Re: Mysterious crash in objc_msgSend in GC app
Re: Mysterious crash in objc_msgSend in GC app
- Subject: Re: Mysterious crash in objc_msgSend in GC app
- From: "Sean McBride" <email@hidden>
- Date: Tue, 27 Oct 2009 16:24:04 -0400
- Organization: Rogue Research Inc.
On 10/27/09 11:30 AM, Greg Parker said:
>> I'm able to determine that the selector was from libobjc.A.dylib but I
>> don't know which (the uuid from dwarfdump does not match mine).
>
>The selector is `_handleRecognitionDoneWithRecognitionResult:`, which
How did you determine that? Like the report submitter, I have 9L30, but
I get:
dwarfdump -u /Volumes/Leopard/usr/lib/libobjc.A.dylib
UUID: A1D4BE2E-ED46-3C67-99B6-A1447FDE72BA (ppc7400) /Volumes/Leopard/
usr/lib/libobjc.A.dylib
UUID: 0767EFCB-41C0-AAFB-B4B1-22CDEC825DCE (ppc64) /Volumes/Leopard/usr/
lib/libobjc.A.dylib
UUID: 3CA288B6-25A4-7BBC-FE37-8158E4DC328F (i386) /Volumes/Leopard/usr/
lib/libobjc.A.dylib
UUID: EFC7EBDF-E5EA-8B72-3EBD-B322CE775DDF (x86_64) /Volumes/Leopard/usr/
lib/libobjc.A.dylib
Where is the ae894159f17cfb7673373132cab14f77 one from?
>is from NSSpeechRecognizer. It looks like NSSpeechRecognizer fixed a
>GC bug in Snow Leopard;
Interesting. I was not aware of any NSSpeechRecognizer bug. I know
about NSSpeechSynthesizer having a bug with GC <rdar://6073042> which I
have already worked around.
Could you tell me a bit more about the bug? Currently, I store my
NSSpeechRecognizer in an ivar, process spoken commands, the send it -
stopListening, then nil my ivar.
> do you have any similar crashes from Snow
>Leopard?
Alas, the crash reporting thing we use does not support 10.6. :(
>My guess is no, because you would have seen the selector name
>included in Snow Leopard crash logs.
I have seen, and love that feature BTW!
Thanks,
--
____________________________________________________________
Sean McBride, B. Eng email@hidden
Rogue Research www.rogue-research.com
Mac Software Developer Montréal, Québec, Canada
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