iPhone應用程序崩潰很少能夠告訴我跟隨Log的崩潰原因嗎？

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我正在做與標籤欄應用程序與四個選項卡，而切換兩個視圖的標籤中我得到的問題告訴我爲什麼發生這種情況，並幫助我解決這個問題。這裏是Log while crashing應用程序。iPhone應用程序崩潰很少能夠告訴我跟隨Log的崩潰原因嗎？

Mon Jul 16 21:07:55 unknown MyApp[167] <Warning>: NVVC Dealloc 
     Mon Jul 16 21:08:23 unknown com.apple.launchd[1] <Notice>: (UIKitApplication:com.company.MyApp[0xe271]) Bug: launchd_core_logic.c:2688 (24132):10 
     Mon Jul 16 21:08:23 unknown com.apple.launchd[1] <Notice>: (UIKitApplication:com.company.MyApp[0xe271]) Working around 5020256. Assuming the job crashed. 
     Mon Jul 16 21:08:23 unknown com.apple.launchd[1] <Warning>: (UIKitApplication:com.company.MyApp[0xe271]) Job appears to have crashed: Segmentation 
     fault 
     Mon Jul 16 21:08:23 unknown SpringBoard[29] <Warning>: Application 'MyApp' exited abnormally with signal 11: Segmentation fault 
     Mon Jul 16 21:09:04 unknown lockdownd[20] <Error>: (0x403000) handle_connection: Could not receive USB message #7 from Xcode. Killing connection 
     Mon Jul 16 22:00:39 unknown com.apple.launchd[1] <Notice>: (UIKitApplication:com.apple.mobilemail[0x55fb]) Exited: Killed 
     Mon Jul 16 22:00:39 unknown com.apple.launchd[1] <Notice>: (UIKitApplication:com.apple.mobilephone[0xa13c]) Exited: Killed 
     Mon Jul 16 22:00:39 unknown com.apple.launchd[1] <Notice>: (UIKitApplication:com.MyApp.app[0x137]) Exited: Killed 
     Mon Jul 16 22:00:39 unknown com.apple.launchd[1] <Notice>: (com.apple.accessoryd) Exited: Killed 
     Mon Jul 16 22:00:41 unknown SpringBoard[29] <Warning>: Application 'Mail' exited abnormally with signal 9: Killed 
     Mon Jul 16 22:00:41 unknown SpringBoard[29] <Warning>: Memory level is not normal (15%). Delaying auto-relaunch of 'Mail' for 30 seconds. Mon Jul 16 22:00:41 unknown SpringBoard[29] <Warning>: Application 'app' exited abnormally with signal 9: Killed 
     Mon Jul 16 22:00:42 unknown SpringBoard[29] <Warning>: Application 'Phone' exited abnormally with signal 9: Killed

來源

2012-07-18 Srinivas4iPhone