我被困了一个多星期，我无法弄清楚为什么我的应用程序只在 IPAD3 ios6.0.1 中崩溃，所有其他 ipad 都没有崩溃，我的应用程序使用了大量内存，因为它下载了很多内容并使用了很多网络浏览量，
这是崩溃日志：
iPad-3 backboardd[51] <Warning>: BKSendGSEvent ERROR sending event type 23: (ipc/send) invalid destination port (0x10000003)
iPad-3 backboardd[51] <Warning>: BKSendGSEvent ERROR sending event type 23: (ipc/send) invalid destination port (0x10000003)
iPad-3 UserEventAgent[13] <Notice>: jetsam: kernel termination snapshot being created
iPad-3 com.apple.launchd[1] (UIKitApplication:com.mmm.ipad[0x1066][1275]) <Notice>: (UIKitApplication:com.mmm.ipad[0x1066]) Exited: Killed: 9
iPad-3 com.apple.debugserver-189[1274] <Warning>: 1 +0.000000 sec [04fa/1303]: error: ::read ( 5, 0x1b5a0c, 1024 ) => -1 err = Bad file descriptor (0x00000009)
backboardd[51] <Warning>: BKSendGSEvent ERROR sending event type 23: (ipc/send) invalid destination port (0x10000003)
iPad-3 backboardd[51] <Warning>: Application 'UIKitApplication:com.mmm.ipad[0x1066]' exited abnormally with signal 9: Killed: 9
<Error>: libMobileGestalt copySystemVersionDictionaryValue: Could not lookup ReleaseType from system version dictionary
<Notice>: Saved crashreport to /Library/Logs/CrashReporter/LowMemory-2013-01-17-114238.plist using uid: 0 gid: 0, synthetic_euid: 0 egid: 0