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iOS App 遇到 App 异常崩溃后启动一直奔溃的问题，通过 Xcode Devices 实时记录了 log，但是并没有看懂日志文件，现在贴出来请教高人
Dean 2016-09-23 16:59:49 +08:00 6926 次点击这是一个创建于 3380 天前的主题，其中的信息可能已经有所发展或是发生改变。
Sep 23 16:48:26 iPhone-6-white SpringBoard[58] <Error>: SecTrustEvaluate [leaf IssuerCommonName SubjectCommonName] Sep 23 16:48:26 iPhone-6-white SpringBoard[58] <Error>: SecTrustEvaluate [leaf IssuerCommonName SubjectCommonName] Sep 23 16:48:30 iPhone-6-white backboardd[60] <Warning>: CoreAnimation: timed out fence 34def Sep 23 16:48:40 iPhone-6-white SpringBoard[58] <Warning>: Forcing crash report of <FBApplicationProcess: 0x127362170; Liaoba; pid: 291> (reason: 1, description: com.weiling.liaoba.mosheng failed to scene-create after 19.89s (launch took 0.11s of total time limit 20.00s)) Sep 23 16:48:40 iPhone-6-white diagnosticd[83] <Error>: unable to find offset 0x822eb98c in shared cache for arch 'arm64' Sep 23 16:48:40 iPhone-6-white SpringBoard[58] <Warning>: Finished crash reporting. Sep 23 16:48:40 iPhone-6-white SpringBoard[58] <Warning>: BSXPCMessage received error for message: Connection invalid Sep 23 16:48:40 iPhone-6-white SpringBoard[58] <Warning>: BSXPCMessage received error for message: Connection invalid Sep 23 16:48:40 iPhone-6-white SpringBoard[58] <Warning>: BSXPCMessage received error for message: Connection invalid Sep 23 16:48:40 iPhone-6-white com.apple.xpc.launchd[1] (UIKitApplication:com.weiling.liaoba.mosheng[0xc0df][291]) <Notice>: Service exited due to signal: Killed: 9 Sep 23 16:48:40 iPhone-6-white ReportCrash[292] <Warning>: Report of type '109(109_Liaoba)' not saved because the limit of 25 logs has been reached Sep 23 16:48:40 iPhone-6-white ReportCrash[292] <Error>: Notice: This report is abbreviated for syslog inclusion because it could not be saved to disk. Symbolication may be possible by manually cleaning up and including the Binary Image section of a full report from this same device -- good luck! Sep 23 16:48:40 iPhone-6-white ReportCrash[292] <Error>: Process: Liaoba [291] Path: /var/containers/Bundle/Application/296B1307-FBC4-4D43-94D1-E3B67D765924/Liaoba.app/Liaoba OS Version: iOS 9.3.4 (13G35) Sep 23 16:48:40 iPhone-6-white ReportCrash[292] <Error>: Exception Type: 00000020 Exception Codes: 0x000000008badf00d Exception Note: SIMULATED (this is NOT a crash) Highlighted by Thread: 0 Sep 23 16:48:40 iPhone-6-white ReportCrash[292] <Error>: Application Specific Information: com.weiling.liaoba.mosheng failed to scene-create after 19.89s (launch took 0.11s of total time limit 20.00s) Elapsed total CPU time (seconds): 1.410 (user 1.410, system 0.000), 5% CPU Elapsed application CPU time (seconds): 0.019, 0% CPU Sep 23 16:48:40 iPhone-6-white ReportCrash[292] <Error>: Thread 0 name: Dispatch queue: com.apple.main-thread Thread 0: 0 libsystem_kernel.dylib 0x00000001823f9014 0x1823f8000 + 4116 1 libsystem_platform.dylib 0x00000001824d697c 0x1824d4000 + 10620 2 libdispatch.dylib 0x00000001822c63c4 0x1822c4000 + 9156 3 Liaoba 0x00000001006e892c 0x100028000 + 7080236 4 Liaoba 0x00000001006ead28 0x100028000 + 7089448 5 Liaoba 0x00000001006eaf84 0x100028000 + 7090052 6 Liaoba 0x00000001006eadbc 0x100028000 + 7089596 7 Liaoba 0x00000001006e88a8 0x100028000 + 7080104 8 Liaoba 0x00000001006e84bc 0x100028000 + 7079100 9 Liaoba 0x00000001006e8990 0x100028000 + 7080336 10 libdispatch.dylib 0x00000001822c547c 0x1822c4000 + 5244 11 libdispatch.dylib 0x00000001822c62c0 0x1822c4000 + 8896 12 Liaoba 0x00000001006e892c 0x100028000 + 7080236 13 Liaoba 0x00000001006ea540 0x100028000 + 7087424 14 Liaoba 0x00000001006ea49c 0x100028000 + 7087260 15 UIKit 0x00000001879d2ed4 0x1879c4000 + 61140 16 UIKit 0x00000001879d2ba8 0x1879c4000 + 60328 17 UIKit 0x00000001879e0678 0x1879c4000 + 116344 18 UIKit 0x000000018804ded4 0x1879c4000 + 6856404 19 UIKit 0x000000018804ced0 0x1879c4000 + 6852304 20 UIKit 0x000000018804cb04 0x1879c4000 + 6851332 21 UIKit 0x0000000187a65240 0x1879c4000 + 660032 22 UIKit 0x0000000187a65158 0x1879c4000 + 659800 23 Liaoba 0x0000000100b7eec 0x100028000 + 2686700 24 UIKit 0x0000000187a4e9c0 0x1879c4000 + 567744 25 UIKit 0x0000000187c7e184 0x1879c4000 + 2859396 26 UIKit 0x0000000187c825f0 0x1879c4000 + 2876912 27 UIKit 0x0000000187c7f764 0x1879c4000 + 2864996 28 FrontBoardServices 0x000000018421b7ac 0x1841f4000 + 161708 29 FrontBoardServices 0x000000018421b618 0x1841f4000 + 161304 30 FrontBoardServices 0x000000018421b9c8 0x1841f4000 + 162248 31 CoreFoundation 0x000000018283109c 0x182750000 + 921756 32 CoreFoundation 0x0000000182830b30 0x182750000 + 920368 33 CoreFoundation 0x000000018282e830 0x182750000 + 911408 34 CoreFoundation 0x0000000182758c50 0x182750000 + 35920 35 UIKit 0x0000000187a4794c 0x1879c4000 + 538956 36 UIKit 0x0000000187a42088 0x1879c4000 + 516232 37 Liaoba 0x00000001002cb2dc 0x100028000 + 2765532 38 libdyld.dylib 0x00000001822f68b8 0x1822f4000 + 10424 Sep 23 16:48:40 iPhone-6-white ReportCrash[292] <Error>: Thread 1 name: Dispatch queue: com.apple.libdispatch-manager Thread 1: 0 libsystem_kernel.dylib 0x00000001824154d8 0x1823f8000 + 120024 1 libdispatch.dylib 0x00000001822d87d8 0x1822c4000 + 83928 2 libdispatch.dylib 0x00000001822c7648 0x1822c4000 + 13896 Sep 23 16:48:40 iPhone-6-white ReportCrash[292] <Error>: Thread 2: 0 libsystem_kernel.dylib 0x0000000182414b48 0x1823f8000 + 117576 1 libsystem_pthread.dylib 0x00000001824dd530 0x1824dc000 + 5424 2 libsystem_pthread.dylib 0x00000001824dd020 0x1824dc000 + 4128 Sep 23 16:48:40 iPhone-6-white ReportCrash[292] <Error>: Thread 3: 0 libsystem_kernel.dylib 0x0000000182414b48 0x1823f8000 + 117576 1 libsystem_pthread.dylib 0x00000001824dd530 0x1824dc000 + 5424 2 libsystem_pthread.dylib 0x00000001824dd020 0x1824dc000 + 4128 Sep 23 16:48:40 iPhone-6-white ReportCrash[292] <Error>: Thread 4 name: com.apple.NSURLConnectionLoader Thread 4: 0 libsystem_kernel.dylib 0x00000001823f8fd8 0x1823f8000 + 4056 1 libsystem_kernel.dylib 0x00000001823f8e54 0x1823f8000 + 3668 2 CoreFoundation 0x0000000182830c60 0x182750000 + 920672 3 CoreFoundation 0x000000018282e964 0x182750000 + 911716 4 CoreFoundation 0x0000000182758c50 0x182750000 + 35920 5 CFNetwork 0x0000000182ed9bcc 0x182e2c000 + 711628 6 Foundation 0x000000018324fe4c 0x18315c000 + 998988 7 libsystem_pthread.dylib 0x00000001824dfb28 0x1824dc000 + 15144 8 libsystem_pthread.dylib 0x00000001824dfa8c 0x1824dc000 + 14988 9 libsystem_pthread.dylib 0x00000001824dd028 0x1824dc000 + 4136 Sep 23 16:48:40 iPhone-6-white ReportCrash[292] <Error>: Thread 5 name: com.apple.CFSocket.private Thread 5: 0 libsystem_kernel.dylib 0x0000000182414344 0x1823f8000 + 115524 1 CoreFoundation 0x00000001828371c8 0x182750000 + 946632 2 libsystem_pthread.dylib 0x00000001824dfb28 0x1824dc000 + 15144 3 libsystem_pthread.dylib 0x00000001824dfa8c 0x1824dc000 + 14988 4 libsystem_pthread.dylib 0x00000001824dd028 0x1824dc000 + 4136 Sep 23 16:48:40 iPhone-6-white ReportCrash[292] <Error>: No thread state (register information) available Sep 23 16:48:40 iPhone-6-white SpringBoard[58] <Warning>: Application 'UIKitApplication:com.weiling.liaoba.mosheng[0xc0df]' exited abnormally via signal. Sep 23 16:48:40 iPhone-6-white UserEventAgent[26] <Warning>: 71448629925: id=com.weiling.liaoba.mosheng pid=291, state=0 Sep 23 16:48:40 iPhone-6-white SpringBoard[58] <Error>: SecTrustEvaluate [leaf IssuerCommonName SubjectCommonName] Sep 23 16:48:40 iPhone-6-white kernel[0] <Notice>: xpcproxy[293] Container: /private/var/mobile/Containers/Data/Application/D1FD1537-0B1C-49EB-A53F-1C0AC52003A8 (sandbox) Sep 23 16:48:40 iPhone-6-white com.apple.xpc.launchd[1] <Error>: assertion failed: 13G35: launchd + 116796 [9F6284CF-8A17-36CC-9DB5-85D510A21F14]: 0x3 Sep 23 16:48:40 iPhone-6-white Liaoba[293] <Warning>: Reachability Flag Status: -R ------- networkStatusForFlags  | 1 Dean OP 类似问题在 iOS 7 的设备崩溃后 App 能正常启动，目前测试发现崩溃后不能正常启动发生在 iOS 9 |
 | 2 angryapes 2016-09-23 17:10:31 +08:00 你就不能使用 DSYM 把这个 crash 日志解析出来吗，这谁能看懂！ |
 | 3 kitalphaj 2016-09-23 17:11:32 +08:00 启动超时？看看 AppDelegate 里面的 didFinisLaunch 里面是不是死循环了？ |
 | 6 shenfu1991 2016-09-23 18:07:37 +08:00 装个 fabric ，捕获比较容易 |
| 7 Dean OP @shenfu1991 目前是用的友盟统计，没有成功记录崩溃信息，因为项目中混合很多 C++的静态库与代码实现， fabric 有什么特别？ |
 | 8 jackisnotspirate 2016-09-23 18:46:59 +08:00 Exception Codes: 0x000000008badf00d ate bad food 内存吃紧了。 |
| 9 jackisnotspirate 2016-09-23 18:48:49 +08:00 08badf00d |
 | 10 DingSoung 2016-09-23 19:02:18 +08:00 第三方库装多了吧 |
| 11 shenfu1991 2016-09-24 02:06:12 +08:00 via iPhone @Dean 友盟当然不能和这个专业的比 |
 | 12 cute 2016-09-27 11:32:55 +08:00 Exception Note: SIMULATED (this is NOT a crash) 应该是是超时被干掉了。 可以用 hopper disassembler 打开你的二进制文件 go to fileo ffset ： 7080236 就可以看到是什么问题了 |
| 14 Dean OP 此处收楼了，最后比对 commit 发现是 cocoapods pod 'MMPlaceHolder', '~> 1.9',代码中没有使用该库，迷之 BUG 告一段落了 |
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