我的Xamarin Insights发生SIGABRT崩溃，我真的不知道如何找到错误。
标题为SIGABRT Crash in System_Runtime_ExceptionServices_ExceptionDispatchInfo_Throw
这是堆栈跟踪：
0 libsystem_kernel.dylib __pthread_kill (in libsystem_kernel.dylib) + 8
1 libsystem_c.dylib abort (in libsystem_c.dylib) + 140
2 MyProject.iOS print_exception (in 00bc99b261d537d0b6ce6cd2230b0a6d) (runtime.m:782)
3 MyProject.iOS mono_invoke_unhandled_exception_hook (in 00bc99b261d537d0b6ce6cd2230b0a6d) (mini-exceptions.c:2586)
4 MyProject.iOS mono_handle_exception_internal (in 00bc99b261d537d0b6ce6cd2230b0a6d) (mini-exceptions.c:1573)
5 MyProject.iOS mono_handle_exception (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 40
6 MyProject.iOS mono_arm_throw_exception (in 00bc99b261d537d0b6ce6cd2230b0a6d) (exceptions-arm64.c:383)
7 MyProject.iOS throw_exception (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 168
8 MyProject.iOS System_Runtime_ExceptionServices_ExceptionDispatchInfo_Throw (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 44
9 MyProject.iOS System_Runtime_CompilerServices_AsyncMethodBuilderCore__ThrowAsyncm__0_object (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 80
10 MyProject.iOS UIKit.UIKitSynchronizationContext/<Post>c__AnonStorey0:<>m__0 (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 40
11 MyProject.iOS Foundation.NSAsyncActionDispatcher:Apply (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 36
12 MyProject.iOS wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 244
13 MyProject.iOS mono_jit_runtime_invoke (in 00bc99b261d537d0b6ce6cd2230b0a6d) (mini-runtime.c:2325)
14 MyProject.iOS mono_runtime_invoke (in 00bc99b261d537d0b6ce6cd2230b0a6d) (object.c:2783)
15 MyProject.iOS native_to_managed_trampoline_1 (in 00bc99b261d537d0b6ce6cd2230b0a6d) (registrar.m:45)
16 MyProject.iOS -[__MonoMac_NSAsyncActionDispatcher xamarinApplySelector] (in 00bc99b261d537d0b6ce6cd2230b0a6d) (registrar.m:2713)
17 Foundation __NSThreadPerformPerform (in Foundation) + 340
18 CoreFoundation __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ (in CoreFoundation) + 24
19 CoreFoundation __CFRunLoopDoSources0 (in CoreFoundation) + 540
20 CoreFoundation __CFRunLoopRun (in CoreFoundation) + 724
21 CoreFoundation CFRunLoopRunSpecific (in CoreFoundation) + 384
22 GraphicsServices GSEventRunModal (in GraphicsServices) + 180
23 UIKit UIApplicationMain (in UIKit) + 204
24 MyProject.iOS (wrapper managed-to-native) UIKit.UIApplication:UIApplicationMain (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 324
25 MyProject.iOS UIKit.UIApplication:Main (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 44
26 MyProject.iOS UIKit.UIApplication:Main (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 172
27 MyProject.iOS MyProject.iOS.Application:Main (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 36
28 MyProject.iOS wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 244
29 MyProject.iOS mono_jit_runtime_invoke (in 00bc99b261d537d0b6ce6cd2230b0a6d) (mini-runtime.c:2325)
30 MyProject.iOS mono_runtime_invoke (in 00bc99b261d537d0b6ce6cd2230b0a6d) (object.c:2783)
31 MyProject.iOS mono_runtime_exec_main (in 00bc99b261d537d0b6ce6cd2230b0a6d) (object.c:4038)
32 MyProject.iOS xamarin_main (in 00bc99b261d537d0b6ce6cd2230b0a6d) (monotouch-main.m:404)
33 MyProject.iOS main (in 00bc99b261d537d0b6ce6cd2230b0a6d) (main.arm64.m:82)
34 libdyld.dylib start (in libdyld.dylib) + 4
所以我的理解是另一个线程崩溃但我找不到另一个有用信息的线程。
其他线程的一些示例：
0 libsystem_kernel.dylib __psynch_cvwait (in libsystem_kernel.dylib) + 8
1 MyProject.iOS worker_thread (in 00bc99b261d537d0b6ce6cd2230b0a6d) (threadpool-ms.c:503)
2 MyProject.iOS start_wrapper (in 00bc99b261d537d0b6ce6cd2230b0a6d) (threads.c:723)
3 MyProject.iOS inner_start_thread (in 00bc99b261d537d0b6ce6cd2230b0a6d) (mono-threads-posix.c:97)
4 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
5 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
6 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
和
0 libsystem_kernel.dylib select$DARWIN_EXTSN (in libsystem_kernel.dylib) + 8
1 MyProject.iOS poll_event_wait (in 00bc99b261d537d0b6ce6cd2230b0a6d) (threadpool-ms-io-poll.c:152)
2 MyProject.iOS selector_thread (in 00bc99b261d537d0b6ce6cd2230b0a6d) (threadpool-ms-io.c:449)
3 MyProject.iOS start_wrapper (in 00bc99b261d537d0b6ce6cd2230b0a6d) (threads.c:723)
4 MyProject.iOS inner_start_thread (in 00bc99b261d537d0b6ce6cd2230b0a6d) (mono-threads-posix.c:97)
5 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
6 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
7 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
和
0 libsystem_kernel.dylib mach_msg_trap (in libsystem_kernel.dylib) + 8
1 CoreFoundation __CFRunLoopServiceMachPort (in CoreFoundation) + 196
2 CoreFoundation __CFRunLoopRun (in CoreFoundation) + 1032
3 CoreFoundation CFRunLoopRunSpecific (in CoreFoundation) + 384
4 WebCore WebCore::runLoaderThread() (in WebCore) + 272
5 JavaScriptCore WTF::threadEntryPoint() (in JavaScriptCore) + 212
6 JavaScriptCore WTF::wtfThreadEntryPoint() (in JavaScriptCore) + 24
7 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
8 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
9 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
和
0 libsystem_kernel.dylib __psynch_cvwait (in libsystem_kernel.dylib) + 8
1 MyProject.iOS _wapi_handle_timedwait_signal_handle (in 00bc99b261d537d0b6ce6cd2230b0a6d) (handles.c:1514)
2 MyProject.iOS wapi_WaitForSingleObjectEx (in 00bc99b261d537d0b6ce6cd2230b0a6d) (wait.c:196)
3 MyProject.iOS ves_icall_System_Threading_WaitHandle_WaitOne_internal (in 00bc99b261d537d0b6ce6cd2230b0a6d) (threads.c:1447)
4 MyProject.iOS wrapper_managed_to_native_System_Threading_WaitHandle_WaitOne_internal_System_Threading_WaitHandle_intptr_int_bool (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 128
5 MyProject.iOS System_Threading_WaitHandle_WaitOne_int_bool (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 124
6 MyProject.iOS System_Threading_WaitHandle_WaitOne_int (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 44
7 MyProject.iOS System_Threading_Timer_Scheduler_SchedulerThread (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 1260
8 MyProject.iOS System_Threading_ThreadHelper_ThreadStart_Context_object (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 192
9 MyProject.iOS System_Threading_ExecutionContext_RunInternal_System_Threading_ExecutionContext_System_Threading_ContextCallback_object_bool (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 416
10 MyProject.iOS System_Threading_ExecutionContext_Run_System_Threading_ExecutionContext_System_Threading_ContextCallback_object_bool (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 44
11 MyProject.iOS System_Threading_ExecutionContext_Run_System_Threading_ExecutionContext_System_Threading_ContextCallback_object (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 84
12 MyProject.iOS System_Threading_ThreadHelper_ThreadStart (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 52
13 MyProject.iOS wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr (in 00bc99b261d537d0b6ce6cd2230b0a6d) + 244
14 MyProject.iOS mono_jit_runtime_invoke (in 00bc99b261d537d0b6ce6cd2230b0a6d) (mini-runtime.c:2325)
15 MyProject.iOS mono_runtime_invoke (in 00bc99b261d537d0b6ce6cd2230b0a6d) (object.c:2783)
16 MyProject.iOS start_wrapper (in 00bc99b261d537d0b6ce6cd2230b0a6d) (threads.c:746)
17 MyProject.iOS inner_start_thread (in 00bc99b261d537d0b6ce6cd2230b0a6d) (mono-threads-posix.c:97)
18 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
19 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
20 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
和
0 libsystem_kernel.dylib __workq_kernreturn (in libsystem_kernel.dylib) + 8
1 libsystem_pthread.dylib start_wqthread (in libsystem_pthread.dylib) + 4
这些都没有指向我的代码中的任何地方或发生的特定异常。我该怎么调试呢？