Did you actually write this app to be dual-mode, or are you under the 
impression that turning off garbage collection will magically fix things?

Going by the stack trace, this is a classic zombie. Use Instruments to find the 
bug.

On 22 Dec 2011, at 10:48, Martin Hewitson wrote:

> Dear list,
> 
> I have a very complex document based app. If I run the app compiled with 
> garbage collection support, then I can open and close document windows 
> without problems. With garbage collected disabled, opening and closing the 
> document windows results in crashes. Clearly I have a memory management 
> issue. My problem is that the crash report doesn't help me. Running in Xcode, 
> the debugger drops out in NSApplicationMain with the following back trace:
> 
> #0  0x00007fff91380398 in objc_msgSend_vtable14 ()
> No symbol table info available.
> #1  0x00007fff8ce33110 in CFRelease ()
> No symbol table info available.
> #2  0x00007fff8ce5b5f0 in -[__NSArrayM dealloc] ()
> No symbol table info available.
> #3  0x00007fff8bb06dd2 in -[NSObjectController _dealloc] ()
> No symbol table info available.
> #4  0x00007fff8b8fb6a4 in -[NSArrayController _dealloc] ()
> No symbol table info available.
> #5  0x00007fff8b9aa1bc in -[NSController dealloc] ()
> No symbol table info available.
> #6  0x00007fff8b8a34d5 in -[_NSBindingInfo dealloc] ()
> No symbol table info available.
> #7  0x00007fff8ce33110 in CFRelease ()
> No symbol table info available.
> #8  0x00007fff8ce5b5f0 in -[__NSArrayM dealloc] ()
> No symbol table info available.
> #9  0x00007fff8b838e7d in -[NSBinder _dealloc] ()
> No symbol table info available.
> #10 0x00007fff8b838e1e in -[NSBinder dealloc] ()
> No symbol table info available.
> #11 0x00007fff9138403c in (anonymous namespace)::AutoreleasePoolPage::pop ()
> No symbol table info available.
> #12 0x00007fff8ce5bf75 in _CFAutoreleasePoolPop ()
> No symbol table info available.
> #13 0x00007fff8ce634e4 in __CFRunLoopRun ()
> No symbol table info available.
> #14 0x00007fff8ce62ae6 in CFRunLoopRunSpecific ()
> No symbol table info available.
> #15 0x00007fff88bcd3d3 in RunCurrentEventLoopInMode ()
> No symbol table info available.
> #16 0x00007fff88bd463d in ReceiveNextEventCommon ()
> No symbol table info available.
> #17 0x00007fff88bd44ca in BlockUntilNextEventMatchingListInMode ()
> No symbol table info available.
> #18 0x00007fff8b6363f1 in _DPSNextEvent ()
> No symbol table info available.
> #19 0x00007fff8b635cf5 in -[NSApplication 
> nextEventMatchingMask:untilDate:inMode:dequeue:] ()
> No symbol table info available.
> #20 0x00007fff8b63262d in -[NSApplication run] ()
> No symbol table info available.
> #21 0x00007fff8b8b180c in NSApplicationMain ()
> 
> 
> Can anyone offer any hints or suggestions as to how I can better go about 
> finding this memory problem?
> 
> (By the way, the reason I want to switch off the garbage collector is that I 
> get intermittent crashes to do with the garbage collector queue; googling 
> revealed that others have seen these crashes and the consensus seemed to be, 
> switch off garbage collection. In any case, I don't like the fact that I 
> can't switch off garbage collection due to what must be a bug somewhere.)
> 
> 
> Best wishes,
> 
> Martin
> 
> 
> 
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Martin Hewitson
> Albert-Einstein-Institut
> Max-Planck-Institut fuer 
>    Gravitationsphysik und Universitaet Hannover
> Callinstr. 38, 30167 Hannover, Germany
> Tel: +49-511-762-17121, Fax: +49-511-762-5861
> E-Mail: martin.hewit...@aei.mpg.de
> WWW: http://www.aei.mpg.de/~hewitson
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> 
> 
> 
> 
> _______________________________________________
> 
> Cocoa-dev mailing list (Cocoa-dev@lists.apple.com)
> 
> Please do not post admin requests or moderator comments to the list.
> Contact the moderators at cocoa-dev-admins(at)lists.apple.com
> 
> Help/Unsubscribe/Update your Subscription:
> http://lists.apple.com/mailman/options/cocoa-dev/cocoadev%40mikeabdullah.net
> 
> This email sent to cocoa...@mikeabdullah.net

_______________________________________________

Cocoa-dev mailing list (Cocoa-dev@lists.apple.com)

Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com

Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com

This email sent to arch...@mail-archive.com

Reply via email to