fetchedResultsController によって駆動される単純なテーブル ビュー コントローラーがあり、それを選択すると頻繁にクラッシュし、クラッシュ ログは次のようになります。
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0xc21eb7ad
Crashed Thread: 0
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0 libobjc.A.dylib 0x3c0ce5d0 objc_msgSend + 16
1 UIKit 0x3623c564 -[UITableView(UITableViewInternal) _createPreparedCellForGlobalRow:withIndexPath:] + 404
2 UIKit 0x3622138c -[UITableView(_UITableViewPrivate) _updateVisibleCellsNow:] + 1312
3 UIKit 0x36238822 -[UITableView layoutSubviews] + 202
4 UIKit 0x361f48c2 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 254
5 QuartzCore 0x35fa050e -[CALayer layoutSublayers] + 210
6 QuartzCore 0x35fa00b0 CA::Layer::layout_if_needed(CA::Transaction*) + 456
7 QuartzCore 0x35fa0fd4 CA::Layer::layout_and_display_if_needed(CA::Transaction*) + 12
8 QuartzCore 0x35fa09be CA::Context::commit_transaction(CA::Transaction*) + 234
9 QuartzCore 0x35fa07d0 CA::Transaction::commit() + 312
10 QuartzCore 0x35fa0634 CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 56
11 CoreFoundation 0x343b793e __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 18
12 CoreFoundation 0x343b5c34 __CFRunLoopDoObservers + 272
13 CoreFoundation 0x343b5f8e __CFRunLoopRun + 742
14 CoreFoundation 0x34329238 CFRunLoopRunSpecific + 352
15 CoreFoundation 0x343290c4 CFRunLoopRunInMode + 100
16 GraphicsServices 0x37f07336 GSEventRunModal + 70
17 UIKit 0x362452b4 UIApplicationMain + 1116
18 Introdex 0x0011e538 0xa3000 + 505144
19 Introdex 0x000a5a24 0xa3000 + 10788
Thread 1 name: Dispatch queue: com.apple.libdispatch-manager
Thread 1:
0 libsystem_kernel.dylib 0x3c5b75d0 kevent64 + 24
1 libdispatch.dylib 0x3c4f2d22 _dispatch_mgr_invoke + 806
2 libdispatch.dylib 0x3c4ee374 _dispatch_mgr_thread + 32
Thread 2 name: WebThread
Thread 2:
0 libsystem_kernel.dylib 0x3c5b6e30 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x3c5b6fd0 mach_msg + 48
2 CoreFoundation 0x343b72b6 __CFRunLoopServiceMachPort + 126
3 CoreFoundation 0x343b602c __CFRunLoopRun + 900
4 CoreFoundation 0x34329238 CFRunLoopRunSpecific + 352
5 CoreFoundation 0x343290c4 CFRunLoopRunInMode + 100
6 WebCore 0x3a328390 RunWebThread(void*) + 440
7 libsystem_c.dylib 0x3c5200de _pthread_start + 306
8 libsystem_c.dylib 0x3c51ffa4 thread_start + 4
Thread 3:
0 libsystem_kernel.dylib 0x3c5b6e30 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x3c5b6fd0 mach_msg + 48
2 CoreFoundation 0x343b72b6 __CFRunLoopServiceMachPort + 126
3 CoreFoundation 0x343b602c __CFRunLoopRun + 900
4 CoreFoundation 0x34329238 CFRunLoopRunSpecific + 352
5 CoreFoundation 0x343290c4 CFRunLoopRunInMode + 100
6 Foundation 0x34c4d5be -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 250
7 Foundation 0x34cf0c40 -[NSRunLoop(NSRunLoop) run] + 76
8 Introdex 0x0021924c 0xa3000 + 1532492
9 Foundation 0x34cfa22c __NSThread__main__ + 968
10 libsystem_c.dylib 0x3c5200de _pthread_start + 306
11 libsystem_c.dylib 0x3c51ffa4 thread_start + 4
Thread 4 name: com.apple.NSURLConnectionLoader
Thread 4:
0 libsystem_kernel.dylib 0x3c5b6e30 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x3c5b6fd0 mach_msg + 48
2 CoreFoundation 0x343b72b6 __CFRunLoopServiceMachPort + 126
3 CoreFoundation 0x343b602c __CFRunLoopRun + 900
4 CoreFoundation 0x34329238 CFRunLoopRunSpecific + 352
5 CoreFoundation 0x343290c4 CFRunLoopRunInMode + 100
6 Foundation 0x34c76888 +[NSURLConnection(Loader) _resourceLoadLoop:] + 304
7 Foundation 0x34cfa22c __NSThread__main__ + 968
8 libsystem_c.dylib 0x3c5200de _pthread_start + 306
9 libsystem_c.dylib 0x3c51ffa4 thread_start + 4
Thread 5 name: com.apple.CFSocket.private
Thread 5:
0 libsystem_kernel.dylib 0x3c5c7594 __select + 20
1 CoreFoundation 0x343bb474 __CFSocketManager + 676
2 libsystem_c.dylib 0x3c5200de _pthread_start + 306
3 libsystem_c.dylib 0x3c51ffa4 thread_start + 4
Thread 6 name: JavaScriptCore::BlockFree
Thread 6:
0 libsystem_kernel.dylib 0x3c5c708c __psynch_cvwait + 24
1 libsystem_c.dylib 0x3c518afc _pthread_cond_wait + 644
2 libsystem_c.dylib 0x3c518870 pthread_cond_timedwait + 40
3 JavaScriptCore 0x382fddf6 WTF::ThreadCondition::timedWait(WTF::Mutex&, double) + 102
4 JavaScriptCore 0x38410532 JSC::BlockAllocator::blockFreeingThreadMain() + 78
5 JavaScriptCore 0x38423030 WTF::wtfThreadEntryPoint(void*) + 12
6 libsystem_c.dylib 0x3c5200de _pthread_start + 306
7 libsystem_c.dylib 0x3c51ffa4 thread_start + 4
Thread 7 name: JavaScriptCore::Marking
Thread 7:
0 libsystem_kernel.dylib 0x3c5c708c __psynch_cvwait + 24
1 libsystem_c.dylib 0x3c518afc _pthread_cond_wait + 644
2 libsystem_c.dylib 0x3c522cf8 pthread_cond_wait + 36
3 JavaScriptCore 0x383a36dc JSC::SlotVisitor::drainFromShared(JSC::SlotVisitor::SharedDrainMode) + 140
4 JavaScriptCore 0x383a3620 JSC::MarkStackThreadSharedData::markingThreadMain() + 140
5 JavaScriptCore 0x38423030 WTF::wtfThreadEntryPoint(void*) + 12
6 libsystem_c.dylib 0x3c5200de _pthread_start + 306
7 libsystem_c.dylib
このクラッシュログの意味を誰か説明してくれませんか。私はそれを正しく読むことができず、これが実際に何を意味するのかわかりません。誰かが私を助けることができれば、それは本当に素晴らしいことです.