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