ios - 未识别的 CFRunLoopRun 崩溃报告问题

Question

我每天都会收到很多关于 CFRunLoopRun 错误的崩溃报告。它出现在 Xcode 和 iTunes Connect 崩溃报告中。但是，我没有收到用户反馈的任何崩溃报告。但是我不知道错误代码在哪里。当我打开 Xcode 项目的错误日志文件时，它只是指向 swift 文件中的一个空行。

该应用正在使用 WKWebView 和 Firebase SDK 进行分析。

如何解决这个崩溃问题？

Exception Type:  EXC_CRASH (SIGKILL)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note:  EXC_CORPSE_NOTIFY
Termination Reason: Namespace SPRINGBOARD, Code 0xdead10cc
Termination Description: SPRINGBOARD, com.xxx.app was task-suspended with locked system files: | /var/mobile/Containers/Shared/AppGroup/9EAF384F-B017-4E91-BA24-1B9192E31220/database.db | ProcessVisibility: Background | ProcessState: Suspended
Triggered by Thread:  0

Thread 0 Crashed:
0   libsystem_kernel.dylib          0x000000021c3b9c60 mach_msg_trap + 8
1   CoreFoundation                  0x000000021c7c1e10 __CFRunLoopServiceMachPort + 240 (CFRunLoop.c:2615)
2   CoreFoundation                  0x000000021c7bcab4 __CFRunLoopRun + 1344 (CFRunLoop.c:2971)
3   CoreFoundation                  0x000000021c7bc254 CFRunLoopRunSpecific + 452 (CFRunLoop.c:3247)
4   GraphicsServices                0x000000021e9fbd8c GSEventRunModal + 108 (GSEvent.c:2245)
5   UIKitCore                       0x0000000249b044c0 UIApplicationMain + 216 (UIApplication.m:4353)
6   Gear                            0x0000000102591a94 main + 68 (BaseTabBarController.swift:14)
7   libdyld.dylib                   0x000000021c278fd8 start + 4

Thread 1 name:
Thread 1:
0   libsystem_kernel.dylib          0x000000021c3b9c60 mach_msg_trap + 8
1   CoreFoundation                  0x000000021c7c1e10 __CFRunLoopServiceMachPort + 240 (CFRunLoop.c:2615)
2   CoreFoundation                  0x000000021c7bcab4 __CFRunLoopRun + 1344 (CFRunLoop.c:2971)
3   CoreFoundation                  0x000000021c7bc254 CFRunLoopRunSpecific + 452 (CFRunLoop.c:3247)
4   Foundation                      0x000000021d19c04c -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 304 (NSRunLoop.m:367)
5   Foundation                      0x000000021d19bed4 -[NSRunLoop(NSRunLoop) runUntilDate:] + 100 (NSRunLoop.m:411)
6   UIKitCore                       0x0000000249bf00d4 -[UIEventFetcher threadMain] + 140 (UIEventFetcher.m:606)
7   Foundation                      0x000000021d19ac4c -[NSThread main] + 72 (NSThread.m:1212)
8   Foundation                      0x000000021d2d0e54 __NSThread__start__ + 988 (NSThread.m:1175)
9   libsystem_pthread.dylib         0x000000021c43a908 _pthread_body + 132 (pthread.c:857)
10  libsystem_pthread.dylib         0x000000021c43a864 _pthread_start + 48 (pthread.c:884)
11  libsystem_pthread.dylib         0x000000021c442dcc thread_start + 4

Thread 2 name:
Thread 2:
0   libsystem_kernel.dylib          0x000000021c3c4ed4 __psynch_cvwait + 8
1   libc++.1.dylib                  0x000000021b9cc990 std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 28 (__threading_support:278)
2   JavaScriptCore                  0x0000000223ae550c void std::__1::condition_variable_any::wait<std::__1::unique_lock<bmalloc::Mutex> >(std::__1::uni... + 104 (condition_variable:204)
3   JavaScriptCore                  0x0000000223ae9560 bmalloc::Scavenger::threadRunLoop() + 172 (condition_variable:213)
4   JavaScriptCore                  0x0000000223ae8cfc bmalloc::Scavenger::threadEntryPoint(bmalloc::Scavenger*) + 16 (Scavenger.cpp:359)
5   JavaScriptCore                  0x0000000223aea724 void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, st... + 44 (type_traits:4345)
6   libsystem_pthread.dylib         0x000000021c43a908 _pthread_body + 132 (pthread.c:857)
7   libsystem_pthread.dylib         0x000000021c43a864 _pthread_start + 48 (pthread.c:884)
8   libsystem_pthread.dylib         0x000000021c442dcc thread_start + 4

Thread 3 name:
Thread 3:
0   libsystem_kernel.dylib          0x000000021c3b9c60 mach_msg_trap + 8
1   CoreFoundation                  0x000000021c7c1e10 __CFRunLoopServiceMachPort + 240 (CFRunLoop.c:2615)
2   CoreFoundation                  0x000000021c7bcab4 __CFRunLoopRun + 1344 (CFRunLoop.c:2971)
3   CoreFoundation                  0x000000021c7bc254 CFRunLoopRunSpecific + 452 (CFRunLoop.c:3247)
4   CFNetwork                       0x000000021cdddc88 -[__CoreSchedulingSetRunnable runForever] + 208 (CoreSchedulingSet.mm:1365)
5   Foundation                      0x000000021d19ac4c -[NSThread main] + 72 (NSThread.m:1212)
6   Foundation                      0x000000021d2d0e54 __NSThread__start__ + 988 (NSThread.m:1175)
7   libsystem_pthread.dylib         0x000000021c43a908 _pthread_body + 132 (pthread.c:857)
8   libsystem_pthread.dylib         0x000000021c43a864 _pthread_start + 48 (pthread.c:884)
9   libsystem_pthread.dylib         0x000000021c442dcc thread_start + 4

Thread 4:
0   libsystem_pthread.dylib         0x000000021c442dc0 start_wqthread + 0 (pthread_dependency.c:103)

Thread 5:
0   libsystem_pthread.dylib         0x000000021c442dc0 start_wqthread + 0 (pthread_dependency.c:103)

Thread 0 crashed with ARM Thread State (64-bit):
    x0: 0x0000000010004005   x1: 0x0000000007000806   x2: 0x0000000000000000   x3: 0x0000000000000c00
    x4: 0x0000000000002a03   x5: 0x00000000ffffffff   x6: 0x0000000000000000   x7: 0x0000000000000403
    x8: 0x00000000fffffbbf   x9: 0x0000000007000000  x10: 0x0000000007000000  x11: 0x000000b2f51efc80
   x12: 0x00000000016e3600  x13: 0x000000000003757e  x14: 0x000000000004b400  x15: 0x0004b40000000000
   x16: 0xffffffffffffffe1  x17: 0x0000000000000001  x18: 0x0000000000000000  x19: 0x0000000000000000
   x20: 0x00000000ffffffff  x21: 0x0000000000002a03  x22: 0x0000000000000c00  x23: 0x000000016d872d30
   x24: 0x0000000007000806  x25: 0x0000000000000000  x26: 0x0000000007000806  x27: 0x0000000000000c00
   x28: 0x0000000000000001   fp: 0x000000016d872c20   lr: 0x000000021c3b90e8
    sp: 0x000000016d872bd0   pc: 0x000000021c3b9c60 cpsr: 0x60000000

Answer 1

好吧，根据我在这件事上的有限经验，iOS 似乎试图在后台暂停您的应用程序，但由于您有一些后台进程正在运行而未能这样做。然后，由于您尚未在您的应用程序中启用后台处理功能，iOS 会强制终止它，从而导致显示错误。

我建议仔细检查您的应用程序，看看是否有任何内存泄漏或长时间运行的进程。您应该通过将它们的使用与应用程序生命周期联系起来来解决这些问题(或考虑启用后台处理。有关 ARC、保留周期和捕获列表的使用的知识对于内存问题很重要)。

锁定的文件表明与 firebase 数据库有关。也许当您的应用程序在后台等时，您没有清除与 firebase 数据库的连接......

这都是猜想。像这样的问题是特定于应用程序的，因为你做错了什么，你是识别它们的最佳人选，因为你对你的代码了如指掌。

编辑:而且我也希望 com.xxx.app 确实是您的应用程序，而不是其他应用程序。