应用程序因重复按下主页按钮并再次重新启动应用程序而崩溃。 它显示错误：＆＃34;应用标识符＆＃34;无法及时更新场景。 可能是什么原因。我无法弄清楚主要问题
Incident Identifier: 27CC9739-D51D-4FB5-93F3-7BA8C77572BA
CrashReporter Key: a07333ad8a068158ccf8ed11924ed38b859af24b
Hardware Model: iPad3,4
Process: App name [4854]
Path: /private/var/mobile/Containers/Bundle /Application/90CB07D8-0D01-4C03-AB81-4F4C6F3360A9/AppName.app/AppName
Identifier: app.identifier
Version: 3.1.1 (3.1)
Code Type: ARM (Native)
Parent Process: launchd [1]
Date/Time: 2015-04-13 19:08:53.410 +0530
Launch Time: 2015-04-13 19:07:54.641 +0530
OS Version: iOS 8.0.2 (12A405)
Report Version: 105
Exception Type: 00000020
Exception Codes: 0x000000008badf00d
Highlighted Thread: 0
Application Specific Information:
appIdentifier failed to scene-update in time
Elapsed total CPU time (seconds): 11.480 (user 11.480, system 0.000), 56% CPU
Elapsed application CPU time (seconds): 10.050, 49% CPU
Thread 0 name: Dispatch queue: NSPersistentStoreCoordinator 0x17fd2370
Thread 0:
0 libsystem_kernel.dylib 0x36d7e2a0 access + 8
1 libsqlite3.dylib 0x36a4f4fa 0x36a33000 + 115962
2 libsqlite3.dylib 0x36a4ec9c 0x36a33000 + 113820
3 libsqlite3.dylib 0x36a4e53c 0x36a33000 + 111932
4 libsqlite3.dylib 0x36a627a6 0x36a33000 + 194470
5 libsqlite3.dylib 0x36a60ed6 sqlite3_step + 414
6 CoreData 0x28aa6ab8 _execute + 96
7 CoreData 0x28aa67ae -[NSSQLiteConnection execute] + 1842
8 CoreData 0x28b8e2b2 newFetchedRowsForFetchPlan_MT + 1002
9 CoreData 0x28ad75c8 -[NSSQLCore newFetchedPKsForSourceID:andRelationship:] + 2292
10 CoreData 0x28ad63ec -[NSSQLCore newValueForRelationship:forObjectWithID:withContext:error:] + 760
11 CoreData 0x28b5ab4c __110- [NSPersistentStoreCoordinator(_NSInternalMethods) newValueForRelationship:forObjectWithID:withContext:error:]_block_invoke + 148
12 CoreData 0x28b607c8 gutsOfBlockToNSPersistentStoreCoordinatorPerform + 260
13 libdispatch.dylib 0x00632ad4 0x631000 + 6868
14 libdispatch.dylib 0x0063a264 0x631000 + 37476
15 CoreData 0x28b54302 _perform + 130
16 CoreData 0x28ad6064 -[NSPersistentStoreCoordinator(_NSInternalMethods) newValueForRelationship:forObjectWithID:withContext:error:] + 220
17 CoreData 0x28ad5e12 -[NSFaultHandler retainedFulfillAggregateFaultForObject:andRelationship:withContext:] + 598
18 CoreData 0x28af49e4 -[_NSFaultingMutableSet willReadWithContents:] + 400
19 CoreData 0x28ad8da8 -[_NSFaultingMutableSet count] + 20
20 CoreData 0x28af2732 -[NSManagedObject(_NSInternalMethods) _propagateDelete:] + 1218
21 CoreData 0x28af20be -[NSManagedObjectContext(_NSInternalChangeProcessing) _propagateDeletesUsingTable:] + 542
22 CoreData 0x28af1e50 -[NSManagedObjectContext(_NSInternalChangeProcessing) _processDeletedObjects:] + 664
23 CoreData 0x28acfabc -[NSManagedObjectContext(_NSInternalChangeProcessing) _propagatePendingDeletesAtEndOfEvent:] + 180
24 CoreData 0x28acec5e -[NSManagedObjectContext(_NSInternalChangeProcessing) _processRecentChanges:] + 1410
25 CoreData 0x28acdcf6 -[NSManagedObjectContext save:] + 218
26 AppName 0x000cd0d2 +[DataDownloader removeDataFromClass:] (DataDownloader.m:2063)
27 AppName 0x000cb6ee -[DataDownloader DeleteTablesFromDb:] (DataDownloader.m:1924)
28 AppName 0x000bcdac -[DataDownloader downloadContentsData] (DataDownloader.m:395)
29 Foundation 0x29aa77c4 __NSFireDelayedPerform + 464
30 CoreFoundation 0x28d694bc __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 12
31 CoreFoundation 0x28d69036 __CFRunLoopDoTimer + 646
32 CoreFoundation 0x28d67286 __CFRunLoopRun + 1414
33 CoreFoundation 0x28cb561c CFRunLoopRunSpecific + 472
34 CoreFoundation 0x28cb542e CFRunLoopRunInMode + 102
35 GraphicsServices 0x3003b0a4 GSEventRunModal + 132
36 UIKit 0x2c2a0354 UIApplicationMain + 1436
37 AppName 0x000ab370 main (main.m:17)
38 libdyld.dylib 0x36cc9aac start + 0
Thread 1 name: Dispatch queue: com.apple.libdispatch-manager
Thread 1:
0 libsystem_kernel.dylib 0x36d7c2a0 kevent64 + 24
1 libdispatch.dylib 0x0063f674 0x631000 + 58996
2 libdispatch.dylib 0x006345ae 0x631000 + 13742
Thread 2:
0 libsystem_kernel.dylib 0x36d909cc __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x36e0aea8 _pthread_wqthread + 788
2 libsystem_pthread.dylib 0x36e0ab80 start_wqthread + 4
Thread 3 name: AVAudioSession Notify Thread
Thread 3:
0 libsystem_kernel.dylib 0x36d7c4f0 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x36d7c2e4 mach_msg + 36
2 CoreFoundation 0x28d68b4e __CFRunLoopServiceMachPort + 142
3 CoreFoundation 0x28d670f4 __CFRunLoopRun + 1012
4 CoreFoundation 0x28cb561c CFRunLoopRunSpecific + 472
5 CoreFoundation 0x28cb542e CFRunLoopRunInMode + 102
6 libAVFAudio.dylib 0x279c771a GenericRunLoopThread::Entry(void*) + 130
7 libAVFAudio.dylib 0x279b9c38 CAPThread::Entry(CAPThread*) + 192
8 libsystem_pthread.dylib 0x36e0ce90 _pthread_body + 136
9 libsystem_pthread.dylib 0x36e0ce02 _pthread_start + 114
10 libsystem_pthread.dylib 0x36e0ab8c thread_start + 4
Thread 4 name: com.apple.coreaudio.AQClient
Thread 4:
0 libsystem_kernel.dylib 0x36d7c4f0 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x36d7c2e4 mach_msg + 36
2 CoreFoundation 0x28d68b4e __CFRunLoopServiceMachPort + 142
3 CoreFoundation 0x28d670f4 __CFRunLoopRun + 1012
4 CoreFoundation 0x28cb561c CFRunLoopRunSpecific + 472
5 CoreFoundation 0x28cb542e CFRunLoopRunInMode + 102
6 AudioToolbox 0x28474cb2 GenericRunLoopThread::Entry(void*) + 130
7 AudioToolbox 0x2845cdf2 CAPThread::Entry(CAPThread*) + 206
8 libsystem_pthread.dylib 0x36e0ce90 _pthread_body + 136
9 libsystem_pthread.dylib 0x36e0ce02 _pthread_start + 114
10 libsystem_pthread.dylib 0x36e0ab8c thread_start + 4
Thread 5 name: com.apple.NSURLConnectionLoader
Thread 5:
0 libsystem_kernel.dylib 0x36d7c4f0 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x36d7c2e4 mach_msg + 36
2 CoreFoundation 0x28d68b4e __CFRunLoopServiceMachPort + 142
3 CoreFoundation 0x28d670f4 __CFRunLoopRun + 1012
4 CoreFoundation 0x28cb561c CFRunLoopRunSpecific + 472
5 CoreFoundation 0x28cb542e CFRunLoopRunInMode + 102
6 CFNetwork 0x2886e3da +[NSURLConnection(Loader) _resourceLoadLoop:] + 482
7 Foundation 0x29ab2386 __NSThread__main__ + 1114
8 libsystem_pthread.dylib 0x36e0ce90 _pthread_body + 136
9 libsystem_pthread.dylib 0x36e0ce02 _pthread_start + 114
10 libsystem_pthread.dylib 0x36e0ab8c thread_start + 4
Thread 6 name: AFNetworking
Thread 6:
0 libsystem_kernel.dylib 0x36d7c4f0 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x36d7c2e4 mach_msg + 36
2 CoreFoundation 0x28d68b4e __CFRunLoopServiceMachPort + 142
3 CoreFoundation 0x28d670f4 __CFRunLoopRun + 1012
4 CoreFoundation 0x28cb561c CFRunLoopRunSpecific + 472
5 CoreFoundation 0x28cb542e CFRunLoopRunInMode + 102
6 Foundation 0x299ed428 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 260
7 Foundation 0x29a3b8e8 -[NSRunLoop(NSRunLoop) run] + 76
8 AppName 0x0013783a +[AFURLConnectionOperation networkRequestThreadEntryPoint:] (AFURLConnectionOperation.m:167)
9 Foundation 0x29ab2386 __NSThread__main__ + 1114
10 libsystem_pthread.dylib 0x36e0ce90 _pthread_body + 136
11 libsystem_pthread.dylib 0x36e0ce02 _pthread_start + 114
12 libsystem_pthread.dylib 0x36e0ab8c thread_start + 4
Thread 7 name: com.apple.CFSocket.private
Thread 7:
0 libsystem_kernel.dylib 0x36d9008c __select + 20
1 CoreFoundation 0x28d6d31a __CFSocketManager + 494
2 libsystem_pthread.dylib 0x36e0ce90 _pthread_body + 136
3 libsystem_pthread.dylib 0x36e0ce02 _pthread_start + 114
4 libsystem_pthread.dylib 0x36e0ab8c thread_start + 4
Thread 8:
0 libsystem_kernel.dylib 0x36d7c4f0 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x36d7c2e4 mach_msg + 36
2 CoreFoundation 0x28d68b4e __CFRunLoopServiceMachPort + 142
3 CoreFoundation 0x28d670f4 __CFRunLoopRun + 1012
4 CoreFoundation 0x28cb561c CFRunLoopRunSpecific + 472
5 CoreFoundation 0x28cfe286 CFRunLoopRun + 94
6 CoreMotion 0x295b6dee 0x29578000 + 257518
7 libsystem_pthread.dylib 0x36e0ce90 _pthread_body + 136
8 libsystem_pthread.dylib 0x36e0ce02 _pthread_start + 114
9 libsystem_pthread.dylib 0x36e0ab8c thread_start + 4
Thread 9:
0 libsystem_kernel.dylib 0x36d909cc __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x36e0aea8 _pthread_wqthread + 788
2 libsystem_pthread.dylib 0x36e0ab80 start_wqthread + 4
No thread state (register information) available
Binary Images:
0xa7000 - 0x332fff AppName armv7 <c2fa8b9a84e93ba591453300c1bdd6ab> /var/mobile/Containers/Bundle /Application/90CB07D8-0D01-4C03-AB81-4F4C6F3360A9/AppNAme.app/AppNAme
0x614000 - 0x61bfff libBacktraceRecording.dylib armv7s <52f18c658c9e391cbd9c4f3c1ec0236b> /Developer/usr/lib /libBacktraceRecording.dylib
0x623000 - 0x62afff libViewDebuggerSupport.dylib armv7s <e43afd4915303efcbabe6f3a8ab8b721> /Developer/Library/PrivateFrameworks/DTDDISupport.framework/libViewDebuggerSupport.dylib
0x631000 - 0x654fff libdispatch.dylib armv7s <1a5ef03f49fb37a8840857bb300d3404> /usr/lib/system/introspection/libdispatch.dylib
0x1fe8c000 - 0x1feaffff dyld armv7s <a5945c39ff6d340f809804781b24106d> /usr/lib/dyld
0x27841000 - 0x279adfff AVFoundation armv7s <291c7a621b65396491697e7a7f728b16> /System/Library/Frameworks /AVFoundation.framework/AVFoundation
0x279ae000 - 0x27a0cfff libAVFAudio.dylib armv7s <1b452a7a75513cf9aa82e59feb7eef33> /System/Library/Frameworks/AVFoundation.framework/libAVFAudio.dylib
0x27a46000 - 0x27a46fff Accelerate armv7s <3b40c742a7323214a5eb836630536bd1> /System/Library/Frameworks/Accelerate.framework/Accelerate
0x27a57000 - 0x27c72fff vImage armv7s <844c5a129a2f3dbe9c0b23824f3254f6> /System/Library/Frameworks/Accelerate.framework/Frameworks/vImage.framework/vImage
0x27c73000 - 0x27d59fff libBLAS.dylib armv7s <aaaefc0f51f23049871f65ea9c4c7151> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libBLAS.dylib
0x27d5a000 - 0x2801efff libLAPACK.dylib armv7s <ba74aac653423b3b9bae4122d84935d8> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libLAPACK.dylib
0x2801f000 - 0x28030fff libLinearAlgebra.dylib armv7s <3df96b6a86303adea6abea68b7b610ac> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libLinearAlgebra.dylib
0x28031000 - 0x280adfff libvDSP.dylib armv7s <fb3e0b030cc5346c89af71af2d17bc27> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libvDSP.dylib
0x280ae000 - 0x280c0fff libvMisc.dylib armv7s <abd4670b295c3f50a2658d0f3f86d78c> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libvMisc.dylib
0x280c1000 - 0x280c1fff vecLib armv7s <9495c9829e28344fb1820d2140fcaf35> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/vecLib
0x280c2000 - 0x280e8fff Accounts armv7s <cf7ceabb9af233f0b657f23423988703> /System/Library/Frameworks/Accounts.framework/Accounts
0x280e9000 - 0x280e9fff AdSupport armv7s <e8991cf968f936d7bcc5ae162b5ede1b> /System/Library/Frameworks/AdSupport.framework/AdSupport
0x280ea000 - 0x2815afff AddressBook armv7s <eeeabdf6b9703b4f846b672d0bb50eeb> /System/Library/Frameworks/AddressBook.framework/AddressBook
0x2815b000 - 0x2827ffff AddressBookUI armv7s <6fe5557b059b3ff38179c43183cfe8c3> /System/Library/Frameworks/AddressBookUI.framework/AddressBookUI
0x28292000 - 0x28416fff AudioCodecs armv7s <701a15a9b4c2355a930d5f52b9cb582b> /System/Library/Frameworks/AudioToolbox.framework/AudioCodecs
0x28417000 - 0x2868afff AudioToolbox armv7s <5cf7594c3e8e33a889f26f9d2b8f74b7> /System/Library/Frameworks/AudioToolbox.framework/AudioToolbox
0x287f2000 - 0x28979fff CFNetwork armv7s <79b211df401f377fb05acc07a57db3ea> /System/Library/Frameworks/CFNetwork.framework/CFNetwork
0x2897a000 - 0x289fafff CloudKit armv7s <aa1d623f3be434a6a75d2e49b41d26b6> /System/Library/Frameworks/CloudKit.framework/CloudKit
0x289fb000 - 0x28a5afff CoreAudio armv7s <5b3129e5e3c23c4fb1052346c18e63b9> /System/Library/Frameworks/CoreAudio.framework/CoreAudio
0x28a73000 - 0x28a90fff CoreBluetooth armv7s <2040fbe8e91833e5a14c2e4961b5995b> /System/Library/Frameworks/CoreBluetooth.framework/CoreBluetooth
0x28a91000 - 0x28c9cfff CoreData armv7s <db7e2287362438249bb753788c64a2b1> /System/Library/Frameworks/CoreData.framework/CoreData
0x28c9d000 - 0x28fc9fff CoreFoundation armv7s <a76fd43513ee3af9af444082a92ad639> /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
0x28fca000 - 0x290f4fff CoreGraphics armv7s <a3d08c6b246236fd9a078619f6c2010b> /System/Library/Frameworks/CoreGraphics.framework/CoreGraphics
0x29134000 - 0x29136fff libCGXType.A.dylib armv7s <8c8f282d69573460983d78cbaebfd8cf> /System/Library/Frameworks/CoreGraphics.framework/Resources/libCGXType.A.dylib
0x29137000 - 0x29141fff libCMSBuiltin.A.dylib armv7s <795fcab613223b6d833937453beb1048> /System/Library/Frameworks/CoreGraphics.framework/Resources/libCMSBuiltin.A.dylib
0x29329000 - 0x29344fff libRIP.A.dylib armv7s <ae6bf33909b531b6abae4b007d9dd46b> /System/Library/Frameworks/CoreGraphics.framework/Resources/libRIP.A.dylib
0x29345000 - 0x29453fff CoreImage armv7s <0dd5152defdf3200b22c29876b05e34b> /System/Library/Frameworks/CoreImage.framework/CoreImage
0x29454000 - 0x294abfff CoreLocation armv7s <9bdb875e9e8939cab03d223432e87ec8> /System/Library/Frameworks/CoreLocation.framework/CoreLocation
答案 0 :(得分：1)
当应用程序变为活动状态时，您正在阻止主线程太长时间。类名DataDownloader非常可疑，听起来应该传递给后台线程。
基本上，只要你看到＆＃34;异常代码：0x000000008badf00d＆＃34;你应该研究一些方法来推迟线程零上发生的任何事情，或者将它从阻塞用户界面的线程移开。