随机崩溃的可可应用程序

我有随机我的Mac OS X应用程序崩溃，并没有指示我的代码中的错误。如何调试此类错误？我无法访问用户的计算机随机崩溃。随机崩溃的可可应用程序

这里是崩溃日志的示例：

OS Version:  Mac OS X 10.8 (12A269) 

Report Version: 10 



Crashed Thread: 0 Dispatch queue: com.apple.main-thread 



Exception Type: EXC_BAD_ACCESS (SIGSEGV) 

Exception Codes: KERN_INVALID_ADDRESS at 0x000000008fe00000 



VM Regions Near 0x8fe00000: 
MALLOC_SMALL   0000000082000000-0000000083800000 [ 24.0M] rw-/rwx SM=PRV 

__TEXT     000000008fe05000-000000008fe38000 [ 204K] r-x/rwx SM=COW /usr/lib/dyld 



Application Specific Information: 

objc_msgSend() selector name: _absorbDeferredNeedsDisplayRegion 





Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 

0 libobjc.A.dylib     0x994d3c0b objc_msgSend + 27 

1 com.apple.AppKit    0x9502985f -[_NSDisplayOperationStack exitDisplayOperationForWindow:] + 602 

2 com.apple.AppKit    0x95181f8b -[NSView(NSLayerKitGlue) _drawViewBackingLayer:inContext:drawingHandler:] + 2523 

3 com.apple.AppKit    0x951814fe -[NSView(NSLayerKitGlue) drawLayer:inContext:] + 167 

4 com.apple.QuartzCore   0x91fe2b6a -[CALayer drawInContext:] + 136 

5 com.apple.QuartzCore   0x920e0b5f backing_callback(CGContext*, void*) + 88 

6 com.apple.QuartzCore   0x91fe1bbd CABackingStoreUpdate_ + 3241 

7 com.apple.QuartzCore   0x91fe0943 CA::Layer::display_() + 1369 

8 com.apple.QuartzCore   0x91fe03e4 -[CALayer _display] + 20 

9 com.apple.QuartzCore   0x91fe03c5 CA::Layer::display() + 221 

10 com.apple.QuartzCore   0x91fe02e3 -[CALayer display] + 20 

11 com.apple.QuartzCore   0x91fe020b CA::Layer::display_if_needed(CA::Transaction*) + 673 

12 com.apple.QuartzCore   0x91fdfa84 CA::Layer::layout_and_display_if_needed(CA::Transaction*) + 38 

13 com.apple.QuartzCore   0x91fd4cfa CA::Context::commit_transaction(CA::Transaction*) + 338 

14 com.apple.QuartzCore   0x91fd4a70 CA::Transaction::commit() + 362 

15 com.apple.QuartzCore   0x91fd487d CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 67 

16 com.apple.CoreFoundation  0x98c7b51e __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 30 

17 com.apple.CoreFoundation  0x98c7b45d __CFRunLoopDoObservers + 381 

18 com.apple.CoreFoundation  0x98c54d85 CFRunLoopRunSpecific + 405 

19 com.apple.CoreFoundation  0x98c54bdb CFRunLoopRunInMode + 123 

20 com.apple.HIToolbox    0x9a0ef8aa RunCurrentEventLoopInMode + 242 

21 com.apple.HIToolbox    0x9a0ef619 ReceiveNextEventCommon + 374 

22 com.apple.HIToolbox    0x9a0ef494 BlockUntilNextEventMatchingListInMode + 88 

23 com.apple.AppKit    0x94fefa5a _DPSNextEvent + 724 

24 com.apple.AppKit    0x94fef28c -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 119 

25 com.apple.AppKit    0x94fe56dc -[NSApplication run] + 855 

26 com.apple.AppKit    0x94f888e6 NSApplicationMain + 1053 

Thread 1:: Dispatch queue: com.apple.libdispatch-manager 

0 libsystem_kernel.dylib   0x95af69ae kevent + 10 

1 libdispatch.dylib    0x94e00cc5 _dispatch_mgr_invoke + 993 

2 libdispatch.dylib    0x94e007fd _dispatch_mgr_thread + 53 



Thread 2:: com.apple.CFSocket.private 

0 libsystem_kernel.dylib   0x95af5be6 __select + 10 

1 com.apple.CoreFoundation  0x98c99320 __CFSocketManager + 1632 

2 libsystem_c.dylib    0x9918b557 _pthread_start + 344 

3 libsystem_c.dylib    0x99175cee thread_start + 34 



Thread 3: 

0 libsystem_kernel.dylib   0x95af37d2 mach_msg_trap + 10 

1 libsystem_kernel.dylib   0x95af2cb0 mach_msg + 68 

2 com.apple.CoreFoundation  0x98c4fcc9 __CFRunLoopServiceMachPort + 185 

3 com.apple.CoreFoundation  0x98c556af __CFRunLoopRun + 1247 

4 com.apple.CoreFoundation  0x98c54d6a CFRunLoopRunSpecific + 378 

5 com.apple.CoreFoundation  0x98c54bdb CFRunLoopRunInMode + 123 

6 com.apple.Foundation   0x97b2ca86 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 278 

7 com.apple.Foundation   0x97abe8f0 -[NSRunLoop(NSRunLoop) run] + 76 

8 [cut by author]    0x003de1dd +[HTTPServer bonjourThread] + 173 

9 com.apple.Foundation   0x97b27318 -[NSThread main] + 45 

10 com.apple.Foundation   0x97b2729b __NSThread__main__ + 1396 

11 libsystem_c.dylib    0x9918b557 _pthread_start + 344 

12 libsystem_c.dylib    0x99175cee thread_start + 34 



Thread 4:: com.apple.NSURLConnectionLoader 

0 libsystem_kernel.dylib   0x95af37d2 mach_msg_trap + 10 

1 libsystem_kernel.dylib   0x95af2cb0 mach_msg + 68 

2 com.apple.CoreFoundation  0x98c4fcc9 __CFRunLoopServiceMachPort + 185 

3 com.apple.CoreFoundation  0x98c556af __CFRunLoopRun + 1247 

4 com.apple.CoreFoundation  0x98c54d6a CFRunLoopRunSpecific + 378 

5 com.apple.CoreFoundation  0x98c54bdb CFRunLoopRunInMode + 123 

6 com.apple.Foundation   0x97ac329a +[NSURLConnection(Loader) _resourceLoadLoop:] + 395 

7 com.apple.Foundation   0x97b27318 -[NSThread main] + 45 

8 com.apple.Foundation   0x97b2729b __NSThread__main__ + 1396 

9 libsystem_c.dylib    0x9918b557 _pthread_start + 344 

10 libsystem_c.dylib    0x99175cee thread_start + 34 



Thread 5: 

0 libsystem_kernel.dylib   0x95af60ee __workq_kernreturn + 10 

1 libsystem_c.dylib    0x9918e04c _pthread_workq_return + 45 

2 libsystem_c.dylib    0x9918de19 _pthread_wqthread + 448 

3 libsystem_c.dylib    0x99175cca start_wqthread + 30 



Thread 6: 

0 libsystem_kernel.dylib   0x95af60ee __workq_kernreturn + 10 

1 libsystem_c.dylib    0x9918e04c _pthread_workq_return + 45 

2 libsystem_c.dylib    0x9918de19 _pthread_wqthread + 448 

3 libsystem_c.dylib    0x99175cca start_wqthread + 30 



Thread 7: 

0 libsystem_kernel.dylib   0x95af60ee __workq_kernreturn + 10 

1 libsystem_c.dylib    0x9918e04c _pthread_workq_return + 45 

2 libsystem_c.dylib    0x9918de19 _pthread_wqthread + 448 

3 libsystem_c.dylib    0x99175cca start_wqthread + 30 



Thread 8: 

0 libsystem_kernel.dylib   0x95af60ee __workq_kernreturn + 10 

1 libsystem_c.dylib    0x9918e04c _pthread_workq_return + 45 

2 libsystem_c.dylib    0x9918de19 _pthread_wqthread + 448 

3 libsystem_c.dylib    0x99175cca start_wqthread + 30 



Thread 9: 

0 libsystem_kernel.dylib   0x95af60ee __workq_kernreturn + 10 

1 libsystem_c.dylib    0x9918e04c _pthread_workq_return + 45 

2 libsystem_c.dylib    0x9918de19 _pthread_wqthread + 448 

3 libsystem_c.dylib    0x99175cca start_wqthread + 30 



Thread 10: 

0 libsystem_kernel.dylib   0x95af60ee __workq_kernreturn + 10 

1 libsystem_c.dylib    0x9918e04c _pthread_workq_return + 45 

2 libsystem_c.dylib    0x9918de19 _pthread_wqthread + 448 

3 libsystem_c.dylib    0x99175cca start_wqthread + 30 



Thread 11: 

0 libsystem_kernel.dylib   0x95af60ee __workq_kernreturn + 10 

1 libsystem_c.dylib    0x9918e04c _pthread_workq_return + 45 

2 libsystem_c.dylib    0x9918de19 _pthread_wqthread + 448 

3 libsystem_c.dylib    0x99175cca start_wqthread + 30 



Thread 0 crashed with X86 Thread State (32-bit): 

    eax: 0x818950b0 ebx: 0xac76a5d8 ecx: 0x9592966f edx: 0x90000000 

    edi: 0x8fe00000 esi: 0x00000000 ebp: 0xbfff8c88 esp: 0xbfff8c54 

    ss: 0x00000023 efl: 0x00010282 eip: 0x994d3c0b cs: 0x0000001b 

    ds: 0x00000023 es: 0x00000023 fs: 0x00000000 gs: 0x0000000f 

    cr2: 0x8fe00000 

Logical CPU: 2

来源

2012-10-02 sergeyne

是否有其他线程？我预计会有。显示来自崩溃报告的堆栈跟踪。我猜你是通过在其中一个线程中执行某些操作而违反线程安全性的，因此主线程会遇到不一致的内部状态。 –

我已更新日志。 – sergeyne

启用NSZombie（制品 - >编辑方案 - >诊断）
添加异常断点（Cmd的-6，按+按钮，在左下角）

后，你应该有更好的堆栈跟踪

来源

2012-10-02 19:56:29 OgreSwamp

随机崩溃的可可应用程序

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