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>
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 |
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Affects Versions | 4.11 |
Target Fix | 4.13 |
Created | May 23, 2016 |
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Resolved | Aug 8, 2016 |
Updated | Apr 27, 2018 |