我已经在iphone 3GS +和所有ipad上测试了我的应用程序，它只是在加载屏幕完成后给我一个黑屏。它是一个openGL ES应用程序，在这里购买之后就是堆栈跟踪。谁知道问题是什么？
0 Husky Bus Free 0x001950da + 0
1 Husky Bus Free 0x00195d04 + 0
2 libsystem_c.dylib 0x32a0b7ec _sigtramp + 48
3 libGPUSupportMercury.dylib 0x37c360b4 gpus_KillClient + 24
4 libGPUSupportMercury.dylib 0x37c365c0 gpusSubmitDMABuffers + 136
5 IMGSGX543GLDriver 0x3396e536 SubmitPacketsIfAny + 158
6 IMGSGX543GLDriver 0x3396e65a glrFlushContextToken + 38
7 GLEngine 0x34b4ec50 gliPresentViewES + 216
8 OpenGLES 0x358506ba -[EAGLContext presentRenderbuffer:] + 66
9 Husky Bus Free 0x000e72aa + 0
10 Foundation 0x3512360c __NSFireTimer + 144
11 CoreFoundation 0x355d3a32 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 14
12 CoreFoundation 0x355d3698 __CFRunLoopDoTimer + 364
13 CoreFoundation 0x355d226e __CFRunLoopRun + 1206
14 CoreFoundation 0x355554a4 CFRunLoopRunSpecific + 300
15 CoreFoundation 0x3555536c CFRunLoopRunInMode + 104
16 GraphicsServices 0x371f1438 GSEventRunModal + 136
17 UIKit 0x33061cd4 UIApplicationMain + 1080
18 Husky Bus Free 0x000e666c + 0
19 Husky Bus Free 0x000e1393 + 0