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POHow to read this iphone app crash log
 

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    <p>My app (named MyLittleApplication) crashes randomly when I click on a button that pops view controller. I could use some help (to find out where should I start looking) with crash log:</p> <pre><code>Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x600332e0 Crashed Thread: 0 Thread 0 name: Dispatch queue: com.apple.main-thread Thread 0 Crashed: 0 libobjc.A.dylib 0x351faf78 objc_msgSend + 16 1 Foundation 0x37d0a74c NSKVOPendingNotificationCreate + 216 2 Foundation 0x37d0a652 NSKeyValuePushPendingNotificationPerThread + 62 3 Foundation 0x37cfc744 NSKeyValueWillChange + 408 4 Foundation 0x37cd3848-[NSObject(NSKeyValueObserverNotification) willChangeValueForKey:] + 176 5 Foundation 0x37d55a14 _NSSetPointValueAndNotify + 76 6 UIKit 0x311f825a -[UIScrollView(Static) _adjustContentOffsetIfNecessary] + 1890 7 UIKit 0x31215a54 -[UIScrollView setFrame:] + 548 8 UIKit 0x31215802 -[UITableView setFrame:] + 182 9 POViO 0x000fcac8 0xf8000 + 19144 10 UIKit 0x31211b8e -[UIViewController _setViewAppearState:isAnimating:] + 138 11 UIKit 0x3126b8a8 -[UIViewController beginAppearanceTransition:animated:] + 184 12 UIKit 0x3121490c -[UINavigationController _startTransition:fromViewController:toViewController:] + 832 13 UIKit 0x312144fc -[UINavigationController _startDeferredTransitionIfNeeded] + 244 14 UIKit 0x3125e8e4 _popViewControllerNormal + 184 15 UIKit 0x3125e712 -[UINavigationController _popViewControllerWithTransition:allowPoppingLast:] + 386 16 UIKit 0x31242bba -[UINavigationController popToViewController:transition:] + 626 17 POViO 0x001074e6 0xf8000 + 62694 18 CoreFoundation 0x374553f6 -[NSObject performSelector:withObject:withObject:] + 46 19 UIKit 0x311eae00 -[UIApplication sendAction:to:from:forEvent:] + 56 20 UIKit 0x311eadbc -[UIApplication sendAction:toTarget:fromSender:forEvent:] + 24 21 UIKit 0x311ead9a -[UIControl sendAction:to:forEvent:] + 38 22 UIKit 0x311eab0a -[UIControl(Internal) _sendActionsForEvents:withEvent:] + 486 23 UIKit 0x311eb442 -[UIControl touchesEnded:withEvent:] + 470 24 UIKit 0x311e9924 -[UIWindow _sendTouchesForEvent:] + 312 25 UIKit 0x311e9312 -[UIWindow sendEvent:] + 374 26 UIKit 0x311cf68e -[UIApplication sendEvent:] + 350 27 UIKit 0x311cef34 _UIApplicationHandleEvent + 5820 28 GraphicsServices 0x33c11224 PurpleEventCallback + 876 29 CoreFoundation 0x374cf51c __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 32 30 CoreFoundation 0x374cf4be __CFRunLoopDoSource1 + 134 31 CoreFoundation 0x374ce30c __CFRunLoopRun + 1364 32 CoreFoundation 0x3745149e CFRunLoopRunSpecific + 294 33 CoreFoundation 0x37451366 CFRunLoopRunInMode + 98 34 GraphicsServices 0x33c10432 GSEventRunModal + 130 35 UIKit 0x311fdcce UIApplicationMain + 1074 36 MyLittleApplication 0x000f90ae 0xf8000 + 4270 37 MyLittleApplication 0x000f9048 0xf8000 + 4168 </code></pre> <p>I suspect that it has something to do with notificationCenter and <code>UIDeviceOrientationDidChangeNotifications</code> I use. Is this true or am I looking in the wrong direction?<br> I am calling</p> <pre><code>[notificationCenter removeObserver:self name:UIDeviceOrientationDidChangeNotification object:nil] </code></pre> <p>in <code>viewDidUnload</code>, this shuld be enough?</p> <p>Can you please tell me what bug should i start looking for?</p>
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