Jon;
Thanks for the quick response!!
If I set the NSZombieEnabled variable to YES I get the following:
#0 0x9282b36d in -[NSException raise]
#1 0x92852247 in +[NSException raise:format:]
#2 0x928da79b in logMessageAndRaise
#3 0x927dc8af in NSPopAutoreleasePool
#4 0x932849d8 in loadNib
#5 0x932843d9 in +[NSBundle(NSNibLoading)
_loadNibFile:nameTable:withZone:ownerBundle:]
#6 0x9328403a in +[NSBundle(NSNibLoading)
loadNibFile:externalNameTable:withZone:]
#7 0x93283f7c in +[NSBundle(NSNibLoading) loadNibNamed:owner:]
#8 0x93283cc3 in NSApplicationMain
#9 0x00405ffc in main at main.m:18
Console:
2008-03-07 01:33:24.728 XYZ[372] *** Selector 'release' sent to
dealloced instance 0x1baba2c0 of class NSConcreteData.
Break at '-[_NSZombie release]' to debug.
NOTE: I do an 'API' & and a Full-Text Search in the documentation
for 'NSConcreteData' and there is nothing! Not a single reference.
Google yields more but NSConcreteData is definitely not used directly
by my app.
*** How do I determine what 'instance 0x1baba2c0 of class
NSConcreteData' is?
If I add a global breakpoint for -[NSZombie release] I get:
#0 0x928da958 in -[_NSZombie release]
#1 0x927dc8af in NSPopAutoreleasePool
#2 0x932849d8 in loadNib
#3 0x932843d9 in +[NSBundle(NSNibLoading)
_loadNibFile:nameTable:withZone:ownerBundle:]
#4 0x9328403a in +[NSBundle(NSNibLoading)
loadNibFile:externalNameTable:withZone:]
#5 0x93283f7c in +[NSBundle(NSNibLoading) loadNibNamed:owner:]
#6 0x93283cc3 in NSApplicationMain
#7 0x00405ffc in main at main.m:18
Nothing in the console.
How does this help me? What is useful about this? Is there a gdb
command I should invoke on frame 0?
If I 'Enable Guard Malloc" the application takes over 15 minutes and
finally appears to launch and but just seems to hang!
Nothing in the debugger or console....
Thanks for your further consideration!
Steve
On Mar 7, 2008, at 12:44 AM, Jonathan Hess wrote:
I would start by debugging with the NSZombieEnabled environment
variable set to YES. You can read about that environment variable
here: http://developer.apple.com/technotes/tn2004/tn2124.html
If that doesn't work, I would try running with libgmalloc enabled.
You can turn that on with "Enable Guard Malloc" in the Xcode "Run"
menu.
Good Luck -
Jon Hess
On Mar 6, 2008, at 10:36 PM, Steve Cronin wrote:
Folks;
Tiger 10.4.11 -- XC 2.4.1
I'm baffled by an IB error.
Reasonable development has been on-going.
Pretty stringent Build Rules and no errors or warnings.
I decide to do a clean build, torch the app's prefs file and the
CoreData store.
I want to focus on the initial installation phase of the app...
To my great surprise I cannot now get the app to launch
successfully. It ran fine 15 minutes beforehand...
Regardless of whether I 'Run' or 'Debug' I get the exact same result:
I get all the way through the appDelegate's -awakeFromNib and the
pref window opens (as I expect on first launch) but the debugger
kicks in with the following:
#0 0x90a594c7 in objc_msgSend
#1 0xbffff7b8 in ??
#2 0x932849d8 in loadNib
#3 0x932843d9 in +[NSBundle(NSNibLoading)
_loadNibFile:nameTable:withZone:ownerBundle:]
#4 0x9328403a in +[NSBundle(NSNibLoading)
loadNibFile:externalNameTable:withZone:]
#5 0x93283f7c in +[NSBundle(NSNibLoading) loadNibNamed:owner:]
#6 0x93283cc3 in NSApplicationMain
#7 0x00405ffc in main at main.m:18
In the Console I see:
....Normal log messages that I generate and expect (including the
'end-of-awake-from-nib' stamp)
Program received signal: "EXC_BAD_ACCESS".
I have the [NSException raise] as a Global breakpoint but it
doesn't fire.
Using the po command I can tell that MainMenu is the nib involved;
the prefs window is in a separate nib...
How do I track this down?
Steve
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