问题描述
我使用MonoTouch开发的iPhone应用程序有问题。
我正在开发一个联系WCF服务的应用程序，当WCF服务回复时，我用返回的数据更新UITableView，完成后，它会发送一个新的WCF异步调用，当它回复时，它会再次更新表，依此类推。
I have a problem with my iPhone application developed with MonoTouch.
I am developing an application that contacts a WCF Service, and when the WCF Service answer back, I update an UITableView with the returned data, when this is done it sends a new WCF async call, and when it answer back it updates the table again and so on.
问题在于，当它在不同的时间内完成此操作时，它会因Mprotect失败错误12而崩溃。这只会在应用程序直接运行时发生手机而不是模拟器。
The problem is that when it has done this in a variable amount of time, it crashes with an Mprotect failed error 12. This only happens when the application is running directly on the phone and not in the simulator.
我试图在发布表更新的地方发表评论，并在向WCF服务发送下一个异步请求之前创建一个Thread.Sleep（1000），但是仍然是相同的错误，但可以运行更长时间失败。
I have tried to out comment where the update of the table happens, and making a Thread.Sleep(1000) before sending the next Async request to the WCF Service, but still the same error, but can run longer with out failing.
我通过代理文件联系WCF服务，该文件由SlSvcUtil.exe / noConfig生成
I contact the WCF Service through the "proxy" files, generated by SlSvcUtil.exe /noConfig http://mydomain/myservice.svc
我的问题是，可以通过某种方式避免此错误，也可以使用解决方法？这是我的错，还是一个错误？这实际上是因为我将在最后的学校项目中使用该应用程序，所以如果我可以修复它可能会很好。
My question is that can this error be avoid in a way or maybe with a workaround? Is it my fault, or is it a bug? It is actually because I shall use the application in my final school project, so it could be nice if I could fix it.
我发布了控制台输出，以及崩溃报告中的一部分，但是如果您需要更多信息请告诉我，我会发布它。我不是专业人士使用Mono或MonoTouch环境，这是我的第一次，所以详细的回复会很好。
I post the console output, and a part from the crash report, but if you need more info please tell me, and I will post it. I am not a pro to use Mono or the MonoTouch environment it is my first time, so detailed responses would be nice.
控制台输出：
Mon Dec 27 20:37:17 tests-iPhone UIKitApplication:dk.test.iphone[0x1c3c][625] <Notice>: Mprotect failed at 0xa09a000 (length 1052672) with errno 12
Mon Dec 27 20:37:17 tests-iPhone UIKitApplication:dk.test.iphone[0x1c3c][625] <Notice>: Stacktrace:
Mon Dec 27 20:37:17 tests-iPhone UIKitApplication:dk.test.iphone[0x1c3c][625] <Notice>: at (wrapper managed-to-native) MonoTouch.UIKit.UIApplication.UIApplicationMain (int,string[],intptr,intptr) <0xffffffff>
Mon Dec 27 20:37:17 tests-iPhone UIKitApplication:dk.test.iphone[0x1c3c][625] <Notice>: at MonoTouch.UIKit.UIApplication.Main (string[],string,string) <0x000e0>
Mon Dec 27 20:37:17 tests-iPhone UIKitApplication:dk.test.iphone[0x1c3c][625] <Notice>: at MonoTouch.UIKit.UIApplication.Main (string[]) <0x00023>
Mon Dec 27 20:37:17 tests-iPhone UIKitApplication:dk.test.iphone[0x1c3c][625] <Notice>: at iPhoneStdView.Application.Main (string[]) <0x0001b>
Mon Dec 27 20:37:17 tests-iPhone UIKitApplication:dk.test.iphone[0x1c3c][625] <Notice>: at (wrapper runtime-invoke) object.runtime_invoke_dynamic (intptr,intptr,intptr,intptr) <0x000c3>
Mon Dec 27 20:37:17 tests-iPhone UIKitApplication:dk.test.iphone[0x1c3c][625] <Notice>: Native stacktrace:
Mon Dec 27 20:37:18 tests-iPhone ReportCrash[635] <Notice>: Formulating crash report for process iPhoneNoNavigation[625]
Mon Dec 27 20:37:18 tests-iPhone com.apple.launchd[1] (UIKitApplication:dk.test.iphone[0x1c3c][625]) <Warning>: (UIKitApplication:dk.test.iphone[0x1c3c]) Job appears to have crashed: Abort trap
Mon Dec 27 20:37:18 tests-iPhone SpringBoard[27] <Warning>: Application 'iPhoneStdView' exited abnormally with signal 6: Abort trap
崩溃报告：
Thread 0 Crashed:
0 dyld 0x2fe08110 0x2fe00000 + 33040
1 libSystem.B.dylib 0x3020259e 0x301ff000 + 13726
2 libSystem.B.dylib 0x302531da 0x301ff000 + 344538
3 iPhoneNoNavigation 0x0051975c 0x1000 + 5343068
4 iPhoneNoNavigation 0x00538080 0x1000 + 5468288
5 libSystem.B.dylib 0x302765cc 0x301ff000 + 488908
6 libSystem.B.dylib 0x30201d64 0x301ff000 + 11620
7 CoreFoundation 0x3081fc38 0x307f8000 + 162872
8 CoreFoundation 0x3081f4c2 0x307f8000 + 160962
9 CoreFoundation 0x3081f270 0x307f8000 + 160368
10 CoreFoundation 0x3081f178 0x307f8000 + 160120
11 GraphicsServices 0x31e445ec 0x31e40000 + 17900
12 GraphicsServices 0x31e44698 0x31e40000 + 18072
13 UIKit 0x31e5111c 0x31e4d000 + 16668
14 UIKit 0x31e4f128 0x31e4d000 + 8488
15 iPhoneNoNavigation 0x0006e754 0x1000 + 448340
Thread 0 crashed with ARM Thread State:
r0: 0x35f4d17c r1: 0x302765a9 r2: 0x35989b04 r3: 0x0000000e
r4: 0x2fe29e78 r5: 0x07d17490 r6: 0x302765d3 r7: 0x2fffe24c
r8: 0x00000000 r9: 0x3598762c r10: 0x0000000d r11: 0x07d17470
ip: 0x3598762c sp: 0x2fffe240 lr: 0x3e08dc60 pc: 0x2fe08110
cpsr: 0x20000030
推荐答案
错误12是ENOMEM，你已经耗尽了iphone上可用的所有内存。
Error 12 is ENOMEM, you've exhausted all the memory available on the iphone.
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