K7Edyo0Wt1N3JtPRNh6oQ==/split_config.arm64_v8a.apk!lib/arm64-v8a/libUE4.so (offset 0xdf000) (FRunnableThreadPThread::Run()+152) #00 pc 000000000c25bf94 /data/app/com.Titan.SchoolRush-_K7Edyo0Wt1N3JtPRNh6oQ==/split_config.arm64_v8a.apk!lib/arm64-v8a/libUE4.so (offset 0xdf000) (FRunnableThreadPThread::_ThreadProc(void*)+80) #00 pc 00000000000e2364 /apex/com.android.runtime/lib64/bionic/libc.so (__pthread_start(void*)+36) #00 pc 0000000000083d98 /apex/com.android.runtime/lib64/bionic/libc.so (__start_thread+64)
Could you please clarify which one code line caused this crash issue? Could you please provide the specific code sample?
Hi Sarah,
Unfortunately, we cannot determine which one code line is causing the crash. We suspect its the Garbage Collector from UE4 trying to clean the Playfab blueprint functions that is crashing.
We previously had an issue with the Garbage Collector crashing when it is cleaning up the Authentication Context, and we had to upgrade the UnrealMarketPlace plugin to v1.60. This resolved some crashes but is still happening on multiple different Android Phones.
Apologies, we can't find any relevant information from this bug report. Could you please clarify what API did you call before this crash?
We have uploaded our logfile here(https://drive.google.com/drive/folders/1iDS0c99rUiqDMKMdtHGYQyQdtO-tS3k0?usp=sharing) when we run the game in DebugGame mode. Hopefully this provides more information.
We called the following API call in the logfile:
LoginWithAndroidDeviceID
GetCatalogItems
GetUserInventory
GetAccountInfo
Get UserData
