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
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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