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Re: AULab crashes during recording
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Re: AULab crashes during recording


  • Subject: Re: AULab crashes during recording
  • From: William Stewart <email@hidden>
  • Date: Fri, 9 Jul 2010 16:26:55 -0700

Hi Alex

Could you file a bug report please?

Thanks

Bill

On Jul 9, 2010, at 8:14 AM, Alex Weiss wrote:

> Hi,
>
> I have an AULab file with two 8-channel tracks and an AUAudioFilePlayer that feeds both tracks. Whenever I try to record one of the tracks, AULab immediately crashes after I close the file dialog. Here's an excerpt from the problem report:
>
> Exception Type:  EXC_BAD_ACCESS (SIGBUS)
> Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000000
> Crashed Thread:  6
>
> [snip]
>
> Thread 6 Crashed:
> 0   libSystem.B.dylib             	0xffff08b7 __memcpy + 279
> 1   ....audio.toolbox.AudioToolbox	0x961c6285 AudioRingBuffer::Store(AudioBufferList const*, unsigned long, long long) + 721
> 2   ....audio.toolbox.AudioToolbox	0x961c45b3 ExtAudioFile::WriteFramesAsync(unsigned long, AudioBufferList const*) + 375
> 3   ....audio.toolbox.AudioToolbox	0x961ba446 ExtAudioFileWriteAsync + 82
> 4   com.apple.audio.aulab         	0x0000ad05 0x1000 + 40197
> 5   com.apple.audio.aulab         	0x0000b9f5 0x1000 + 43509
> 6   com.apple.audio.aulab         	0x00022bcf 0x1000 + 138191
> 7   ...pple.audio.units.Components	0x70005853 0x70000000 + 22611
> 8   ...pple.audio.units.Components	0x7003054d SystemOutputAUEntry + 670
> 9   ...pple.audio.units.Components	0x70008b9f 0x70000000 + 35743
> 10  ...pple.audio.units.Components	0x70009830 0x70000000 + 38960
> 11  ...pple.audio.units.Components	0x70008d08 0x70000000 + 36104
> 12  ....audio.toolbox.AudioToolbox	0x96166f5b AudioConverterChain::CallInputProc(unsigned long) + 881
> 13  ....audio.toolbox.AudioToolbox	0x96166a83 AudioConverterChain::FillBufferFromInputProc(unsigned long*, CABufferList*) + 95
> 14  ....audio.toolbox.AudioToolbox	0x96166a11 BufferedAudioConverter::GetInputBytes(unsigned long, unsigned long&, CABufferList const*&) + 199
>
> I tested this a bit further, and it seems that this always happen when there is more than 8-channel track - if there's only one, it works just fine. Also, it doesn't matter whether there are plug-ins inserted or not.
>
> Has anybody experienced something similar?
>
> Alex
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References: 
 >AULab crashes during recording (From: Alex Weiss <email@hidden>)

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