title: iPhone: app crash with leak in framework? or is it my fault?
body: <p>I got the following crash logs after my app crashes:</p>
  
  <pre><code>0   libobjc.A.dylib                 0x000034f4 objc_msgSend + 20
  1   UIKit                           0x000a9248 -[UITableView(UITableViewInternal) _createPreparedCellForGlobalRow:withIndexPath:] + 644
  2   UIKit                           0x000a8eac -[UITableView(UITableViewInternal) _createPreparedCellForGlobalRow:] + 44
  3   UIKit                           0x0006f480 -[UITableView(_UITableViewPrivate) _updateVisibleCellsNow:] + 1300
  4   UIKit                           0x0006ce40 -[UITableView layoutSubviews] + 200
  5   UIKit                           0x00014ab0 -[UIView(CALayerDelegate) _layoutSublayersOfLayer:] + 32
  6   CoreFoundation                  0x000285ba -[NSObject(NSObject) performSelector:withObject:] + 18
  7   QuartzCore                      0x0000a61c -[CALayer layoutSublayers] + 176
  8   QuartzCore                      0x0000a2a4 CALayerLayoutIfNeeded + 192
  9   QuartzCore                      0x00009bb0 CA::Context::commit_transaction(CA::Transaction*) + 256
  10  QuartzCore                      0x000097d8 CA::Transaction::commit() + 276
  11  QuartzCore                      0x000119d8 CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 80
  12  CoreFoundation                  0x00074244 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 12
  13  CoreFoundation                  0x00075d9e __CFRunLoopDoObservers + 494
  14  CoreFoundation                  0x000772f6 __CFRunLoopRun + 934
  15  CoreFoundation                  0x0001e0bc CFRunLoopRunSpecific + 220
  16  CoreFoundation                  0x0001dfca CFRunLoopRunInMode + 54
  17  GraphicsServices                0x00003f88 GSEventRunModal + 188
  18  UIKit                           0x00007b40 -[UIApplication _run] + 564
  19  UIKit                           0x00005fb8 UIApplicationMain + 964
  20  my_app                      0x0000291e main (main.m:14)
  21  my_app                      0x000028c8 start + 32
  </code></pre>
  
  <p>or, another times:</p>
  
  <pre><code>0   libobjc.A.dylib                 0x00003508 objc_msgSend + 40
  1   CoreFoundation                  0x00027348 -[NSObject(NSObject) performSelector:withObject:withObject:] + 20
  2   UIKit                           0x00009ae4 -[UIView(Hierarchy) _makeSubtreePerformSelector:withObject:withObject:copySublayers:] + 276
  3   UIKit                           0x00009b04 -[UIView(Hierarchy) _makeSubtreePerformSelector:withObject:withObject:copySublayers:] + 308
  4   UIKit                           0x00009b04 -[UIView(Hierarchy) _makeSubtreePerformSelector:withObject:withObject:copySublayers:] + 308
  5   UIKit                           0x00009b04 -[UIView(Hierarchy) _makeSubtreePerformSelector:withObject:withObject:copySublayers:] + 308
  6   UIKit                           0x00009b04 -[UIView(Hierarchy) _makeSubtreePerformSelector:withObject:withObject:copySublayers:] + 308
  7   UIKit                           0x000099bc -[UIView(Hierarchy) _makeSubtreePerformSelector:withObject:] + 28
  8   UIKit                           0x000095d4 -[UIView(Internal) _addSubview:positioned:relativeTo:] + 448
  9   UIKit                           0x00009400 -[UIView(Hierarchy) addSubview:] + 28
  10  UIKit                           0x0009b788 +[UIViewControllerWrapperView wrapperViewForView:frame:] + 328
  11  UIKit                           0x0009e42c -[UITabBarController transitionFromViewController:toViewController:transition:shouldSetSelected:] + 140
  12  UIKit                           0x0009e38c -[UITabBarController transitionFromViewController:toViewController:] + 32
  13  UIKit                           0x0009d9d0 -[UITabBarController _setSelectedViewController:] + 248
  14  UIKit                           0x0009d8c8 -[UITabBarController setSelectedViewController:] + 12
  15  UIKit                           0x000b8e54 -[UITabBarController _tabBarItemClicked:] + 308
  16  CoreFoundation                  0x00027348 -[NSObject(NSObject) performSelector:withObject:withObject:] + 20
  17  UIKit                           0x0008408c -[UIApplication sendAction:to:from:forEvent:] + 128
  18  UIKit                           0x00083ff4 -[UIApplication sendAction:toTarget:fromSender:forEvent:] + 32
  19  UIKit                           0x000b8c7c -[UITabBar _sendAction:withEvent:] + 416
  20  CoreFoundation                  0x00027348 -[NSObject(NSObject) performSelector:withObject:withObject:] + 20
  21  UIKit                           0x0008408c -[UIApplication sendAction:to:from:forEvent:] + 128
  22  UIKit                           0x00083ff4 -[UIApplication sendAction:toTarget:fromSender:forEvent:] + 32
  23  UIKit                           0x00083fbc -[UIControl sendAction:to:forEvent:] + 44
  24  UIKit                           0x00083c0c -[UIControl(Internal) _sendActionsForEvents:withEvent:] + 528
  25  UIKit                           0x000b8acc -[UIControl sendActionsForControlEvents:] + 16
  26  UIKit                           0x000b890c -[UITabBar(Static) _buttonUp:] + 108
  27  CoreFoundation                  0x00027348 -[NSObject(NSObject) performSelector:withObject:withObject:] + 20
  28  UIKit                           0x0008408c -[UIApplication sendAction:to:from:forEvent:] + 128
  29  UIKit                           0x00083ff4 -[UIApplication sendAction:toTarget:fromSender:forEvent:] + 32
  30  UIKit                           0x00083fbc -[UIControl sendAction:to:forEvent:] + 44
  31  UIKit                           0x00083c0c -[UIControl(Internal) _sendActionsForEvents:withEvent:] + 528
  32  UIKit                           0x00084484 -[UIControl touchesEnded:withEvent:] + 452
  33  UIKit                           0x000824e4 -[UIWindow _sendTouchesForEvent:] + 580
  34  UIKit                           0x00081b18 -[UIWindow sendEvent:] + 388
  35  UIKit                           0x0007c034 -[UIApplication sendEvent:] + 444
  36  UIKit                           0x0007b7e8 _UIApplicationHandleEvent + 6704
  37  GraphicsServices                0x00004edc PurpleEventCallback + 1024
  38  CoreFoundation                  0x000742ac __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 22
  39  CoreFoundation                  0x000761d6 __CFRunLoopDoSource1 + 158
  40  CoreFoundation                  0x0007718e __CFRunLoopRun + 574
  41  CoreFoundation                  0x0001e0bc CFRunLoopRunSpecific + 220
  42  CoreFoundation                  0x0001dfca CFRunLoopRunInMode + 54
  43  GraphicsServices                0x00003f88 GSEventRunModal + 188
  44  UIKit                           0x00007b40 -[UIApplication _run] + 564
  45  UIKit                           0x00005fb8 UIApplicationMain + 964
  46  my_app                      0x00002ba2 main (main.m:14)
  47  my_app                      0x00002b4c start + 32
  </code></pre>
  
  <p>What's wrong there? I mean - my app is at the bottom of the stack trace in the main-method... I checked for memory leaks - nothing...</p>
  
  <p>Thanks for any help!</p>