Re: Trying to understand crash pattern
Re: Trying to understand crash pattern
- Subject: Re: Trying to understand crash pattern
- From: Aran Mulholland <email@hidden>
- Date: Wed, 20 Jul 2011 06:19:27 +1000
I can't quite remember but I had some issues with CAPlayThrough
expecting a stereo input when supplied with a mono one.
On Wed, Jul 20, 2011 at 5:45 AM, Peter Sichel <email@hidden> wrote:
> My application uses CAPlayThrough to play audio from a Bluetooth phone (SCO driver) to selected audio devices (speaker and microphone). I'm seeing a few crash reports from the field that follow a consistent pattern and wonder if anyone recognizes what is going on.
>
> My first guess is some HALProperty is being set and when it calls through to the Bluetoth SCO driver it crashes. There's not a single frame that is easily traced to code in my own application.
>
> Thanks for any insight.
>
> - Peter Sichel
> Sustainable Softworks
>
> Thread 0:: Dispatch queue: com.apple.main-thread
> 0 libobjc.A.dylib 0x00007fff8f5c4e96 objc_msgSend + 22
> 1 com.apple.Bluetooth 0x00007fff92234a11 IOBluetoothSCOAudioDeviceChanged + 1021
> 2 com.apple.audio.CoreAudio 0x00007fff94de7c24 _ZL31HALPropertyListener_Call_HelperiPvS_jjPK26AudioObjectPropertyAddress + 154
> 3 com.apple.audio.CoreAudio 0x00007fff94e09e1a __Call_block_invoke_3 + 39
> 4 libdispatch.dylib 0x00007fff8eb3b90a _dispatch_call_block_and_release + 18
> 5 libdispatch.dylib 0x00007fff8eb3d77a _dispatch_main_queue_callback_4CF + 308
> 6 com.apple.CoreFoundation 0x00007fff981c6c0c __CFRunLoopRun + 1724
> 7 com.apple.CoreFoundation 0x00007fff981c6216 CFRunLoopRunSpecific + 230
> 8 com.apple.HIToolbox 0x00007fff913084ff RunCurrentEventLoopInMode + 277
> 9 com.apple.HIToolbox 0x00007fff9130fc21 ReceiveNextEventCommon + 355
> 10 com.apple.HIToolbox 0x00007fff9130faae BlockUntilNextEventMatchingListInMode + 62
> 11 com.apple.AppKit 0x00007fff95b4b191 _DPSNextEvent + 659
> 12 com.apple.AppKit 0x00007fff95b4aa95 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 135
> 13 com.apple.AppKit 0x00007fff95b473d6 -[NSApplication run] + 463
> 14 com.apple.AppKit 0x00007fff95dc552a NSApplicationMain + 867
> 15 com.sustworks.Phone_Amego 0x000000010001bdda main + 262
> 16 com.sustworks.Phone_Amego 0x0000000100002100 start + 52
>
> Thread 1 Crashed:: Dispatch queue: com.apple.libdispatch-manager
> 0 libsystem_kernel.dylib 0x00007fff90ba07e6 kevent + 10
> 1 libdispatch.dylib 0x00007fff8eb3d60e _dispatch_mgr_invoke + 923
> 2 libdispatch.dylib 0x00007fff8eb3c19e _dispatch_mgr_thread + 54
>
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