This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below.
[2016.08.05-09.09.15:492][ 0]LogFileManager:Warning: ReadFile failed: Count=0 Length=1783233816 Error= for file /Users/fengdingzhi/Library/Application Support/Epic/UnrealEngine/4.12/DerivedDataCache/Boot.ddc
[2016.08.05-09.09.17:503][ 0]LogFileManager:Error: Invalid BufferCount=0 while reading /Users/fengdingzhi/Library/Application Support/Epic/UnrealEngine/4.12/DerivedDataCache/Boot.ddc. File is most likely corrupted. Please verify your installation. Pos=1803671832, Size=92876704, PrecacheSize=2147483647, PrecacheOffset=1803671832
[2016.08.05-09.09.26:911][ 0]LogMac:Error: appError called: Assertion failed: Assertion failed: false [Link Removed] [Line: 697]
Error message:
SEGV_MAPERR at 0x3
Source Context:
279 {
280 UE_LOG(LogGenericPlatformMisc, Fatal,TEXT("I/O failure operating on '%s'"), Filename ? Filename : TEXT("Unknown file"));
281 }
282
283 void FGenericPlatformMisc::RaiseException(uint32 ExceptionCode)
284 {
285 /** This is the last place to gather memory stats before exception. */
286 FGenericCrashContext::CrashMemoryStats = FPlatformMemory::GetStats();
287
288 #if HACK_HEADER_GENERATOR && !PLATFORM_EXCEPTIONS_DISABLED
289 // We want Unreal Header Tool to throw an exception but in normal runtime code
290 // we don't support exception handling
291 throw(ExceptionCode);
292 #else
293 ***** *((uint32*)3) = ExceptionCode;
294 #endif
295 }
296
297 bool FGenericPlatformMisc::SetStoredValue(const FString& InStoreId, const FString& InSectionName, const FString& InKeyName, const FString& InValue)
298 {
299 check(!InStoreId.IsEmpty());
300 check(!InSectionName.IsEmpty());
301 check(!InKeyName.IsEmpty());
302
303 // This assumes that FPlatformProcess::ApplicationSettingsDir() returns a user-specific directory; it doesn't on Windows, but Windows overrides this behavior to use the registry
304 const FString ConfigPath = FString(FPlatformProcess::ApplicationSettingsDir()) / InStoreId / FString(TEXT("KeyValueStore.ini"));
305
306 FConfigFile ConfigFile;
307 ConfigFile.Read(ConfigPath);
308
Most recent user affected CL: 2946394
Logs:
[Link Removed]
[Link Removed]
[Link Removed]
Issues with Same/Similar Callstack: [Link Removed], [Link Removed]
CrashReporter User Descriptions:
Repro steps unknown
UE4Editor-Core.dylib!FArchiveFileReaderGeneric::InternalPrecache() UE4Editor-Core.dylib!FArchiveFileReaderGeneric::Serialize() UE4Editor-DerivedDataCache.dylib!FMemoryDerivedDataBackend::LoadCache() UE4Editor-DerivedDataCache.dylib!FDerivedDataBackendGraph::ParseBootCache() UE4Editor-DerivedDataCache.dylib!FDerivedDataBackendGraph::ParseNode() UE4Editor-DerivedDataCache.dylib!FDerivedDataBackendGraph::ParseHierarchicalCache() UE4Editor-DerivedDataCache.dylib!FDerivedDataBackendGraph::ParseNode() UE4Editor-DerivedDataCache.dylib!FDerivedDataBackendGraph::ParseAsyncPut() UE4Editor-DerivedDataCache.dylib!FDerivedDataBackendGraph::ParseNode() UE4Editor-DerivedDataCache.dylib!FDerivedDataBackendGraph::ParseKeyLength() UE4Editor-DerivedDataCache.dylib!FDerivedDataBackendGraph::ParseNode() UE4Editor-DerivedDataCache.dylib!FDerivedDataBackendGraph::FDerivedDataBackendGraph() UE4Editor-DerivedDataCache.dylib!FDerivedDataCache::FDerivedDataCache() UE4Editor-DerivedDataCache.dylib!InternalSingleton() UE4Editor-DerivedDataCache.dylib!FDerivedDataCacheModule::GetDDC() UE4Editor-DerivedDataCache.dylib!FDerivedDataCacheModule::StartupModule() UE4Editor-Core.dylib!FModuleManager::LoadModuleWithFailureReason() UE4Editor-Core.dylib!FModuleManager::LoadModule() UE4Editor-Core.dylib!IDerivedDataCacheModule* FModuleManager::LoadModulePtr<IDerivedDataCacheModule>() UE4Editor-Core.dylib!GetDerivedDataCache() UE4Editor-Core.dylib!GetDerivedDataCacheRef() UE4Editor-Engine.dylib!GetGlobalShaderMap() UE4Editor!FEngineLoop::PreInit() UE4Editor!GuardedMain() UE4Editor!<Unknown> UE4Editor-Core.dylib!<Unknown> Foundation!Unknown() libsystem_pthread.dylib!<Unknown> libsystem_pthread.dylib!<Unknown> libsystem_pthread.dylib!<Unknown>
Why does the REMOVE method of map container remove elements have memory leaks?
How does TextureRenderTarget2D get TArray<uint8> type data?
What is the cause of the packaging error falling back to 'GameUserSettings' in ue5?
How do I set a material as a post-processing material?
How to delete some elements correctly when deleting an array loop?
What is the difference between Camera and CineCamera?
How to implement springarm components to scale according to mouse position in spawn?
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-31175 in the post.
| 0 |
| Component | UE - Platform - Apple |
|---|---|
| Affects Versions | 4.11 |
| Target Fix | 4.13 |
| Created | May 23, 2016 |
|---|---|
| Resolved | Aug 8, 2016 |
| Updated | Apr 27, 2018 |