Hi Quinn,
Thanks for the reply. When looking at the device logs I see two crashes listed. One is for duetexpertd and one is for SpringBoard. When I try to reproduce it this morning, however, I am now only seeing the duetexpertd crash and not the one for SpringBoard. Not sure what is relevant and not so will post both logs. Hopefully these provide some sort of insight into what is going on.
Thanks in advance for your assistance. 🙂
Here is the last crash I saw from SpringBoard:
Incident Identifier: 8C88DD2A-74E5-4E89-A082-1FACEDA8AAD8
CrashReporter Key: c7478935a86283c3988659b518aece3a572d2198
Hardware Model: iPhone11,2
Process: SpringBoard [771]
Path: /System/Library/CoreServices/SpringBoard.app/SpringBoard
Identifier: com.apple.springboard
Version: 50 (1.0)
Code Type: ARM-64 (Native)
Role: Foreground
Parent Process: launchd [1]
Coalition: com.apple.springboard [69]
Date/Time: 2019-08-21 14:12:53.0515 +0200
Launch Time: 2019-08-21 13:48:10.5626 +0200
OS Version: iPhone OS 12.0 (16A366)
Baseband Version: 1.00.07
Report Version: 104
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
Triggered by Thread: 16
Application Specific Information:
abort() called
Last Exception Backtrace:
0 CoreFoundation 0x1aedeff78 __exceptionPreprocess + 232
1 libobjc.A.dylib 0x1adfe8284 objc_exception_throw + 59
2 CoreFoundation 0x1aed003b0 +[NSException raise:format:arguments:] + 107
3 Foundation 0x1af7ff30c -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 115
4 AppPredictionClient 0x1c329d6c0 +[ATXAction _userActivityHashForUserInfoDict:activityType:webpageURL:] + 1403
5 AppPredictionClient 0x1c329b2fc -[ATXAction userActivityHash] + 211
6 AppPredictionClient 0x1c329b5dc -[ATXAction isEqualToAction:] + 299
7 AppPredictionClient 0x1c329b87c -[ATXAction isEqual:] + 103
8 AppPredictionClient 0x1c32970fc -[ATXActionSearchResult isEqualToActionSearchResult:] + 67
9 AppPredictionClient 0x1c32971a8 -[ATXActionSearchResult isEqual:] + 103
10 CoreFoundation 0x1aee175a4 __NSOrderedSetEquateKeys + 31
11 CoreFoundation 0x1aee1b69c CFBasicHashAddValue + 1871
12 CoreFoundation 0x1aecdcd84 -[__NSOrderedSetM insertObject:atIndex:] + 179
13 CoreFoundation 0x1aecf2618 -[NSMutableOrderedSet insertObjects:count:atIndex:] + 263
14 CoreFoundation 0x1aecf58f0 -[NSMutableOrderedSet insertObjectsFromArray:range:atIndex:] + 379
15 Search 0x1cc54496c -[SFMutableResultSection addResultsFromArray:] + 119
16 Spotlight 0x1cf483a80 __25-[SPZKWSearchQuery start]_block_invoke + 1655
17 libdispatch.dylib 0x1ae7f2d74 _dispatch_call_block_and_release + 31
18 libdispatch.dylib 0x1ae7f430c _dispatch_client_callout + 19
19 libdispatch.dylib 0x1ae7fb6fc _dispatch_lane_serial_drain + 551
20 libdispatch.dylib 0x1ae7fc280 _dispatch_lane_invoke + 427
21 libdispatch.dylib 0x1ae804524 _dispatch_workloop_worker_thread + 587
22 libsystem_pthread.dylib 0x1ae9f3b38 _pthread_wqthread + 315
23 libsystem_pthread.dylib 0x1ae9f9dec start_wqthread + 3
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0:
0 libsystem_kernel.dylib 0x00000001ae96fa68 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001ae96ef24 mach_msg + 76
2 CoreFoundation 0x00000001aed7c41c __CFRunLoopServiceMachPort + 240
3 CoreFoundation 0x00000001aed770b8 __CFRunLoopRun + 1372
4 CoreFoundation 0x00000001aed76844 CFRunLoopRunSpecific + 452
5 GraphicsServices 0x00000001b1025be8 GSEventRunModal + 104
6 UIKitCore 0x00000001dc125428 UIApplicationMain + 216
7 FrontBoard 0x00000001c59e9080 FBSystemAppMain + 436
8 SpringBoard 0x00000001042ea28c 0x1040f0000 + 2073228
9 libdyld.dylib 0x00000001ae82c020 start + 4
Thread 1 name: com.apple.uikit.eventfetch-thread
Thread 1:
0 libsystem_kernel.dylib 0x00000001ae96fa68 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001ae96ef24 mach_msg + 76
2 CoreFoundation 0x00000001aed7c41c __CFRunLoopServiceMachPort + 240
3 CoreFoundation 0x00000001aed770b8 __CFRunLoopRun + 1372
4 CoreFoundation 0x00000001aed76844 CFRunLoopRunSpecific + 452
5 Foundation 0x00000001af7785f0 -[NSRunLoop+ 34288 (NSRunLoop) runMode:beforeDate:] + 304
6 Foundation 0x00000001af778494 -[NSRunLoop+ 33940 (NSRunLoop) runUntilDate:] + 152
7 UIKitCore 0x00000001dc07dcb8 -[UIEventFetcher threadMain] + 140
8 Foundation 0x00000001af7771d0 -[NSThread main] + 72
9 Foundation 0x00000001af8b3dbc __NSThread__start__ + 1044
10 libsystem_pthread.dylib 0x00000001ae9f1a04 _pthread_body + 132
11 libsystem_pthread.dylib 0x00000001ae9f1960 _pthread_start + 52
12 libsystem_pthread.dylib 0x00000001ae9f9df4 thread_start + 4
Thread 2 name: com.apple.CoreMotion.MotionThread
Thread 2:
0 libsystem_kernel.dylib 0x00000001ae96fa68 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001ae96ef24 mach_msg + 76
2 CoreFoundation 0x00000001aed7c41c __CFRunLoopServiceMachPort + 240
3 CoreFoundation 0x00000001aed770b8 __CFRunLoopRun + 1372
4 CoreFoundation 0x00000001aed76844 CFRunLoopRunSpecific + 452
5 CoreFoundation 0x00000001aed775a8 CFRunLoopRun + 84
6 CoreMotion 0x00000001b4875d64 0x1b47fa000 + 507236
7 libsystem_pthread.dylib 0x00000001ae9f1a04 _pthread_body + 132
8 libsystem_pthread.dylib 0x00000001ae9f1960 _pthread_start + 52
9 libsystem_pthread.dylib 0x00000001ae9f9df4 thread_start + 4
Thread 3 name: WiFiManager Callback Thread
Thread 3:
0 libsystem_kernel.dylib 0x00000001ae96fa68 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001ae96ef24 mach_msg + 76
2 CoreFoundation 0x00000001aed7c41c __CFRunLoopServiceMachPort + 240
3 CoreFoundation 0x00000001aed770b8 __CFRunLoopRun + 1372
4 CoreFoundation 0x00000001aed76844 CFRunLoopRunSpecific + 452
5 Foundation 0x00000001af7785f0 -[NSRunLoop+ 34288 (NSRunLoop) runMode:beforeDate:] + 304
6 Foundation 0x00000001af7b53dc -[NSRunLoop+ 283612 (NSRunLoop) run] + 92
7 WiFiKit 0x00000001cfbc74c8 __44-[WFClient _startCallbackThreadWithManager:]_block_invoke + 444
8 CoreFoundation 0x00000001aecf99e4 -[NSBlock invoke] + 24
9 Foundation 0x00000001af7771d0 -[NSThread main] + 72
10 Foundation 0x00000001af8b3dbc __NSThread__start__ + 1044
11 libsystem_pthread.dylib 0x00000001ae9f1a04 _pthread_body + 132
12 libsystem_pthread.dylib 0x00000001ae9f1960 _pthread_start + 52
13 libsystem_pthread.dylib 0x00000001ae9f9df4 thread_start + 4
Thread 4 name: CommonUtilities-WiFi-Thread
Thread 4:
0 libsystem_kernel.dylib 0x00000001ae96fa68 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001ae96ef24 mach_msg + 76
2 CoreFoundation 0x00000001aed7c41c __CFRunLoopServiceMachPort + 240
3 CoreFoundation 0x00000001aed770b8 __CFRunLoopRun + 1372
4 CoreFoundation 0x00000001aed76844 CFRunLoopRunSpecific + 452
5 CoreFoundation 0x00000001aed775a8 CFRunLoopRun + 84
6 CommonUtilities 0x00000001b193ef04 0x1b1930000 + 61188
7 Foundation 0x00000001af7771d0 -[NSThread main] + 72
8 Foundation 0x00000001af8b3dbc __NSThread__start__ + 1044
9 libsystem_pthread.dylib 0x00000001ae9f1a04 _pthread_body + 132
10 libsystem_pthread.dylib 0x00000001ae9f1960 _pthread_start + 52
11 libsystem_pthread.dylib 0x00000001ae9f9df4 thread_start + 4
Thread 5 name: SBWiFiManager callback thread
Thread 5:
0 libsystem_kernel.dylib 0x00000001ae96fa68 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001ae96ef24 mach_msg + 76
2 CoreFoundation 0x00000001aed7c41c __CFRunLoopServiceMachPort + 240
3 CoreFoundation 0x00000001aed770b8 __CFRunLoopRun + 1372
4 CoreFoundation 0x00000001aed76844 CFRunLoopRunSpecific + 452
5 Foundation 0x00000001af7785f0 -[NSRunLoop+ 34288 (NSRunLoop) runMode:beforeDate:] + 304
6 Foundation 0x00000001af7b53dc -[NSRunLoop+ 283612 (NSRunLoop) run] + 92
7 SpringBoard 0x00000001043db8e0 0x1040f0000 + 3061984
8 Foundation 0x00000001af7771d0 -[NSThread main] + 72
9 Foundation 0x00000001af8b3dbc __NSThread__start__ + 1044
10 libsystem_pthread.dylib 0x00000001ae9f1a04 _pthread_body + 132
11 libsystem_pthread.dylib 0x00000001ae9f1960 _pthread_start + 52
12 libsystem_pthread.dylib 0x00000001ae9f9df4 thread_start + 4
Thread 6 name: com.apple.UIKit.inProcessAnimationManager
Thread 6:
0 libsystem_kernel.dylib 0x00000001ae96faa4 semaphore_wait_trap + 8
1 libdispatch.dylib 0x00000001ae7f49fc _dispatch_sema4_wait + 28
2 libdispatch.dylib 0x00000001ae7f54a4 _dispatch_semaphore_wait_slow + 132
3 UIKitCore 0x00000001dc84b578 __66-[UIViewInProcessAnimationManager startAdvancingAnimationManager:]_block_invoke_2.276 + 212
4 CoreFoundation 0x00000001aecf99e4 -[NSBlock invoke] + 24
5 Foundation 0x00000001af7771d0 -[NSThread main] + 72
6 Foundation 0x00000001af8b3dbc __NSThread__start__ + 1044
7 libsystem_pthread.dylib 0x00000001ae9f1a04 _pthread_body + 132
8 libsystem_pthread.dylib 0x00000001ae9f1960 _pthread_start + 52
9 libsystem_pthread.dylib 0x00000001ae9f9df4 thread_start + 4
Thread 7 name: AVAudioSession Notify Thread
Thread 7:
0 libsystem_kernel.dylib 0x00000001ae96fa68 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001ae96ef24 mach_msg + 76
2 CoreFoundation 0x00000001aed7c41c __CFRunLoopServiceMachPort + 240
3 CoreFoundation 0x00000001aed770b8 __CFRunLoopRun + 1372
4 CoreFoundation 0x00000001aed76844 CFRunLoopRunSpecific + 452
5 AVFAudio 0x00000001b4e29ef4 GenericRunLoopThread::Entry+ 589556 (void*) + 168
6 AVFAudio 0x00000001b4e561a4 CAPThread::Entry+ 770468 (CAPThread*) + 92
7 libsystem_pthread.dylib 0x00000001ae9f1a04 _pthread_body + 132
8 libsystem_pthread.dylib 0x00000001ae9f1960 _pthread_start + 52
9 libsystem_pthread.dylib 0x00000001ae9f9df4 thread_start + 4
Thread 8:
0 libsystem_pthread.dylib 0x00000001ae9f9de8 start_wqthread + 0
Thread 9:
0 libsystem_pthread.dylib 0x00000001ae9f9de8 start_wqthread + 0
Thread 10:
0 libsystem_pthread.dylib 0x00000001ae9f9de8 start_wqthread + 0
Thread 11:
0 libsystem_pthread.dylib 0x00000001ae9f9de8 start_wqthread + 0
Thread 12:
0 libsystem_pthread.dylib 0x00000001ae9f9de8 start_wqthread + 0
Thread 13 name: NetworkLoad
Thread 13:
0 libsystem_kernel.dylib 0x00000001ae96fa68 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001ae96ef24 mach_msg + 76
2 CoreFoundation 0x00000001aed7c41c __CFRunLoopServiceMachPort + 240
3 CoreFoundation 0x00000001aed770b8 __CFRunLoopRun + 1372
4 CoreFoundation 0x00000001aed76844 CFRunLoopRunSpecific + 452
5 GeoServices 0x00000001b579a8e4 _runNetworkThread + 484
6 libsystem_pthread.dylib 0x00000001ae9f1a04 _pthread_body + 132
7 libsystem_pthread.dylib 0x00000001ae9f1960 _pthread_start + 52
8 libsystem_pthread.dylib 0x00000001ae9f9df4 thread_start + 4
Thread 14:
0 libsystem_pthread.dylib 0x00000001ae9f9de8 start_wqthread + 0
Thread 15:
0 libsystem_pthread.dylib 0x00000001ae9f9de8 start_wqthread + 0
Thread 16 name: Dispatch queue: query processor
Thread 16 Crashed:
0 libsystem_kernel.dylib 0x00000001ae97b0e4 __pthread_kill + 8
1 libsystem_pthread.dylib 0x00000001ae9f2b68 pthread_kill + 300
2 libsystem_c.dylib 0x00000001ae8d2fcc abort + 144
3 libc++abi.dylib 0x00000001adfcf818 __cxa_bad_cast + 0
4 libc++abi.dylib 0x00000001adfcf9d8 default_unexpected_handler+ 6616 () + 0
5 libobjc.A.dylib 0x00000001adfe86c8 _objc_terminate+ 26312 () + 124
6 libc++abi.dylib 0x00000001adfdc2d0 std::__terminate(void (*)+ 58064 ()) + 20
7 libc++abi.dylib 0x00000001adfdc344 std::terminate+ 58180 () + 60
8 libdispatch.dylib 0x00000001ae7f4320 _dispatch_client_callout + 40
9 libdispatch.dylib 0x00000001ae7fb6fc _dispatch_lane_serial_drain + 552
10 libdispatch.dylib 0x00000001ae7fc280 _dispatch_lane_invoke + 428
11 libdispatch.dylib 0x00000001ae804524 _dispatch_workloop_worker_thread + 588
12 libsystem_pthread.dylib 0x00000001ae9f3b38 _pthread_wqthread + 316
13 libsystem_pthread.dylib 0x00000001ae9f9dec start_wqthread + 4
Thread 17:
0 libsystem_pthread.dylib 0x00000001ae9f9de8 start_wqthread + 0
Thread 16 crashed with ARM Thread State (64-bit):
x0: 0x0000000000000000 x1: 0x0000000000000000 x2: 0x0000000000000000 x3: 0x000000028050b3b7
x4: 0x00000001adfdfb61 x5: 0x000000016bfc6470 x6: 0x000000000000006e x7: 0x0000000043e00068
x8: 0x0000000000000c00 x9: 0x000000000007f6cf x10: 0x0000000000000002 x11: 0x0000000000000003
x12: 0x0000000000000067 x13: 0x0000000000000000 x14: 0x0000000000000010 x15: 0x0000000000000000
x16: 0x0000000000000148 x17: 0x00000001df5ea888 x18: 0x0000000000000000 x19: 0x0000000000000006
x20: 0x000000016bfc7000 x21: 0x000000016bfc6470 x22: 0x000000000007f6cf x23: 0x000000016bfc70e0
x24: 0x0000000283339940 x25: 0x000000010bc04038 x26: 0x0000000000000000 x27: 0x0000000000000000
x28: 0x0000000000000114 fp: 0x000000016bfc63d0 lr: 0x00000001ae9f2b68
sp: 0x000000016bfc63a0 pc: 0x00000001ae97b0e4 cpsr: 0x00000000
Here is the log from the duetexpertd crash:
Incident Identifier: 507C92D5-73CC-44D8-805A-00F7C72029AD
CrashReporter Key: c7478935a86283c3988659b518aece3a572d2198
Hardware Model: iPhone11,2
Process: duetexpertd [323]
Path: /usr/libexec/duetexpertd
Identifier: duetexpertd
Version: ???
Code Type: ARM-64 (Native)
Role: Unspecified
Parent Process: launchd [1]
Coalition: com.apple.duetexpertd [226]
Date/Time: 2019-08-23 08:29:55.7875 +0200
Launch Time: 2019-08-23 08:28:26.0707 +0200
OS Version: iPhone OS 12.0 (16A366)
Baseband Version: 1.00.07
Report Version: 104
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
Triggered by Thread: 2
Application Specific Information:
abort() called
Last Exception Backtrace:
0 CoreFoundation 0x1de417f78 __exceptionPreprocess + 232
1 libobjc.A.dylib 0x1dd610284 objc_exception_throw + 59
2 CoreFoundation 0x1de3283b0 +[NSException raise:format:arguments:] + 107
3 Foundation 0x1dee2730c -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 115
4 AppPredictionClient 0x1f28c56c0 +[ATXAction _userActivityHashForUserInfoDict:activityType:webpageURL:] + 1403
5 AppPredictionClient 0x1f28c32fc -[ATXAction userActivityHash] + 211
6 AppPredictionClient 0x1f28c3398 -[ATXAction hash] + 35
7 AppPredictionInternal 0x1f3619e38 -[ATXSlotResolutionParameters initWithAction:slots:] + 211
8 AppPredictionInternal 0x1f35c553c __169-[_ATXDataStore writeActionType:bundleId:date:action:slotSets:timeZone:prevLocationUUID:locationUUID:weight:actionUUID:motionType:appSessionStartDate:appSessionEndDate:]_block_invoke + 139
9 CoreFoundation 0x1de307ac0 -[__NSSingleObjectSetI enumerateObjectsWithOptions:usingBlock:] + 107
10 AppPredictionInternal 0x1f35c4c78 -[_ATXDataStore writeActionType:bundleId:date:action:slotSets:timeZone:prevLocationUUID:locationUUID:weight:actionUUID:motionType:appSessionStartDate:appSessionEndDate:] + 847
11 AppPredictionInternal 0x1f35a24fc -[APRAppIntentMonitor updateActionPredictionSlotResolutionForIntentEvent:weight:prevLocationUUID:locationUUID:currentMotionType:appSessionStartDate:appSessionEndDate:] + 403
12 AppPredictionInternal 0x1f35a36d4 -[APRAppIntentMonitor updateActionPredictionPipelineForIntentEvent:weight:appSessionStartDate:appSessionEndDate:] + 707
13 AppPredictionInternal 0x1f35a4c94 -[APRAppIntentMonitor updateActionPredictionPipelineForAppSession:startDate:endDate:] + 3959
14 AppPredictionInternal 0x1f35a59c0 -[APRAppIntentMonitor endAppSession:] + 415
15 libdispatch.dylib 0x1dde1c30c _dispatch_client_callout + 19
16 libdispatch.dylib 0x1dde1f2dc _dispatch_continuation_pop + 407
17 libdispatch.dylib 0x1dde2f42c _dispatch_source_invoke2 + 1203
18 libdispatch.dylib 0x1dde2ecac _dispatch_source_invoke + 435
19 libdispatch.dylib 0x1dde235d0 _dispatch_lane_serial_drain + 251
20 libdispatch.dylib 0x1dde24280 _dispatch_lane_invoke + 427
21 libdispatch.dylib 0x1dde2c524 _dispatch_workloop_worker_thread + 587
22 libsystem_pthread.dylib 0x1de01bb38 _pthread_wqthread + 315
23 libsystem_pthread.dylib 0x1de021dec start_wqthread + 3
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0:
0 libsystem_kernel.dylib 0x00000001ddf97a68 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001ddf96f24 mach_msg + 76
2 CoreFoundation 0x00000001de3a441c __CFRunLoopServiceMachPort + 240
3 CoreFoundation 0x00000001de39f0b8 __CFRunLoopRun + 1372
4 CoreFoundation 0x00000001de39e844 CFRunLoopRunSpecific + 452
5 Foundation 0x00000001deda05f0 -[NSRunLoop+ 34288 (NSRunLoop) runMode:beforeDate:] + 304
6 duetexpertd 0x0000000104a631bc 0x104a60000 + 12732
7 libdyld.dylib 0x00000001dde54020 start + 4
Thread 1 name: Dispatch queue: ATXBBNotificationManager
Thread 1:
0 libsystem_kernel.dylib 0x00000001ddfa39dc __ulock_wait + 8
1 libsystem_platform.dylib 0x00000001de01525c _os_unfair_lock_lock_slow + 176
2 libobjc.A.dylib 0x00000001dd61ab0c lookUpImpOrForward + 132
3 libobjc.A.dylib 0x00000001dd62733c _objc_msgSend_uncached + 60
4 BulletinBoard 0x00000001ee551b2c -[BBObserver _queue_registerBulletin:withTransactionID:] + 220
5 BulletinBoard 0x00000001ee553de4 -[BBObserver _queue_updateBulletin:withReply:] + 200
6 libdispatch.dylib 0x00000001dde1ad74 _dispatch_call_block_and_release + 32
7 libdispatch.dylib 0x00000001dde1c30c _dispatch_client_callout + 20
8 libdispatch.dylib 0x00000001dde236fc _dispatch_lane_serial_drain + 552
9 libdispatch.dylib 0x00000001dde24280 _dispatch_lane_invoke + 428
10 libdispatch.dylib 0x00000001dde2c524 _dispatch_workloop_worker_thread + 588
11 libsystem_pthread.dylib 0x00000001de01bb38 _pthread_wqthread + 316
12 libsystem_pthread.dylib 0x00000001de021dec start_wqthread + 4
Thread 2 name: Dispatch queue: com.apple.duetexpertcenter.AppPredictionExpert.AppIntentDonations
Thread 2 Crashed:
0 libsystem_kernel.dylib 0x00000001ddfa30e4 __pthread_kill + 8
1 libsystem_pthread.dylib 0x00000001de01ab68 pthread_kill + 300
2 libsystem_c.dylib 0x00000001ddefafcc abort + 144
3 libc++abi.dylib 0x00000001dd5f7818 __cxa_bad_cast + 0
4 libc++abi.dylib 0x00000001dd5f79d8 default_unexpected_handler+ 6616 () + 0
5 libobjc.A.dylib 0x00000001dd6106c8 _objc_terminate+ 26312 () + 124
6 libc++abi.dylib 0x00000001dd6042d0 std::__terminate(void (*)+ 58064 ()) + 20
7 libc++abi.dylib 0x00000001dd604344 std::terminate+ 58180 () + 60
8 libdispatch.dylib 0x00000001dde1c320 _dispatch_client_callout + 40
9 libdispatch.dylib 0x00000001dde1f2dc _dispatch_continuation_pop + 408
10 libdispatch.dylib 0x00000001dde2f42c _dispatch_source_invoke2 + 1204
11 libdispatch.dylib 0x00000001dde2ecac _dispatch_source_invoke + 436
12 libdispatch.dylib 0x00000001dde235d0 _dispatch_lane_serial_drain + 252
13 libdispatch.dylib 0x00000001dde24280 _dispatch_lane_invoke + 428
14 libdispatch.dylib 0x00000001dde2c524 _dispatch_workloop_worker_thread + 588
15 libsystem_pthread.dylib 0x00000001de01bb38 _pthread_wqthread + 316
16 libsystem_pthread.dylib 0x00000001de021dec start_wqthread + 4
Thread 3:
0 libsystem_pthread.dylib 0x00000001de021de8 start_wqthread + 0
Thread 4:
0 libsystem_pthread.dylib 0x00000001de021de8 start_wqthread + 0
Thread 2 crashed with ARM Thread State (64-bit):
x0: 0x0000000000000000 x1: 0x0000000000000000 x2: 0x0000000000000000 x3: 0x0000000104e5ce57
x4: 0x00000001dd607b61 x5: 0x000000016b426310 x6: 0x000000000000006e x7: 0xffffffff00001300
x8: 0x0000000000000c00 x9: 0x000000000001542f x10: 0x0000000000000002 x11: 0x0000000000000003
x12: 0x0000000218066df0 x13: 0x0000000000000000 x14: 0x0000000000000010 x15: 0x0000000000000000
x16: 0x0000000000000148 x17: 0x000000020ec12888 x18: 0x0000000000000000 x19: 0x0000000000000006
x20: 0x000000016b427000 x21: 0x000000016b426310 x22: 0x000000000001542f x23: 0x000000016b4270e0
x24: 0x0000000000000000 x25: 0x0000000000000110 x26: 0x000000016b4270e0 x27: 0x0000000218065000
x28: 0x0000000010800000 fp: 0x000000016b426270 lr: 0x00000001de01ab68
sp: 0x000000016b426240 pc: 0x00000001ddfa30e4 cpsr: 0x00000000