TTS problem iOS 17 beta

I see a lot of crashes on iOS 17 beta regarding some problem of "Text To Speech". Does anybody has a clue why TTS crashes? Anybody else seeing the same problem?


Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0x000000037f729380
Exception Codes: 0x0000000000000001, 0x000000037f729380
VM Region Info: 0x37f729380 is not in any region.  Bytes after previous region: 3748828033  Bytes before following region: 52622617728
      REGION TYPE                 START - END      [ VSIZE] PRT/MAX SHRMOD  REGION DETAIL
      MALLOC_NANO              280000000-2a0000000 [512.0M] rw-/rwx SM=PRV  
--->  GAP OF 0xd20000000 BYTES
      commpage (reserved)      fc0000000-1000000000 [  1.0G] ---/--- SM=NUL  ...(unallocated)
Termination Reason: SIGNAL 11 Segmentation fault: 11
Terminating Process: exc handler [36389]

Triggered by Thread:  9

.....

Thread 9 name:
Thread 9 Crashed:
0   libobjc.A.dylib               	0x000000019eeff248 objc_retain_x8 + 16
1   AudioToolboxCore              	0x00000001b2da9d80 auoop::RenderPipeUser::~RenderPipeUser() + 112 (AUOOPRenderPipePool.mm:400)
2   AudioToolboxCore              	0x00000001b2e110b4 -[AUAudioUnit_XPC internalDeallocateRenderResources] + 92 (AUAudioUnit_XPC.mm:904)
3   AVFAudio                      	0x00000001bfa4cc04 AUInterfaceBaseV3::Uninitialize() + 60 (AUInterface.mm:524)
4   AVFAudio                      	0x00000001bfa894bc AVAudioEngineGraph::PerformCommand(AUGraphNodeBaseV3&, AVAudioEngineGraph::ENodeCommand, void*, unsigned int) const + 772 (AVAudioEngineGraph.mm:3317)
5   AVFAudio                      	0x00000001bfa93550 AVAudioEngineGraph::_Uninitialize(NSError**) + 132 (AVAudioEngineGraph.mm:1469)
6   AVFAudio                      	0x00000001bfa4b50c AVAudioEngineImpl::Stop(NSError**) + 396 (AVAudioEngine.mm:1081)
7   AVFAudio                      	0x00000001bfa4b094 -[AVAudioEngine stop] + 48 (AVAudioEngine.mm:193)
8   TextToSpeech                  	0x00000001c70b3c5c __55-[TTSSynthesisProviderAudioEngine renderSpeechRequest:]_block_invoke + 1756 (TTSSynthesisProviderAudioEngine.m:613)
9   libdispatch.dylib             	0x00000001ae4b0740 _dispatch_call_block_and_release + 32 (init.c:1519)
10  libdispatch.dylib             	0x00000001ae4b2378 _dispatch_client_callout + 20 (object.m:560)
11  libdispatch.dylib             	0x00000001ae4b990c _dispatch_lane_serial_drain + 748 (queue.c:3885)
12  libdispatch.dylib             	0x00000001ae4ba470 _dispatch_lane_invoke + 432 (queue.c:3976)
13  libdispatch.dylib             	0x00000001ae4c5074 _dispatch_root_queue_drain_deferred_wlh + 288 (queue.c:6913)
14  libdispatch.dylib             	0x00000001ae4c48e8 _dispatch_workloop_worker_thread + 404 (queue.c:6507)

...

Thread 9 crashed with ARM Thread State (64-bit):
    x0: 0x0000000283309360   x1: 0x0000000000000000   x2: 0x0000000000000000   x3: 0x00000002833093c0
    x4: 0x00000002833093c0   x5: 0x0000000101737740   x6: 0x0000000000000013   x7: 0x00000000ffffffff
    x8: 0x0000000283309360   x9: 0x3c788942d067009a  x10: 0x0000000101547000  x11: 0x0000000000000000
   x12: 0x00000000000007fb  x13: 0x00000000000007fd  x14: 0x000000001ee24020  x15: 0x0000000000000020
   x16: 0x0000b1037f729360  x17: 0x000000037f729360  x18: 0x0000000000000000  x19: 0x0000000000000000
   x20: 0x00000001016a8de8  x21: 0x0000000283e21d00  x22: 0x0000000283b3f1f8  x23: 0x0000000283098000
   x24: 0x00000001bfb4fc35  x25: 0x00000001bfb4fc43  x26: 0x000000028033a688  x27: 0x0000000280c93090
   x28: 0x0000000000000000   fp: 0x000000016fc86490   lr: 0x00000001b2da9d80
    sp: 0x000000016fc863e0   pc: 0x000000019eeff248     cpsr: 0x1000
   esr: 0x92000006 (Data Abort) byte read Translation fault
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And0Austria
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Does anyone have an update on this issue? Neither the iOS 17.2 beta 2 nor the Xcode 15.1 Beta 2 release notes mention it

Posted by
dw_dw
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I am also seeing this stack trace in the crash logs that Apple send via Organiser.

My app uses TTS on the iPhone and the Apple Watch and I get this crash for both iOS 17 and watchOS 10.

Posted by
cfc
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It feels like it has something to do with calling the stop method and not actually stopping

Posted by
PLL_1234
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We are now switching to OpenAI voices to avoid having unhappy customers with crashes in the middle of performing workouts.

Cons: Our app needs to work offline so we have to add all the possible voice messages to the app... which will be quite a lot of files considering all the localisations we support.

Pros: A lot better text-to-speech audio that doesn't sound computer generated compared to Siri.

Posted by
dino_MYGO
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My users are still reporting this issue in iOS 17.2.1. Are there any known workarounds?

Posted by
sonofboo
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