我遇到了让我发疯的情况。我有一个在模拟器和设备上都运行良好的应用程序。仅在设备上，并且仅在某些时刻（显然无关）当他的应用程序置于后台时（例如当您想打开另一个应用程序时）它崩溃。
它TestFlight只有反馈json可供下载，没有产生crashlog。
我在设备上查看是否有任何从应用程序生成的崩溃日志，但没有生成。 生成的唯一日志是 splashboardd 女巫给出以下输出：
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
Triggered by Thread: 1
Application Specific Information:
abort() called
Last Exception Backtrace:
0 CoreFoundation 0x19c3e186c __exceptionPreprocess + 220
1 libobjc.A.dylib 0x1b1350c50 objc_exception_throw + 59
2 CoreFoundation 0x19c2e7000 +[NSException raise:format:arguments:] + 99
3 Foundation 0x19d67b91c -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 131
4 splashboardd 0x100a7b068 0x100a74000 + 28776
5 splashboardd 0x100a7a748 0x100a74000 + 26440
6 BaseBoard 0x1a0997568 __40-[BSBaseXPCServer _addClientConnection:]_block_invoke + 99
7 libxpc.dylib 0x1e7bda0e4 _xpc_connection_call_event_handler + 163
8 libxpc.dylib 0x1e7bda4a0 _xpc_connection_mach_event + 923
9 libdispatch.dylib 0x19bfd5e7c _dispatch_client_callout4 + 19
10 libdispatch.dylib 0x19bfefd2c _dispatch_mach_msg_invoke + 471
11 libdispatch.dylib 0x19bfdcfd8 _dispatch_lane_serial_drain + 271
12 libdispatch.dylib 0x19bff0a3c _dispatch_mach_invoke + 467
13 libdispatch.dylib 0x19bfdcfd8 _dispatch_lane_serial_drain + 271
14 libdispatch.dylib 0x19bfddc90 _dispatch_lane_invoke + 459
15 libdispatch.dylib 0x19bfe7d78 _dispatch_workloop_worker_thread + 707
16 libsystem_pthread.dylib 0x1e7bb3804 _pthread_wqthread + 275
17 libsystem_pthread.dylib 0x1e7bba75c start_wqthread + 7
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0:
0 libsystem_kernel.dylib 0x00000001ca1342d0 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001ca133660 mach_msg + 76
2 CoreFoundation 0x000000019c35cc30 __CFRunLoopServiceMachPort + 380
3 CoreFoundation 0x000000019c356c14 __CFRunLoopRun + 1216
4 CoreFoundation 0x000000019c35621c CFRunLoopRunSpecific + 600
5 Foundation 0x000000019d605df0 -[NSRunLoop+ 36336 (NSRunLoop) runMode:beforeDate:] + 232
6 Foundation 0x000000019d6396bc -[NSRunLoop+ 247484 (NSRunLoop) run] + 92
7 splashboardd 0x0000000100a7a558 0x100a74000 + 25944
8 libdyld.dylib 0x000000019c0166b0 start + 4
Thread 1 name: Dispatch queue: com.apple.splashboard.launchimage.serverTaskQueue
Thread 1 Crashed:
0 libsystem_kernel.dylib 0x00000001ca158414 __pthread_kill + 8
1 libsystem_pthread.dylib 0x00000001e7bb2b40 pthread_kill + 272
2 libsystem_c.dylib 0x00000001a577eb74 abort + 104
3 libc++abi.dylib 0x00000001b1456cf8 __cxxabiv1::__aligned_malloc_with_fallback+ 81144 (unsigned long) + 0
4 libc++abi.dylib 0x00000001b1447e4c demangling_unexpected_handler+ 20044 () + 0
5 libobjc.A.dylib 0x00000001b1350f64 _objc_terminate+ 28516 () + 144
6 libc++abi.dylib 0x00000001b14560e0 std::__terminate(void (*)+ 78048 ()) + 20
7 libc++abi.dylib 0x00000001b145606c std::terminate+ 77932 () + 44
8 libdispatch.dylib 0x000000019bfd5e90 _dispatch_client_callout4 + 40
9 libdispatch.dylib 0x000000019bfefd2c _dispatch_mach_msg_invoke + 472
10 libdispatch.dylib 0x000000019bfdcfd8 _dispatch_lane_serial_drain + 272
11 libdispatch.dylib 0x000000019bff0a3c _dispatch_mach_invoke + 468
12 libdispatch.dylib 0x000000019bfdcfd8 _dispatch_lane_serial_drain + 272
13 libdispatch.dylib 0x000000019bfddc90 _dispatch_lane_invoke + 460
14 libdispatch.dylib 0x000000019bfe7d78 _dispatch_workloop_worker_thread + 708
15 libsystem_pthread.dylib 0x00000001e7bb3804 _pthread_wqthread + 276
16 libsystem_pthread.dylib 0x00000001e7bba75c start_wqthread + 8
Thread 1 crashed with ARM Thread State (64-bit):
x0: 0x0000000000000000 x1: 0x0000000000000000 x2: 0x0000000000000000 x3: 0x0000000000000000
x4: 0x000000016f4115c0 x5: 0x000000016f411b70 x6: 0x000000000000006e x7: 0x0000000000001400
x8: 0x00000000000005b9 x9: 0x868d4dbec9338e54 x10: 0x0000000000000002 x11: 0x0000000000000003
x12: 0x0000000000000000 x13: 0x0000010000000000 x14: 0x0000000000000010 x15: 0x0000000000000000
x16: 0x0000000000000148 x17: 0x000000016f413000 x18: 0x0000000000000000 x19: 0x0000000000000006
x20: 0x000000000000293b x21: 0x000000016f4130e0 x22: 0x0000000000000000 x23: 0x0000000001010000
x24: 0x0000000101833038 x25: 0x000000016f4130e0 x26: 0x000000016f412120 x27: 0xafce000100e282c8
x28: 0x0000000100e052d0 fp: 0x000000016f411ad0 lr: 0x00000001e7bb2b40
sp: 0x000000016f411ab0 pc: 0x00000001ca158414 cpsr: 0x40000000
esr: 0x56000080 Address size fault
任何方向正确的点都将不胜感激。