title: How resolve this crash?
body: <p>I run my application on iOS 8.2. The application is running and execute my code well, on one of my tested devices it is crashed. how can i fix it? why it is crash on specific device?</p>
  
  <p>i need a help with my crash report that is re-sybolized from xcode:</p>
  
  <p><strong>UPDATE</strong></p>
  
  <pre><code>  Incident Identifier: BCFDF373-FBBB-426E-815A-E505815A242D
  CrashReporter Key:   7bdf0f8901538029d4ad24b28464939238c4b283
  Hardware Model:      iPhone4,1
  Process:             LEAF_v2 [2488]
  Path:                /private/var/mobile/Containers/Bundle/Application/35BAE7D4-0ED6-4D78-9B4B-442833576306/LEAF_v2.app/LEAF_v2
  Identifier:          com.SDS.LEAF-v2
  Version:             1.0.150329 (1.0)
  Code Type:           ARM (Native)
  Parent Process:      launchd [1]
  
  Date/Time:           2015-03-29 15:10:05.653 +0300
  Launch Time:         2015-03-29 15:03:30.719 +0300
  OS Version:          iOS 8.2 (12D508)
  Report Version:      105
  
  Exception Type:  00000020
  Exception Codes: 0x000000008badf00d
  Highlighted Thread:  8
  
  Application Specific Information:
  com.SDS.LEAF-v2 failed to scene-update in time
  
  Elapsed total CPU time (seconds): 4.080 (user 4.080, system 0.000), 20% CPU 
  Elapsed application CPU time (seconds): 0.006, 0% CPU
  
  Thread 0 name:  Dispatch queue: com.apple.main-thread
  Thread 0:
  0   libsystem_kernel.dylib          0x39ab0c44 __psynch_rw_rdlock + 24
  1   libsystem_pthread.dylib         0x39b2e3a0 _pthread_rwlock_lock + 324
  2   libobjc.A.dylib                 0x394438b6 look_up_class + 106
  3   CoreFoundation                  0x2b628a62 CFRelease + 1158
  4   CoreFoundation                  0x2b6e9510 __CFRunLoopDoBlocks + 200
  5   CoreFoundation                  0x2b6e7cd6 __CFRunLoopRun + 782
  6   CoreFoundation                  0x2b634b4c CFRunLoopRunSpecific + 472
  7   CoreFoundation                  0x2b63495e CFRunLoopRunInMode + 102
  8   GraphicsServices                0x32b9a1a4 GSEventRunModal + 132
  9   UIKit                           0x2ec86c8c UIApplicationMain + 1436
  10  LEAF_v2                         0x000712fc 0x6b000 + 25340
  11  libdyld.dylib                   0x399eaaac start + 0
  
  Thread 1 name:  Dispatch queue: com.apple.libdispatch-manager
  Thread 1:
  0   libsystem_kernel.dylib          0x39a9d24c kevent64 + 24
  1   libdispatch.dylib               0x00940bf4 0x932000 + 60404
  2   libdispatch.dylib               0x00934c8e 0x932000 + 11406
  
  Thread 2 name:  Dispatch queue: com.apple.frontboardservices.workspace.client
  Thread 2:
  0   libsystem_kernel.dylib          0x39ab0d1c __psynch_rw_wrlock + 24
  1   libsystem_pthread.dylib         0x39b2e3ae _pthread_rwlock_lock + 338
  2   libobjc.A.dylib                 0x39449922 objc_duplicateClass + 106
  3   CoreFoundation                  0x2b728cd4 -[NSObject(NSObject) __dealloc_zombie] + 84
  4   FrontBoardServices              0x31fe51bc -[FBSWorkspaceSceneEvent dealloc] + 68
  5   FrontBoardServices              0x31fe52d0 -[FBSWorkspaceSceneUpdateResponseEvent dealloc] + 68
  6   libobjc.A.dylib                 0x3945bd52 objc_object::sidetable_release(bool) + 162
  7   libsystem_blocks.dylib          0x39a05ad8 _Block_release + 216
  8   libdispatch.dylib               0x0093bd84 0x932000 + 40324
  9   libdispatch.dylib               0x00935ac0 0x932000 + 15040
  10  libdispatch.dylib               0x0093db18 0x932000 + 47896
  11  libdispatch.dylib               0x0093ee1c 0x932000 + 52764
  12  libsystem_pthread.dylib         0x39b2dda6 _pthread_wqthread + 666
  13  libsystem_pthread.dylib         0x39b2daf8 start_wqthread + 4
  
  Thread 3 name:  com.apple.coremedia.player.async
  Thread 3:
  0   libsystem_kernel.dylib          0x39a9d4ec semaphore_wait_trap + 8
  1   libdispatch.dylib               0x0093f03a 0x932000 + 53306
  2   MediaToolbox                    0x2d13ab56 fpa_AsyncMovieControlThread + 1962
  3   CoreMedia                       0x2be90bb4 figThreadMain + 184
  4   libsystem_pthread.dylib         0x39b2fde8 _pthread_body + 136
  5   libsystem_pthread.dylib         0x39b2fd5a _pthread_start + 114
  6   libsystem_pthread.dylib         0x39b2db04 thread_start + 4
  
  Thread 4:
  0   libsystem_kernel.dylib          0x39ab0c44 __psynch_rw_rdlock + 24
  1   libsystem_pthread.dylib         0x39b2e3a0 _pthread_rwlock_lock + 324
  2   libobjc.A.dylib                 0x394438b6 look_up_class + 106
  3   CoreFoundation                  0x2b628a62 CFRelease + 1158
  4   CoreFoundation                  0x2b6e720e __CFFinalizeRunLoop + 222
  5   CoreFoundation                  0x2b6e1262 __CFTSDFinalize + 66
  6   libsystem_pthread.dylib         0x39b2ea94 _pthread_tsd_cleanup + 164
  7   libsystem_pthread.dylib         0x39b2e7ce _pthread_exit + 82
  8   libsystem_pthread.dylib         0x39b2de28 _pthread_wqthread + 796
  9   libsystem_pthread.dylib         0x39b2daf8 start_wqthread + 4
  
  Thread 5 name:  com.apple.NSURLConnectionLoader
  Thread 5:
  0   libsystem_kernel.dylib          0x39ab0c44 __psynch_rw_rdlock + 24
  1   libsystem_pthread.dylib         0x39b2e3a0 _pthread_rwlock_lock + 324
  2   libobjc.A.dylib                 0x394438b6 look_up_class + 106
  3   CFNetwork                       0x2b180b94 RunloopBlockContext::_invoke_block(void const*, void*) + 16
  4   CoreFoundation                  0x2b6345be CFArrayApplyFunction + 34
  5   CFNetwork                       0x2b180a76 RunloopBlockContext::perform() + 178
  6   CFNetwork                       0x2b18093e MultiplexerSource::perform() + 214
  7   CFNetwork                       0x2b1807d8 MultiplexerSource::_perform(void*) + 44
  8   CoreFoundation                  0x2b6ea234 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 12
  9   CoreFoundation                  0x2b6e9646 __CFRunLoopDoSources0 + 218
  10  CoreFoundation                  0x2b6e7cc4 __CFRunLoopRun + 764
  11  CoreFoundation                  0x2b634b4c CFRunLoopRunSpecific + 472
  12  CoreFoundation                  0x2b63495e CFRunLoopRunInMode + 102
  13  CFNetwork                       0x2b1e8722 +[NSURLConnection(Loader) _resourceLoadLoop:] + 482
  14  Foundation                      0x2c45d4b6 __NSThread__main__ + 1114
  15  libsystem_pthread.dylib         0x39b2fde8 _pthread_body + 136
  16  libsystem_pthread.dylib         0x39b2fd5a _pthread_start + 114
  17  libsystem_pthread.dylib         0x39b2db04 thread_start + 4
  
  Thread 6 name:  com.apple.CFSocket.private
  Thread 6:
  0   libsystem_kernel.dylib          0x39ab0c44 __psynch_rw_rdlock + 24
  1   libsystem_pthread.dylib         0x39b2e3a0 _pthread_rwlock_lock + 324
  2   libobjc.A.dylib                 0x394438b6 look_up_class + 106
  3   CoreFoundation                  0x2b628a62 CFRelease + 1158
  4   CoreFoundation                  0x2b6eea78 __CFSocketManager + 3296
  5   libsystem_pthread.dylib         0x39b2fde8 _pthread_body + 136
  6   libsystem_pthread.dylib         0x39b2fd5a _pthread_start + 114
  7   libsystem_pthread.dylib         0x39b2db04 thread_start + 4
  
  Thread 7:
  0   libsystem_kernel.dylib          0x39ab0c44 __psynch_rw_rdlock + 24
  1   libsystem_pthread.dylib         0x39b2e3a0 _pthread_rwlock_lock + 324
  2   libobjc.A.dylib                 0x394438b6 look_up_class + 106
  3   CoreFoundation                  0x2b628a62 CFRelease + 1158
  4   CoreFoundation                  0x2b6e720e __CFFinalizeRunLoop + 222
  5   CoreFoundation                  0x2b6e1262 __CFTSDFinalize + 66
  6   libsystem_pthread.dylib         0x39b2ea94 _pthread_tsd_cleanup + 164
  7   libsystem_pthread.dylib         0x39b2e7ce _pthread_exit + 82
  8   libsystem_pthread.dylib         0x39b2de28 _pthread_wqthread + 796
  9   libsystem_pthread.dylib         0x39b2daf8 start_wqthread + 4
  
  Thread 8 name:  Dispatch queue: com.apple.CoreLocation.ConnectionClient.0x14727110.events
  Thread 8:
  0   libsystem_kernel.dylib          0x39a9d504 semaphore_timedwait_trap + 8
  1   libdispatch.dylib               0x0093effa 0x932000 + 53242
  2   CoreLocation                    0x2bddad9a 0x2bdd8000 + 11674
  3   CoreLocation                    0x2bde06f4 0x2bdd8000 + 34548
  4   CoreLocation                    0x2be12ff2 0x2bdd8000 + 241650
  5   CoreLocation                    0x2be11ff6 0x2bdd8000 + 237558
  6   libxpc.dylib                    0x39b45816 _xpc_connection_call_event_handler + 38
  7   libxpc.dylib                    0x39b48392 do_mach_notify_port_destroyed + 118
  8   libxpc.dylib                    0x39b482f4 _Xmach_notify_port_destroyed + 60
  9   libxpc.dylib                    0x39b48292 notify_server + 62
  10  libxpc.dylib                    0x39b43e50 _xpc_connection_mach_event + 1528
  11  libdispatch.dylib               0x0093608e 0x932000 + 16526
  12  libdispatch.dylib               0x0093b91c 0x932000 + 39196
  13  libdispatch.dylib               0x00935788 0x932000 + 14216
  14  libdispatch.dylib               0x0093b91c 0x932000 + 39196
  15  libdispatch.dylib               0x00935ac0 0x932000 + 15040
  16  libdispatch.dylib               0x0093b91c 0x932000 + 39196
  17  libdispatch.dylib               0x00935ac0 0x932000 + 15040
  18  libdispatch.dylib               0x0093db18 0x932000 + 47896
  19  libdispatch.dylib               0x0093ee1c 0x932000 + 52764
  20  libsystem_pthread.dylib         0x39b2dda6 _pthread_wqthread + 666
  21  libsystem_pthread.dylib         0x39b2daf8 start_wqthread + 4
  
  Thread 9 name:  Dispatch queue: com.apple.networking.connection.0x15915300
  Thread 9:
  0   libsystem_kernel.dylib          0x39ab0c44 __psynch_rw_rdlock + 24
  1   libsystem_pthread.dylib         0x39b2e3a0 _pthread_rwlock_lock + 324
  2   libobjc.A.dylib                 0x394480ce lookUpImpOrForward + 390
  3   libobjc.A.dylib                 0x39447f3a _class_lookupMethodAndLoadCache3 + 30
  4   libobjc.A.dylib                 0x3944e1f6 _objc_msgSend_uncached + 22
  5   libsystem_network.dylib         0x39aed45e tcp_connection_event_notify + 462
  6   libsystem_network.dylib         0x39af718a __tcp_connection_init_skt_event_source_block_invoke + 166
  7   libdispatch.dylib               0x0094606e 0x932000 + 82030
  8   libdispatch.dylib               0x00934d68 0x932000 + 11624
  9   libdispatch.dylib               0x0093b91c 0x932000 + 39196
  10  libdispatch.dylib               0x00935ac0 0x932000 + 15040
  11  libdispatch.dylib               0x0093db18 0x932000 + 47896
  12  libdispatch.dylib               0x0093ee1c 0x932000 + 52764
  13  libsystem_pthread.dylib         0x39b2dda6 _pthread_wqthread + 666
  14  libsystem_pthread.dylib         0x39b2daf8 start_wqthread + 4
  
  No thread state (register information) available
  Binary Images:
  </code></pre>