iPhone 应用程序在 iOS 4.0 或更高版本上随机崩溃。
我的 iPhone 上的应用程序遇到随机崩溃。这是崩溃日志，让我觉得它可能与线程安全或 UI 行为问题有关。
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x60000008
Crashed Thread: 0
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0 libobjc.A.dylib 0x30de0c98 0x30dde000 + 11416
1 UIKit 0x335e0ec2 0x335c4000 + 118466
2 UIKit 0x3366dc1a 0x335c4000 + 695322
3 CoreFoundation 0x3683456a 0x36826000 + 58730
4 UIKit 0x335e0ec2 0x335c4000 + 118466
5 UIKit 0x335e0e62 0x335c4000 + 118370
6 UIKit 0x335e0e34 0x335c4000 + 118324
7 UIKit 0x335e0b86 0x335c4000 + 117638
8 UIKit 0x335e141c 0x335c4000 + 119836
9 UIKit 0x335dfbee 0x335c4000 + 113646
10 UIKit 0x335df568 0x335c4000 + 111976
11 UIKit 0x335c830c 0x335c4000 + 17164
12 UIKit 0x335c7c4c 0x335c4000 + 15436
13 GraphicsServices 0x31623e70 0x3161f000 + 20080
14 CoreFoundation 0x3689ba90 0x36826000 + 481936
15 CoreFoundation 0x3689d838 0x36826000 + 489528
16 CoreFoundation 0x3689e606 0x36826000 + 493062
17 CoreFoundation 0x3682eebc 0x36826000 + 36540
18 CoreFoundation 0x3682edc4 0x36826000 + 36292
19 GraphicsServices 0x31623418 0x3161f000 + 17432
20 GraphicsServices 0x316234c4 0x3161f000 + 17604
21 UIKit 0x335f2d62 0x335c4000 + 191842
22 UIKit 0x335f0800 0x335c4000 + 182272
23 Tapatalk X 0x00002fa6 0x1000 + 8102
24 Tapatalk X 0x00002f3c 0x1000 + 7996
有时我发现全局变量也会随机损坏。
有什么建议我可以追踪这个问题或者什么工具可以提供帮助吗？谢谢！
I’m facing a random crash with my App on iPhone. Here is the crash log which makes me feel it probably related to thread-safe or UI behavior issues.
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x60000008
Crashed Thread: 0
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0 libobjc.A.dylib 0x30de0c98 0x30dde000 + 11416
1 UIKit 0x335e0ec2 0x335c4000 + 118466
2 UIKit 0x3366dc1a 0x335c4000 + 695322
3 CoreFoundation 0x3683456a 0x36826000 + 58730
4 UIKit 0x335e0ec2 0x335c4000 + 118466
5 UIKit 0x335e0e62 0x335c4000 + 118370
6 UIKit 0x335e0e34 0x335c4000 + 118324
7 UIKit 0x335e0b86 0x335c4000 + 117638
8 UIKit 0x335e141c 0x335c4000 + 119836
9 UIKit 0x335dfbee 0x335c4000 + 113646
10 UIKit 0x335df568 0x335c4000 + 111976
11 UIKit 0x335c830c 0x335c4000 + 17164
12 UIKit 0x335c7c4c 0x335c4000 + 15436
13 GraphicsServices 0x31623e70 0x3161f000 + 20080
14 CoreFoundation 0x3689ba90 0x36826000 + 481936
15 CoreFoundation 0x3689d838 0x36826000 + 489528
16 CoreFoundation 0x3689e606 0x36826000 + 493062
17 CoreFoundation 0x3682eebc 0x36826000 + 36540
18 CoreFoundation 0x3682edc4 0x36826000 + 36292
19 GraphicsServices 0x31623418 0x3161f000 + 17432
20 GraphicsServices 0x316234c4 0x3161f000 + 17604
21 UIKit 0x335f2d62 0x335c4000 + 191842
22 UIKit 0x335f0800 0x335c4000 + 182272
23 Tapatalk X 0x00002fa6 0x1000 + 8102
24 Tapatalk X 0x00002f3c 0x1000 + 7996
Sometimes I find global variables get corrupted randomly too.
Any suggestion how I can trace down this issue or what tools can help? Thanks!
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EXEC_BAD_ACCESS 通常是由于尝试访问已释放的对象而引起的。您可以通过两种方式获取更多信息：
以调试模式执行程序，因此当程序崩溃时您将能够看到堆栈内容；
激活NSZombies或者使用性能工具Zombies运行程序；这将准确地告诉您哪个对象在释放后被访问。
从你的崩溃报告中很难理解发生了什么，因为它没有显示方法名称......什么是 Tapatalk？
EXEC_BAD_ACCESS is usually caused by an attempt to access an already deallocated object. You can get more information in two ways:
execute the program in debug mode, so when it crashes you will be able to see the stack content;
activate NSZombies or run the program using the performance tool Zombies; this will tell you exactly which object was accessed after its deallocation.
From your crash report is very difficult to understand what is happening ,since it does not show method names... what is tapatalk?