我看到特定于在iOS 8上运行的应用程序的新崩溃。无法弄清楚问题是什么，无法重现问题。发生在App StartUp，App不直接调用OpenGL ES函数。
InitialViewController viewDidAppear方法行＃92我从故事板发起了一个segue：[self performSegueWithIdentifier:segueIdentifier sender:self];其中self是InitialViewController类。
堆栈跟踪：
Thread: Unknown Name (Crashed)
0 libGPUSupportMercury.dylib 0x28c5c8fe gpus_ReturnNotPermittedKillClient + 10
1 libGPUSupportMercury.dylib 0x28c5d249 gldCreateContext + 206
2 GLEngine 0x248a093b gliCreateContextWithShared + 600
3 OpenGLES 0x2497cab3 -[EAGLContext initWithAPI:properties:] + 404
4 CoreImage 0x225ecb8b ___ZN2CI11can_use_gpuEv_block_invoke + 140
5 libdispatch.dylib 0x2fbb98b7 _dispatch_client_callout + 20
6 libdispatch.dylib 0x2fbba4fb dispatch_once_f + 60
7 CoreImage 0x225ecafb _ZN2CI11can_use_gpuEv + 96
8 CoreImage 0x2256ac79 +[CIContext contextWithOptions:] + 186
9 CoreUI 0x27bdc837 CreateSharedCIContext + 76
10 libsystem_pthread.dylib 0x2fd1ddcf __pthread_once_handler + 48
11 libsystem_platform.dylib 0x2fd16867 _os_once + 40
12 libsystem_pthread.dylib 0x2fd1bf8b pthread_once + 48
13 CoreUI 0x27bdc7d9 +[CUIShapeEffectStack sharedCIContext] + 26
14 CoreUI 0x27be3af7 -[CUICatalog imageByStylingImage:stylePresetName:styleConfiguration:foregroundColor:scale:] + 80
15 UIKit 0x256c89db -[UIImage _imageWithStylePresets:withTintColor:] + 540
16 UIKit 0x25456875 -[UIImageView _setImageViewContents:] + 1074
17 UIKit 0x25455fb5 +[UIView(Animation) performWithoutAnimation:] + 70
18 UIKit 0x25747db9 -[UIImageView _updateImageViewForOldImage:newImage:] + 674
19 UIKit 0x254559c7 -[UIImageView setImage:] + 264
20 UIKit 0x254f01b1 -[UINavigationBar _updateBackIndicatorImage] + 346
21 UIKit 0x254d4143 -[UINavigationBar layoutSubviews] + 2480
22 UIKit 0x25446b37 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 512
23 QuartzCore 0x24e6eccd -[CALayer layoutSublayers] + 134
24 QuartzCore 0x24e6a6b5 _ZN2CA5Layer16layout_if_neededEPNS_11TransactionE + 358
25 UIKit 0x25459183 -[UIView(Hierarchy) layoutBelowIfNeeded] + 136
26 UIKit 0x25455fb5 +[UIView(Animation) performWithoutAnimation:] + 70
27 UIKit 0x254d2fc5 -[UINavigationController _positionNavigationBarHidden:edge:initialOffset:] + 786
28 UIKit 0x254d2c63 -[UINavigationController _positionNavigationBarHidden:edge:] + 200
29 UIKit 0x254cf875 -[UINavigationController loadView] + 246
30 UIKit 0x254493d9 -[UIViewController loadViewIfRequired] + 66
31 UIKit 0x2544935d -[UIViewController view] + 22
32 UIKit 0x254f1faf -[UIViewController shouldAutorotate] + 24
33 UIKit 0x2552bbd7 -[UIViewController _preferredInterfaceOrientationForPresentationInWindow:fromInterfaceOrientation:] + 248
34 UIKit 0x2552a2b9 -[UIWindowController transition:fromViewController:toViewController:target:didEndSelector:animation:] + 2118
35 UIKit 0x2572be1f -[UIViewController _windowControllerBasedPresentViewController:withTransition:completion:] + 4896
36 UIKit 0x2572c4ab __62-[UIViewController presentViewController:animated:completion:]_block_invoke + 256
37 UIKit 0x25529243 -[UIViewController presentViewController:animated:completion:] + 192
38 UIKit 0x2572c63f -[UIViewController presentModalViewController:animated:] + 28
39 MyAppName 0x00082901 -[InitialViewController viewDidAppear:] (InitialViewController.m:92)
40 UIKit 0x2545ed5f -[UIViewController _setViewAppearState:isAnimating:] + 500
41 UIKit 0x254c322f -[UIViewController _executeAfterAppearanceBlock] + 52
42 UIKit 0x254c31bd _applyBlockToCFArrayCopiedToStack + 306
43 UIKit 0x2543f127 _afterCACommitHandler + 484
44 CoreFoundation 0x21f725cd __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 18
45 CoreFoundation 0x21f6fc8b __CFRunLoopDoObservers + 276
46 CoreFoundation 0x21f70093 __CFRunLoopRun + 912
47 CoreFoundation 0x21ebe621 CFRunLoopRunSpecific + 474
48 CoreFoundation 0x21ebe433 CFRunLoopRunInMode + 104
49 GraphicsServices 0x2926c0a9 GSEventRunModal + 134
50 UIKit 0x254a8809 UIApplicationMain + 1438
51 MyAppName 0x00074329 main (main.m:36)
52 libdyld.dylib 0x2fbd9aaf start + 0
有人可以帮我找一下这个问题的根本原因。
答案 0 :(得分：9)
如果尝试在后台执行OpenGL ES命令，将终止应用程序。
https://developer.apple.com/library/ios/qa/qa1766/_index.html