HydraIssues

Issues / #284
[TRIAGED -> #320] Crash report: iPad17_4 / 26.3
closed bug Project: hydraheadipad Reporter: hydraapplepipeline 20 May 2026 20:03

Description

TestFlight crash

  • Apple feedback ID: APkHSq91rdrUUed8wxiO4H8
  • Submitted: 2026-05-20T14:58:55.875Z
  • Tester: cederik.haverbeke@gmail.com
  • Device: iPad17_4
  • OS: 26.3
  • Locale: en-BE
  • Architecture: arm64e

Comment

Crash after launching second time

Crash log

Incident Identifier: 94AF43D3-67EF-4948-B897-ABCDF91EACEC
Distributor ID:      com.apple.TestFlight
Hardware Model:      iPad17,4
Process:             HydraHeadiPad [2010]
Path:                /private/var/containers/Bundle/Application/CA567425-1390-4203-908F-14ED388E448C/HydraHeadiPad.app/HydraHeadiPad
Identifier:          com.experiencenet.hydraheadipad
Version:             0.2.115 (142)
AppStoreTools:       17F41
AppVariant:          1:iPad17,4-A:26
Beta:                YES
Code Type:           ARM-64 (Native)
Role:                Foreground
Parent Process:      launchd [1]
Coalition:           com.experiencenet.hydraheadipad [991]

Date/Time:           2026-05-20 16:56:27.2966 +0200
Launch Time:         2026-05-20 16:53:02.7421 +0200
OS Version:          iPhone OS 26.3 (23D127)
Release Type:        User
Baseband Version:    2.03.08
Report Version:      104

Exception Type:  EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Termination Reason: SIGNAL 6 Abort trap: 6
Terminating Process: HydraHeadiPad [2010]

Triggered by Thread:  0

Last Exception Backtrace:
0   CoreFoundation                	0x18edbc964 __exceptionPreprocess + 164 (NSException.m:249)
1   libobjc.A.dylib               	0x18bc99814 objc_exception_throw + 88 (objc-exception.mm:356)
2   CoreFoundation                	0x18ee45e0c +[NSException raise:format:] + 128 (NSException.m:0)
3   AVFAudio                      	0x1c6b39a3c AVAudioEngineImpl::InstallTapOnNode(AVAudioNode*, unsigned long, unsigned int, AVAudioFormat*, void (AVAudioPCMBuffer*, AVAudioTime*) block_pointer) + 1376 (AVAudioEngine.mm:1537)
4   AVFAudio                      	0x1c6b0ee14 -[AVAudioNode installTapOnBus:bufferSize:format:block:] + 564 (AVAudioNode.mm:186)
5   HydraHeadiPad                 	0x1025dc820 MicrophoneRelay.startAsync(bodyHost:) + 704 (MicrophoneRelay.swift:51)
6   HydraHeadiPad                 	0x1025a9aad <deduplicated_symbol> + 1
7   HydraHeadiPad                 	0x1025b0aed <deduplicated_symbol> + 1
8   HydraHeadiPad                 	0x1025b0cf1 specialized thunk for @escaping @isolated(any) @callee_guaranteed @async () -> (@out A) + 1
9   HydraHeadiPad                 	0x1025b0ced <deduplicated_symbol> + 1
10  libswift_Concurrency.dylib    	0x18d1e47d1 completeTaskWithClosure(swift::AsyncContext*, swift::SwiftError*) + 1 (Task.cpp:546)

Thread 0 name:
Thread 0 Crashed:
0   libsystem_kernel.dylib        	0x000000023c4920cc __pthread_kill + 8 (:-1)
1   libsystem_pthread.dylib       	0x00000001eb7b3810 pthread_kill + 268 (pthread.c:1721)
2   libsystem_c.dylib             	0x000000019a698f64 abort + 124 (abort.c:122)
3   libc++abi.dylib               	0x000000018bd9c808 __abort_message + 132 (abort_message.cpp:66)
4   libc++abi.dylib               	0x000000018bd8b484 demangling_terminate_handler() + 304 (cxa_default_handlers.cpp:76)
5   libobjc.A.dylib               	0x000000018bc9bf78 _objc_terminate() + 156 (objc-exception.mm:496)
6   libc++abi.dylib               	0x000000018bd9bbdc std::__terminate(void (*)()) + 16 (cxa_handlers.cpp:59)
7   libc++abi.dylib               	0x000000018bd9f314 __cxxabiv1::failed_throw(__cxxabiv1::__cxa_exception*) + 88 (cxa_exception.cpp:152)
8   libc++abi.dylib               	0x000000018bd9f2bc __cxa_throw + 92 (cxa_exception.cpp:299)
9   libobjc.A.dylib               	0x000000018bc9997c objc_exception_throw + 448 (objc-exception.mm:385)
10  CoreFoundation                	0x000000018ee45e0c +[NSException raise:format:] + 128 (NSException.m:0)
11  AVFAudio                      	0x00000001c6b39a3c AVAudioEngineImpl::InstallTapOnNode(AVAudioNode*, unsigned long, unsigned int, AVAudioFormat*, void (AVAudioPCMBuffer*, AVAudioTime*) block_pointer) + 1376 (AVAudioEngine.mm:1537)
12  AVFAudio                      	0x00000001c6b0ee14 -[AVAudioNode installTapOnBus:bufferSize:format:block:] + 564 (AVAudioNode.mm:186)
13  HydraHeadiPad                 	0x00000001025dc820 MicrophoneRelay.startAsync(bodyHost:) + 704 (MicrophoneRelay.swift:51)
14  HydraHeadiPad                 	0x00000001025a9aad <deduplicated_symbol> + 1
15  HydraHeadiPad                 	0x00000001025b0aed <deduplicated_symbol> + 1
16  HydraHeadiPad                 	0x00000001025b0cf1 specialized thunk for @escaping @isolated(any) @callee_guaranteed @async () -> (@out A) + 1
17  HydraHeadiPad                 	0x00000001025b0ced <deduplicated_symbol> + 1
18  libswift_Concurrency.dylib    	0x000000018d1e47d1 completeTaskWithClosure(swift::AsyncContext*, swift::SwiftError*) + 1 (Task.cpp:546)

Thread 1:

Thread 2:

Thread 3:

Thread 4 name:
Thread 4:
0   libsystem_kernel.dylib        	0x000000023c487cd4 mach_msg2_trap + 8 (:-1)
1   libsystem_kernel.dylib        	0x000000023c48b2f8 mach_msg2_internal + 76 (mach_msg.c:201)
2   libsystem_kernel.dylib        	0x000000023c48b214 mach_msg_overwrite + 428 (mach_msg.c:0)
3   libsystem_kernel.dylib        	0x000000023c48b05c mach_msg + 24 (mach_msg.c:323)
4   CoreFoundation                	0x000000018ed3d868 __CFRunLoopServiceMachPort + 160 (CFRunLoop.c:2650)
5   CoreFoundation                	0x000000018ed14848 __CFRunLoopRun + 1188 (CFRunLoop.c:3035)
6   CoreFoundation                	0x000000018ed13a6c _CFRunLoopRunSpecificWithOptions + 532 (CFRunLoop.c:3462)
7   Foundation                    	0x000000018ccd3f54 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 212 (NSRunLoop.m:375)
8   Foundation                    	0x000000018ccd412c -[NSRunLoop(NSRunLoop) runUntilDate:] + 64 (NSRunLoop.m:422)
9   UIKitCore                     	0x0000000194799094 -[UIEventFetcher threadMain] + 408 (UIEventFetcher.m:1333)
10  Foundation                    	0x000000018c39321c __NSThread__start__ + 732 (NSThread.m:997)
11  libsystem_pthread.dylib       	0x00000001eb7b044c _pthread_start + 136 (pthread.c:931)
12  libsystem_pthread.dylib       	0x00000001eb7ac8cc thread_start + 8 (:-1)

Thread 5:

Thread 6:

Thread 7 name:
Thread 7:
0   libsystem_kernel.dylib        	0x000000023c487cd4 mach_msg2_trap + 8 (:-1)
1   libsystem_kernel.dylib        	0x000000023c48b2f8 mach_msg2_internal + 76 (mach_msg.c:201)
2   libsystem_kernel.dylib        	0x000000023c48b214 mach_msg_overwrite + 428 (mach_msg.c:0)
3   libsystem_kernel.dylib        	0x000000023c48b05c mach_msg + 24 (mach_msg.c:323)
4   CoreFoundation                	0x000000018ed3d868 __CFRunLoopServiceMachPort + 160 (CFRunLoop.c:2650)
5   CoreFoundation                	0x000000018ed14848 __CFRunLoopRun + 1188 (CFRunLoop.c:3035)
6   CoreFoundation                	0x000000018ed13a6c _CFRunLoopRunSpecificWithOptions + 532 (CFRunLoop.c:3462)
7   CFNetwork                     	0x00000001a3c65c10 +[__CFN_CoreSchedulingSetRunnable _run:] + 416 (CoreSchedulingSet.mm:1473)
8   Foundation                    	0x000000018c39321c __NSThread__start__ + 732 (NSThread.m:997)
9   libsystem_pthread.dylib       	0x00000001eb7b044c _pthread_start + 136 (pthread.c:931)
10  libsystem_pthread.dylib       	0x00000001eb7ac8cc thread_start + 8 (:-1)

Thread 8 name:
Thread 8:
0   libsystem_kernel.dylib        	0x000000023c487c50 semaphore_wait_trap + 8 (:-1)
1   caulk                         	0x00000002a1eaf43c caulk::semaphore::timed_wait(double) + 224 (semaphore.cpp:98)
2   caulk                         	0x00000002a1eaf488 caulk::concurrent::details::worker_thread::run() + 32 (messenger.cpp:237)
3   caulk                         	0x00000002a1eb3bf4 void* caulk::thread_proxy<std::__1::tuple<caulk::thread::attributes, void (caulk::concurrent::details::worker_thread::*)(), std::__1::tuple<caulk::concurrent::details::worker_thread*>>>(void*) + 96 (thread.h:196)
4   libsystem_pthread.dylib       	0x00000001eb7b044c _pthread_start + 136 (pthread.c:931)
5   libsystem_pthread.dylib       	0x00000001eb7ac8cc thread_start + 8 (:-1)

Thread 9 name:
Thread 9:
0   libsystem_kernel.dylib        	0x000000023c487c50 semaphore_wait_trap + 8 (:-1)
1   caulk                         	0x00000002a1eaf43c caulk::semaphore::timed_wait(double) + 224 (semaphore.cpp:98)
2   caulk                         	0x00000002a1eaf488 caulk::concurrent::details::worker_thread::run() + 32 (messenger.cpp:237)
3   caulk                         	0x00000002a1eb3bf4 void* caulk::thread_proxy<std::__1::tuple<caulk::thread::attributes, void (caulk::concurrent::details::worker_thread::*)(), std::__1::tuple<caulk::concurrent::details::worker_thread*>>>(void*) + 96 (thread.h:196)
4   libsystem_pthread.dylib       	0x00000001eb7b044c _pthread_start + 136 (pthread.c:931)
5   libsystem_pthread.dylib       	0x00000001eb7ac8cc thread_start + 8 (:-1)

Thread 10 name:
Thread 10:
0   libsystem_kernel.dylib        	0x000000023c487c50 semaphore_wait_trap + 8 (:-1)
1   caulk                         	0x00000002a1eaf43c caulk::semaphore::timed_wait(double) + 224 (semaphore.cpp:98)
2   caulk                         	0x00000002a1eaf488 caulk::concurrent::details::worker_thread::run() + 32 (messenger.cpp:237)
3   caulk                         	0x00000002a1eb3bf4 void* caulk::thread_proxy<std::__1::tuple<caulk::thread::attributes, void (caulk::concurrent::details::worker_thread::*)(), std::__1::tuple<caulk::concurrent::details::worker_thread*>>>(void*) + 96 (thread.h:196)
4   libsystem_pthread.dylib       	0x00000001eb7b044c _pthread_start + 136 (pthread.c:931)
5   libsystem_pthread.dylib       	0x00000001eb7ac8cc thread_start + 8 (:-1)

Thread 11 name:
Thread 11:
0   libsystem_kernel.dylib        	0x000000023c487c68 semaphore_timedwait_trap + 8 (:-1)
1   libdispatch.dylib             	0x00000001c7a516cc _dispatch_sema4_timedwait + 64 (lock.c:154)
2   libdispatch.dylib             	0x00000001c7a1ee88 _dispatch_semaphore_wait_slow + 76 (semaphore.c:116)
3   libdispatch.dylib             	0x00000001c7a2ed40 _dispatch_worker_thread + 324 (queue.c:7597)
4   libsystem_pthread.dylib       	0x00000001eb7b044c _pthread_start + 136 (pthread.c:931)
5   libsystem_pthread.dylib       	0x00000001eb7ac8cc thread_start + 8 (:-1)

Thread 12:

Thread 13 name:
Thread 13:
0   libsystem_kernel.dylib        	0x000000023c487c50 semaphore_wait_trap + 8 (:-1)
1   libdispatch.dylib             	0x00000001c7a1e910 _dispatch_sema4_wait + 28 (lock.c:139)
2   libdispatch.dylib             	0x00000001c7a1eec0 _dispatch_semaphore_wait_slow + 132 (semaphore.c:132)
3   UIKitCore                     	0x00000001947a9b6c 0x194726000 + 539500
4   UIKitCore                     	0x0000000194f177a4 closure #2 in InProcessAnimationManager.startAdvancing(_:) + 332 (InProcessAnimationManager.swift:1108)
5   UIKitCore                     	0x0000000194747944 <deduplicated_symbol> + 36 (:-1)
6   Foundation                    	0x000000018c39321c __NSThread__start__ + 732 (NSThread.m:997)
7   libsystem_pthread.dylib       	0x00000001eb7b044c _pthread_start + 136 (pthread.c:931)
8   libsystem_pthread.dylib       	0x00000001eb7ac8cc thread_start + 8 (:-1)

Thread 14:

Thread 15 name:
Thread 15:
0   libsystem_kernel.dylib        	0x000000023c487c68 semaphore_timedwait_trap + 8 (:-1)
1   libdispatch.dylib             	0x00000001c7a516cc _dispatch_sema4_timedwait + 64 (lock.c:154)
2   libdispatch.dylib             	0x00000001c7a1ee88 _dispatch_semaphore_wait_slow + 76 (semaphore.c:116)
3   libdispatch.dylib             	0x00000001c7a2ed40 _dispatch_worker_thread + 324 (queue.c:7597)
4   libsystem_pthread.dylib       	0x00000001eb7b044c _pthread_start + 136 (pthread.c:931)
5   libsystem_pthread.dylib       	0x00000001eb7ac8cc thread_start + 8 (:-1)


Thread 0 crashed with ARM Thread State (64-bit):
    x0: 0x0000000000000000   x1: 0x0000000000000000   x2: 0x0000000000000000   x3: 0x0000000000000000
    x4: 0x000000018bda0f43   x5: 0x000000016d890e80   x6: 0x000000000000006e   x7: 0xfffff0003ffff800
    x8: 0x87e9582f49a4d424   x9: 0x87e9582eb1903624  x10: 0x0000000000000002  x11: 0x0000010000000000
   x12: 0x00000000fffffffd  x13: 0x0000000000000000  x14: 0x0000000000000000  x15: 0x0000000000000000
   x16: 0x0000000000000148  x17: 0x00000001f834e200  x18: 0x0000000000000000  x19: 0x0000000000000006
   x20: 0x0000000000000103  x21: 0x00000001f834e2e0  x22: 0x00000001f52b8000  x23: 0x00000000000003c0
   x24: 0x000000011cda8fc0  x25: 0x000000011cda8fc0  x26: 0x00000001146e9300  x27: 0x000000010a13a100
   x28: 0x00000001f6cbd000   fp: 0x000000016d890df0   lr: 0x00000001eb7b3810
    sp: 0x000000016d890dd0   pc: 0x000000023c4920cc cpsr: 0x40000000
   esr: 0x56000080 (Syscall)


Binary Images:
        0x10256c000 -         0x102837fff HydraHeadiPad arm64  <88935b83a8c134df865d547e9f4ee316> /var/containers/Bundle/Application/CA567425-1390-4203-908F-14ED388E448C/HydraHeadiPad.app/HydraHeadiPad
        0x102b0c000 -         0x102b17fff libobjc-trampolines.dylib arm64e  <1954b963897d321f88be880ecef5b408> /private/preboot/Cryptexes/OS/usr/lib/libobjc-trampolines.dylib
        0x18bc68000 -         0x18bcb9b5f libobjc.A.dylib arm64e  <4358daf977583542a1e19f185534a911> /usr/lib/libobjc.A.dylib
        0x18bd8a000 -         0x18bda46c7 libc++abi.dylib arm64e  <a741ff8f8ad1315780ba476d6d990c23> /usr/lib/libc++abi.dylib
        0x18c331000 -         0x18d177c9f Foundation arm64e  <4c3912d2e14a3a21926b54bef625be89> /System/Library/Frameworks/Foundation.framework/Foundation
        0x18d178000 -         0x18d200db7 libswift_Concurrency.dylib arm64e  <7bf340c0768f3939bd52451fb07d1db1> /usr/lib/swift/libswift_Concurrency.dylib
        0x18ecf7000 -         0x18f27d73f CoreFoundation arm64e  <d52bceeee890347c84611537154e22d9> /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
        0x194726000 -         0x196b859bf UIKitCore arm64e  <a70d8d96f3a53099901127eeb49d7be8> /System/Library/PrivateFrameworks/UIKitCore.framework/UIKitCore
        0x19a621000 -         0x19a6a15af libsystem_c.dylib arm64e  <61a33aa9d6683b35a859b6925c4047b9> /usr/lib/system/libsystem_c.dylib
        0x1a3a1d000 -         0x1a3dd38bf CFNetwork arm64e  <ac6cb88437403320999436594af6ad73> /System/Library/Frameworks/CFNetwork.framework/CFNetwork
        0x1c6a23000 -         0x1c6b9f8df AVFAudio arm64e  <a364bc2192c333adbdfce33495bcbf66> /System/Library/Frameworks/AVFAudio.framework/AVFAudio
        0x1c7a1b000 -         0x1c7a6121f libdispatch.dylib arm64e  <904d48a3d99e3962bfa9c3dfb66bba83> /usr/lib/system/libdispatch.dylib
        0x1eb7ac000 -         0x1eb7b845f libsystem_pthread.dylib arm64e  <4f94107b94d23e888542f5403c581b50> /usr/lib/system/libsystem_pthread.dylib
        0x23c487000 -         0x23c4c1d2b libsystem_kernel.dylib arm64e  <8d8301292cbe32a9b61ece493eecb399> /usr/lib/system/libsystem_kernel.dylib
        0x2a1eab000 -         0x2a1ed3d9f caulk arm64e  <ea5be041d15639fd99266d580aa02ee9> /System/Library/PrivateFrameworks/caulk.framework/caulk

EOF

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Custom Fields

apple_feedback_id
APkHSq91rdrUUed8wxiO4H8
device_model
iPad17_4
feedback_kind
crash
os_version
26.3