我在该领域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.此根视图控制器在顶部显示模态视图控制器.当模态视图控制器被解除时,在调用其viewWillAppear方法之后,在根视图控制器中呈现MKMapView时,似乎发生了崩溃.这发生在ios7中.任何人都知道造成这种崩溃的原因是什么？崩溃发生在前台,并且与initWithFrame中偶尔出现的iOS 6 MKMapView崩溃不一样
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:] …