我有一个应用程序,在前台崩溃。我在根视图控制器中有一个MKMapView。这个根视图控制器在顶部显示了一个模态视图控制器。当模态视图控制器被解除显示时,调用它的viewWillAppear方法后,在根视图控制器中呈现MKMapView时会出现崩溃。这发生在iOS7中。有人知道这种崩溃的原因吗?崩溃发生在前景并且与Occasionally iOS 6 MKMapView crashes in initWithFrame不同。
堆栈跟踪:
堆栈跟踪:
Exception Type: SIGSEGV
Exception Codes: SEGV_ACCERR at 0x200000a0
Crashed Thread: 13
0 IMGSGX543GLDriver 0x2efadfd6 sgxBindCurrentTextures + 118
1 IMGSGX543GLDriver 0x2efaf143 sgxBeginRender + 399
2 IMGSGX543GLDriver 0x2efa75c3 glrClearCore + 235
3 IMGSGX543GLDriver 0x2efa73e5 glrClear + 193
4 GLEngine 0x323640c7 glClear_Exec + 395
5 VectorKit 0x37bf1531 -[VKMapModel drawScene:withContext:] + 125
6 VectorKit 0x37bf13f1 -[VKMapModel recursiveDrawScene:withContext:pass:] + 189
7 VectorKit 0x37bf12d5 -[VKModelObject recursiveDrawScene:withContext:pass:] + 237
8 VectorKit 0x37bf11e1 -[VKWorld drawScene:withContext:] + 45
9 VectorKit 0x37bf0a0d -[VKScreenCanvas _renderCore:] + 353
10 VectorKit 0x37befba7 __36-[VKScreenCanvas drawWithTimestamp:]_block_invoke_2 + 51
11 VectorKit 0x37bd527f -[VGLContext perform:] + 67
12 VectorKit 0x37befb5d __36-[VKScreenCanvas drawWithTimestamp:]_block_invoke + 113
13 libdispatch.dylib 0x3ab36d1b _dispatch_call_block_and_release + 11
14 libdispatch.dylib 0x3ab3d273 _dispatch_queue_drain$VARIANT$mp + 375
15 libdispatch.dylib 0x3ab3d06b _dispatch_queue_invoke$VARIANT$mp + 43
16 libdispatch.dylib 0x3ab3dce1 _dispatch_root_queue_drain + 77
17 libdispatch.dylib 0x3ab3dc23 _dispatch_worker_thread + 87
18 libsystem_pthread.dylib 0x3ac7ac1d _pthread_body + 141
19 libsystem_pthread.dylib 0x3ac7ab8f _pthread_start + 103