A coworker handed me an iPhone that crashed in the middle of our app running. The crash report credits the crash to mc_mobile_tunnel rather than our application.
Process: mc_mobile_tunnel [7322]
Path: /usr/libexec/mc_mobile_tunnel
Identifier: mc_mobile_tunnel
Version: ??? (???)
Code Type: ARM (Native)
Parent Process: launchd [1]
Date/Time: 2011-03-24 13:53:15.294 -0700
OS Version: iPhone OS 3.1.3 (7E18)
Report Version: 104
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x00000000, 0x00000000
Crashed Thread: 0
Thread 0 Crashed:
0 libSystem.B.dylib 0x304a0b2c 0x30410000 + 592684
1 libSystem.B.dylib 0x304a0b1a 0x30410000 + 592666
2 libSystem.B.dylib 0x304a0b0e 0x30410000 + 592654
3 libSystem.B.dylib 0x304b7e34 0x30410000 + 687668
4 libstdc++.6.dylib 0x34162390 0x340fc000 + 418704
5 libobjc.A.dylib 0x329c0898 0x329b8000 + 34968
6 libstdc++.6.dylib 0x3415fa84 0x340fc000 + 408196
7 libstdc++.6.dylib 0x3415fafc 0x340fc000 + 408316
8 libstdc++.6.开发者_开发问答dylib 0x3415fc24 0x340fc000 + 408612
9 libobjc.A.dylib 0x329bee54 0x329b8000 + 28244
10 CoreFoundation 0x3241eb2c 0x323f8000 + 158508
11 CoreFoundation 0x3241eacc 0x323f8000 + 158412
12 Foundation 0x308e1220 0x3089c000 + 283168
13 mc_mobile_tunnel 0x00002884 0x1000 + 6276
14 mc_mobile_tunnel 0x00002030 0x1000 + 4144
What is mc_mobile_tunnel, and why is it taking out my application?
I think symbolizing your crash-log would give you more insight as where exactly the problem might be. See this post for how to do it: How to interpret a crashlog with no references to a specific class
However you need the dSYM
Bundle which you get when you build the application (it's right next to your App in the build folder).
Example:
Symbolized Crashlog http://k.minus.com/jk4X2obwZMI7j.png
Another side remark there is a free service, which I consider to be a must-have, called Testflight which is really great for beta testing as it stores the crash logs online and can also do the symbolization for you.
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