5 Replies
      Latest reply on Nov 11, 2019 5:20 PM by acwrightdesign
      lesmond Level 1 Level 1 (0 points)

        We have an issue where an "Archive" build of our app built with 11.2 or 11.2.1 crashes on launch.

         

        With an Xcode 11.1 Archive the app is fine.

         

        This does not affect Debug builds of the application attached to Xcode directly either.

         

        The following is what shows up as the offending code.

         

        Thread 30 name:
        Thread 30 Crashed:
        0   libsystem_kernel.dylib         0x0000000183476efc __pthread_kill + 8
        1   libsystem_pthread.dylib       0x0000000183396d10 pthread_kill + 196 (pthread.c:1456)
        2   libsystem_c.dylib             0x0000000183326a74 abort + 104 (abort.c:110)
        3   libswiftCore.dylib             0x0000000190f7b2a4 swift_runtime_unreachable(char const*) + 16 (Unreachable.h:30)
        4   libswiftCore.dylib             0x0000000190f7ce34 swift_getWitnessTable + 2128 (Metadata.cpp:0)
        5   Plane Finder Beta             0x0000000102f3ca68 closure #1 in closure #1 in AircraftManager.fetchLiveData(bounds:) + 212 (:0)
        6   Plane Finder Beta             0x0000000102f1098c thunk for @escaping @callee_guaranteed () -> () + 28 (:0)
        7   libdispatch.dylib             0x0000000183330b7c _dispatch_call_block_and_release + 32 (init.c:1408)
        8   libdispatch.dylib             0x0000000183331fd8 _dispatch_client_callout + 20 (object.m:495)
        9   libdispatch.dylib             0x0000000183334414 _dispatch_queue_override_invoke + 672 (inline_internal.h:2484)
        10  libdispatch.dylib             0x0000000183340bd4 _dispatch_root_queue_drain + 348 (inline_internal.h:2525)
        11  libdispatch.dylib             0x0000000183341384 _dispatch_worker_thread2 + 120 (queue.c:6628)
        12  libsystem_pthread.dylib       0x0000000183397a54 _pthread_wqthread + 216 (pthread.c:2336)
        13  libsystem_pthread.dylib       0x000000018339dc7c start_wqthread + 8

        FB7432222 has been raised with the full crash log.

        • Re: App built with Xcode 11.2 & 11.2.1 crashes on launch
          eskimo Apple Staff Apple Staff (12,305 points)

          That’s an interesting crash.  I believe that swift_runtime_unreachable is the Swift runtime’s ‘panic’ function, meaning that it’s found itself in a place where it should never be able to be and all it can do is crash your app.

          The next step is to look at swift_getWitnessTable to see what situation it’s in.  Alas, this’s complicated by the fact that we’re not getting a line number in frame 4.  Moreover, the code for swift_getWitnessTable doesn’t offer any insights, presumably because the actual panic is in a function that’s been inlined into that function.

          My recommendation is that you ask about this over on Swift Forums, where you’re more likely to connect up with folks with deeper knowledge about the Swift runtime.

          Share and Enjoy

          Quinn “The Eskimo!”
          Apple Developer Relations, Developer Technical Support, Core OS/Hardware
          let myEmail = "eskimo" + "1" + "@apple.com"

          • Re: App built with Xcode 11.2 & 11.2.1 crashes on launch
            thillsman-outdoorsy Level 1 Level 1 (0 points)

            I'm seeing something very similar. I thought it was an optimization issue (because it succeeds in Debug). I'm currently archiving with no optimization to check. I'm also downloading Xcode 11.1 and I'm glad that version is working for you. That's my next step. No changes in the crashing portion of code occurred since the previous (successful) release.

            • Re: App built with Xcode 11.2 & 11.2.1 crashes on launch
              acwrightdesign Level 1 Level 1 (10 points)

              I just want to add a +1 so to speak. I'm also seeing this problem with one of my apps. My crash log:

              Incident Identifier: 551A76A3-1F22-47E7-AD63-F0C57998B9A6
              CrashReporter Key:   2ea8ef3c40ed5465ec77297551aa18c0d3c2f3c5
              Hardware Model:      iPhone12,3
              Process:             Slide Designer [553]
              Path:                /private/var/containers/Bundle/Application/0FF3945D-4CDE-4CDD-B419-4209E165FEFB/Slide Designer.app/Slide Designer
              Identifier:          com.infinitetoken.SlideDesigner
              Version:             10 (1.0.0)
              Code Type:           ARM-64 (Native)
              Role:                Foreground
              Parent Process:      launchd [1]
              Coalition:           com.infinitetoken.SlideDesigner [795]
              
              
              
              
              Date/Time:           2019-11-11 18:29:03.4138 -0600
              Launch Time:         2019-11-11 18:29:03.3483 -0600
              OS Version:          iPhone OS 13.1.3 (17A878)
              Release Type:        User
              Baseband Version:    1.01.19
              Report Version:      104
              
              
              Exception Type:  EXC_CRASH (SIGABRT)
              Exception Codes: 0x0000000000000000, 0x0000000000000000
              Exception Note:  EXC_CORPSE_NOTIFY
              Triggered by Thread:  0
              
              
              Application Specific Information:
              abort() called
              
              
              Thread 0 name:  Dispatch queue: com.apple.main-thread
              Thread 0 Crashed:
              0   libsystem_kernel.dylib         0x00000001c106cef4 __pthread_kill + 8
              1   libsystem_pthread.dylib       0x00000001c0f8dd1c pthread_kill + 196
              2   libsystem_c.dylib             0x00000001c0f1da54 abort + 104
              3   libswiftCore.dylib             0x00000001cea449e4 swift::TargetExistentialTypeMetadata::projectValue+ 3025380 (swift::OpaqueValue const*) const + 0
              4   libswiftCore.dylib             0x00000001cea46574 swift_getWitnessTable + 2128
              5   Slide Designer                 0x0000000102514bc8 SlideshowsStore.init() + 216008 (:0)
              6   Slide Designer                 0x00000001025573d4 specialized SceneDelegate.scene(_:willConnectTo:options:) + 488404 (SceneDelegate.swift:19)
              7   Slide Designer                 0x0000000102556e38 @objc SceneDelegate.scene(_:willConnectTo:options:) + 486968 (:0)
              8   UIKitCore                     0x00000001c4929ca8 +[UIScene _sceneForFBSScene:create:withSession:connectionOptions:] + 1192
              9   UIKitCore                     0x00000001c53134ac -[UIApplication _connectUISceneFromFBSScene:transitionContext:] + 992
              10  UIKitCore                     0x00000001c531383c -[UIApplication workspace:didCreateScene:withTransitionContext:completion:] + 340
              11  UIKitCore                     0x00000001c4eb8d7c -[UIApplicationSceneClientAgent scene:didInitializeWithEvent:completion:] + 376
              12  FrontBoardServices             0x00000001c63eb014 -[FBSSceneImpl _callOutQueue_agent_didCreateWithTransitionContext:completion:] + 452
              13  FrontBoardServices             0x00000001c6411bd0 __86-[FBSWorkspaceScenesClient sceneID:createWithParameters:transitionContext:completion:]_block_invoke.168 + 116
              14  FrontBoardServices             0x00000001c63f60f8 -[FBSWorkspace _calloutQueue_executeCalloutFromSource:withBlock:] + 240
              15  FrontBoardServices             0x00000001c6411864 __86-[FBSWorkspaceScenesClient sceneID:createWithParameters:transitionContext:completion:]_block_invoke + 344
              16  libdispatch.dylib             0x00000001c0f2900c _dispatch_client_callout + 20
              17  libdispatch.dylib             0x00000001c0f2bd50 _dispatch_block_invoke_direct + 264
              18  FrontBoardServices             0x00000001c6438384 __FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK__ + 48
              19  FrontBoardServices             0x00000001c6438030 -[FBSSerialQueue _queue_performNextIfPossible] + 432
              20  FrontBoardServices             0x00000001c643859c -[FBSSerialQueue _performNextFromRunLoopSource] + 32
              21  CoreFoundation                 0x00000001c11fd260 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 28
              22  CoreFoundation                 0x00000001c11fd1b4 __CFRunLoopDoSource0 + 84
              23  CoreFoundation                 0x00000001c11fc970 __CFRunLoopDoSources0 + 264
              24  CoreFoundation                 0x00000001c11f77ec __CFRunLoopRun + 1068
              25  CoreFoundation                 0x00000001c11f7098 CFRunLoopRunSpecific + 480
              26  GraphicsServices               0x00000001cb361534 GSEventRunModal + 108
              27  UIKitCore                     0x00000001c53177ac UIApplicationMain + 1940
              28  Slide Designer                 0x00000001024e7488 main + 29832 (AppDelegate.swift:15)
              29  libdyld.dylib                 0x00000001c1076f30 start + 4
              
              
              Thread 1:
              0   libsystem_pthread.dylib       0x00000001c0f94c70 start_wqthread + 0
              
              
              Thread 2:
              0   libsystem_pthread.dylib       0x00000001c0f94c70 start_wqthread + 0
              
              
              Thread 3:
              0   libsystem_pthread.dylib       0x00000001c0f94c70 start_wqthread + 0
              
              
              Thread 4:
              0   libsystem_pthread.dylib       0x00000001c0f94c70 start_wqthread + 0
              
              
              Thread 5:
              0   libsystem_pthread.dylib       0x00000001c0f94c70 start_wqthread + 0
              
              
              Thread 6 name:  com.apple.uikit.eventfetch-thread
              Thread 6:
              0   libsystem_kernel.dylib         0x00000001c104abc4 mach_msg_trap + 8
              1   libsystem_kernel.dylib         0x00000001c1049fe0 mach_msg + 76
              2   CoreFoundation                 0x00000001c11fcabc __CFRunLoopServiceMachPort + 220
              3   CoreFoundation                 0x00000001c11f7954 __CFRunLoopRun + 1428
              4   CoreFoundation                 0x00000001c11f7098 CFRunLoopRunSpecific + 480
              5   Foundation                     0x00000001c153c580 -[NSRunLoop+ 34176 (NSRunLoop) runMode:beforeDate:] + 232
              6   Foundation                     0x00000001c153c458 -[NSRunLoop+ 33880 (NSRunLoop) runUntilDate:] + 92
              7   UIKitCore                     0x00000001c53b2668 -[UIEventFetcher threadMain] + 156
              8   Foundation                     0x00000001c153b1e4 -[NSThread main] + 40
              9   Foundation                     0x00000001c1676a84 __NSThread__start__ + 852
              10  libsystem_pthread.dylib       0x00000001c0f8cd5c _pthread_start + 128
              11  libsystem_pthread.dylib       0x00000001c0f94c84 thread_start + 8
              
              
              Thread 7:
              0   libsystem_pthread.dylib       0x00000001c0f94c70 start_wqthread + 0
              
              
              Thread 8:
              0   libsystem_pthread.dylib       0x00000001c0f94c70 start_wqthread + 0
              
              
              ngSupport.framework/LoggingSupport
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              0x1e0e90000 - 0x1e0ec4fff NaturalLanguage arm64e   /System/Library/Frameworks/NaturalLanguage.framework/NaturalLanguage
              0x1e0f5a000 - 0x1e0f5bfff libsystem_coreservices.dylib arm64e  <62efb55b6fb2355181d65985144da65d> /usr/lib/system/libsystem_coreservices.dylib
              0x1e0f6d000 - 0x1e0f7efff libmis.dylib arm64e   /usr/lib/libmis.dylib
              0x1e117c000 - 0x1e1184fff libcopyfile.dylib arm64e   /usr/lib/system/libcopyfile.dylib
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              0x1e157a000 - 0x1e1585fff AppleIDSSOAuthentication arm64e   /System/Library/PrivateFrameworks/AppleIDSSOAuthentication.framework/AppleIDSSOAuthentication
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              0x1e1e5f000 - 0x1e1e61fff CoreDuetDebugLogging arm64e   /System/Library/PrivateFrameworks/CoreDuetDebugLogging.framework/CoreDuetDebugLogging
              0x1e2960000 - 0x1e299efff SignpostSupport arm64e   /System/Library/PrivateFrameworks/SignpostSupport.framework/SignpostSupport
              0x1e2bdf000 - 0x1e2be8fff SignpostCollection arm64e   /System/Library/PrivateFrameworks/SignpostCollection.framework/SignpostCollection
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              0x1e3453000 - 0x1e367efff MobileSpotlightIndex arm64e   /System/Library/PrivateFrameworks/MobileSpotlightIndex.framework/MobileSpotlightIndex
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              0x1e4b42000 - 0x1e4b4dfff libAudioStatistics.dylib arm64e   /usr/lib/libAudioStatistics.dylib
              0x1e4d0d000 - 0x1e4d1dfff caulk arm64e   /System/Library/PrivateFrameworks/caulk.framework/caulk
              0x1e4d5d000 - 0x1e4d63fff MobileSystemServices arm64e  <1c6232e16abc3a809157f27c8f0316a4> /System/Library/PrivateFrameworks/MobileSystemServices.framework/MobileSystemServices
              0x1e5e46000 - 0x1e5e82fff libGLImage.dylib arm64e  <40476c4fdcbb38ccb06885af767a2a62> /System/Library/Frameworks/OpenGLES.framework/libGLImage.dylib
              0x1e62bc000 - 0x1e62cdfff libSparseBLAS.dylib arm64e  <328e22435fb338b8bb20fd740eccc01c> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libSparseBLAS.dylib
              0x1e62ce000 - 0x1e62e2fff Engram arm64e  <42d74263c9833bc08c507b0526593889> /System/Library/PrivateFrameworks/Engram.framework/Engram
              0x1e635d000 - 0x1e6398fff DataDetectorsNaturalLanguage arm64e  <5d57d312a07030adbd1b8a472d9c8b01> /System/Library/PrivateFrameworks/DataDetectorsNaturalLanguage.framework/DataDetectorsNaturalLanguage
              0x1e66a2000 - 0x1e6721fff CoreDAV arm64e   /System/Library/PrivateFrameworks/CoreDAV.framework/CoreDAV
              0x1e702d000 - 0x1e703dfff RemoteTextInput arm64e  <413eddd2de853186b654983723b68524> /System/Library/PrivateFrameworks/RemoteTextInput.framework/RemoteTextInput
              0x1e7066000 - 0x1e7096fff iCalendar arm64e  <5ee0e6556cd133a9bf65125c0c2a91dd> /System/Library/PrivateFrameworks/iCalendar.framework/iCalendar
              0x1e70fc000 - 0x1e7110fff libLinearAlgebra.dylib arm64e   /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libLinearAlgebra.dylib
              0x1e73ba000 - 0x1e73c8fff CoreAUC arm64e  <625babb086c2316c8b61c736c7ef33c4> /System/Library/PrivateFrameworks/CoreAUC.framework/CoreAUC
              0x1e7e03000 - 0x1e7e4afff PhysicsKit arm64e  <24933c9f5cd93de28a52a8d2e85f1df6> /System/Library/PrivateFrameworks/PhysicsKit.framework/PhysicsKit
              0x1e7e4b000 - 0x1e7e9dfff CorePrediction arm64e  <1eec72976aa43d778f5945e152b1d7b1> /System/Library/PrivateFrameworks/CorePrediction.framework/CorePrediction
              0x1e82ed000 - 0x1e8335fff SafariSafeBrowsing arm64e   /System/Library/PrivateFrameworks/SafariSafeBrowsing.framework/SafariSafeBrowsing
              0x1e87f2000 - 0x1e8810fff GenerationalStorage arm64e  <62db70b3bcc0380a93039eac8c83f1a0> /System/Library/PrivateFrameworks/GenerationalStorage.framework/GenerationalStorage
              0x1e8875000 - 0x1e8880fff PersonaKit arm64e   /System/Library/PrivateFrameworks/PersonaKit.framework/PersonaKit
              0x1e8c9d000 - 0x1e8ca2fff kperf arm64e  <67921ebb9b0c3ec2847ce00eb8a8d1b6> /System/Library/PrivateFrameworks/kperf.framework/kperf
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              0x1e91ea000 - 0x1e9290fff libvDSP.dylib arm64e  <9e7ceedfde2c3432aa5cf73999e05dd2> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libvDSP.dylib
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              0x1ea648000 - 0x1ea648fff MobileCoreServices arm64e   /System/Library/Frameworks/MobileCoreServices.framework/MobileCoreServices
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              0x1eb031000 - 0x1eb042fff ANEServices arm64e   /System/Library/PrivateFrameworks/ANEServices.framework/ANEServices
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              0x1ec9f5000 - 0x1ec9f5fff CombineCocoa arm64e   /System/Library/PrivateFrameworks/CombineCocoa.framework/CombineCocoa
              0x1ec9f6000 - 0x1ec9fdfff CommonAuth arm64e   /System/Library/PrivateFrameworks/CommonAuth.framework/CommonAuth
              0x1ece2b000 - 0x1ece2efff CoreOptimization arm64e  <875ade7864a736f1af291a226583afd4> /System/Library/PrivateFrameworks/CoreOptimization.framework/CoreOptimization
              0x1ecf49000 - 0x1ecf54fff DeviceIdentity arm64e  <8d58ebaafda93e3d83c111a9910872f7> /System/Library/PrivateFrameworks/DeviceIdentity.framework/DeviceIdentity
              0x1ed0e5000 - 0x1ed100fff DocumentManagerCore arm64e  <6926e11b034035f392cde2453d7b0c5f> /System/Library/PrivateFrameworks/DocumentManagerCore.framework/DocumentManagerCore
              0x1ed1c1000 - 0x1ed77dfff Espresso arm64e   /System/Library/PrivateFrameworks/Espresso.framework/Espresso
              0x1eda4e000 - 0x1ede61fff FaceCore arm64e  <8ad0d68b4abd3a0bbdfb1d05b1599d33> /System/Library/PrivateFrameworks/FaceCore.framework/FaceCore
              0x1edf36000 - 0x1edf49fff libGSFontCache.dylib arm64e  <95e7d15348ae3f39a79e27b22d38310c> /System/Library/PrivateFrameworks/FontServices.framework/libGSFontCache.dylib
              0x1edfb0000 - 0x1edfbcfff libhvf.dylib arm64e  <0292acc17fae38d8b9e5e9481faee212> /System/Library/PrivateFrameworks/FontServices.framework/libhvf.dylib
              0x1eecf9000 - 0x1eed05fff GraphVisualizer arm64e  <70712b0f09253ad69e12a16f2325cbbb> /System/Library/PrivateFrameworks/GraphVisualizer.framework/GraphVisualizer
              0x1ef685000 - 0x1ef6f5fff Heimdal arm64e   /System/Library/PrivateFrameworks/Heimdal.framework/Heimdal
              0x1efc28000 - 0x1efc2efff InternationalSupport arm64e  <792be37f42e738e2a85f940e589904ad> /System/Library/PrivateFrameworks/InternationalSupport.framework/InternationalSupport
              0x1efeef000 - 0x1efeeffff Marco arm64e   /System/Library/PrivateFrameworks/Marco.framework/Marco
              0x1f03f3000 - 0x1f0405fff MobileDeviceLink arm64e   /System/Library/PrivateFrameworks/MobileDeviceLink.framework/MobileDeviceLink
              0x1f06bd000 - 0x1f06fdfff OTSVG arm64e   /System/Library/PrivateFrameworks/OTSVG.framework/OTSVG
              0x1f0d81000 - 0x1f0d81fff PhoneNumbers arm64e  <7e38d788f45631b592f24c1815b4425d> /System/Library/PrivateFrameworks/PhoneNumbers.framework/PhoneNumbers
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              0x1f277c000 - 0x1f2780fff RevealCore arm64e   /System/Library/PrivateFrameworks/RevealCore.framework/RevealCore
              0x1f2918000 - 0x1f2924fff SetupAssistantSupport arm64e  <67af340cbb44383abea532d69c051c4d> /System/Library/PrivateFrameworks/SetupAssistantSupport.framework/SetupAssistantSupport
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              0x1f3238000 - 0x1f32dcfff TextureIO arm64e   /System/Library/PrivateFrameworks/TextureIO.framework/TextureIO
              0x1f411e000 - 0x1f461bfff libwebrtc.dylib arm64e   /System/Library/PrivateFrameworks/WebCore.framework/Frameworks/libwebrtc.dylib
              0x1f47b5000 - 0x1f47bdfff kperfdata arm64e  <268ed5f452853e16970edd86308648e6> /System/Library/PrivateFrameworks/kperfdata.framework/kperfdata
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              0x1f4c03000 - 0x1f4f04fff libAWDSupportFramework.dylib arm64e   /usr/lib/libAWDSupportFramework.dylib
              0x1f50b6000 - 0x1f50c0fff libChineseTokenizer.dylib arm64e  <8e294bf75bd03ac0b337808c053718a2> /usr/lib/libChineseTokenizer.dylib
              0x1f50e5000 - 0x1f52a9fff libFosl_dynamic.dylib arm64e   /usr/lib/libFosl_dynamic.dylib
              0x1f5326000 - 0x1f532dfff libMatch.1.dylib arm64e   /usr/lib/libMatch.1.dylib
              0x1f53df000 - 0x1f53e0fff libSystem.B.dylib arm64e   /usr/lib/libSystem.B.dylib
              0x1f53e9000 - 0x1f53eafff libThaiTokenizer.dylib arm64e  <5714b83e0221351eaed33967533ee8ac> /usr/lib/libThaiTokenizer.dylib
              0x1f54ea000 - 0x1f54fffff libapple_nghttp2.dylib arm64e  <20c588bb07ca3f33a0128400556f5576> /usr/lib/libapple_nghttp2.dylib
              0x1f5578000 - 0x1f5588fff libbsm.0.dylib arm64e   /usr/lib/libbsm.0.dylib
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              0x1f55a9000 - 0x1f55c0fff libcompression.dylib arm64e   /usr/lib/libcompression.dylib
              0x1f55c1000 - 0x1f55c2fff libcoretls_cfhelpers.dylib arm64e   /usr/lib/libcoretls_cfhelpers.dylib
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              EOF
              
              
              • Re: App built with Xcode 11.2 & 11.2.1 crashes on launch
                acwrightdesign Level 1 Level 1 (10 points)

                It appears that disabling dead code stripping fixed this issue for me:

                 

                 

                Here is the webpage I found that suggested the fix:

                https://github.com/realm/realm-cocoa/issues/6326

                I am not using Realm in my application but it fixed my issue anyways.

                • Re: App built with Xcode 11.2 & 11.2.1 crashes on launch
                  refd981 Level 1 Level 1 (0 points)

                  I've been having the same problems.

                   

                  I've produced a minimal test case at https://github.com/MichaelShaw/UITestMinimal as well as posted on the Swift forums at https://forums.swift.org/t/xcode-11-2-1-swift-getwitnesstable-runtime-crash-includes-minimal-test-case/30699

                   

                  Joe_Groff's work around of DEAD_CODE_STRIPPING = NO works for my test cases.