Debug build works on Panther, but not Release build...

[TomorrowPlusX]

Subject says it all. My game, which runs great on Tiger ( both the Debug and Release build versions ), only runs on Panther in Debug build mode. It doesn't even make it far enough to open a window.

The backtrace I get on Panther isn't particularly useful, since the Release build has debug symbols stripped, but it's failing in my code ( not any system code as far as I can tell ). Specifically, it's failing in the constructor of my primary game controller object's super class ( which is basically just a singleton which provides global access to the game state, scene graph, physics engine, sound manager, etc ).

Looking at the crashlog ( below ) the only suspect part is the "????" before the reference to OpenAL, which I downloaded from Creative's CVS, and built on Tiger, with the @executable_path set to be the bundle's Frameworks folder.

If OpenAL were the problem, I'd *assume* the Debug build wouldn't work, either. But it does.

Any ideas?



Date/Time: 2005-06-22 13:27:53 -0400
OS Version: 10.3.9 (Build 7W98)
Report Version: 2

Command: Legion
Path: /Volumes/zakariya/Projects/Legion/build/Deployment/Legion.app/Contents/MacOS/Legion
Version: ??? (1.0)
PID: 27534
Thread: 0

Exception: EXC_BAD_ACCESS (0x0001)
Codes: KERN_INVALID_ADDRESS (0x0001) at 0xfffeff00

Thread 0 Crashed:
0 <<00000000>> 0xfffeff00 0 + 0xfffeff00
1 org.zakariya.legion 0x00064b78 Legion::GameWorld::GameWorld() + 0x1c (crt.c:355)
2 org.zakariya.legion 0x000abb6c Legion::LegionGame::LegionGame() + 0x24 (crt.c:355)
3 org.zakariya.legion 0x000a779c -[GSApplication init] + 0x58 (crt.c:355)
4 com.apple.AppKit 0x92f528ac +[NSApplication sharedApplication] + 0xac
5 com.apple.AppKit 0x92f69b58 NSApplicationMain + 0x13c
6 org.zakariya.legion 0x00008820 _start + 0x158 (crt.c:272)
7 org.zakariya.legion 0x000086c4 start + 0x3c

PPC Thread State:
srr0: 0xfffeff00 srr1: 0x4200f030 vrsave: 0x00000000
cr: 0x84000422 xer: 0x00000000 lr: 0x000a770c ctr: 0x90008b20
r0: 0x000a76f8 r1: 0xbffffb50 r2: 0x8fe507cc r3: 0xa0a36170
r4: 0x9089bc0c r5: 0x00000000 r6: 0x00008bff r7: 0x42b99f98
r8: 0x000ee597 r9: 0x00000040 r10: 0x1e6493d7 r11: 0x00123a93
r12: 0x000f4240 r13: 0x00000000 r14: 0x00000000 r15: 0x00000000
r16: 0x00000000 r17: 0xa2e92800 r18: 0xa2e72800 r19: 0xa2ea2800
r20: 0xa2ea2800 r21: 0x90897e40 r22: 0x0062c000 r23: 0x00000000
r24: 0x00235410 r25: 0x00000000 r26: 0x0060d180 r27: 0x00630bf0
r28: 0x00630bcc r29: 0x00630b60 r30: 0x00630b60 r31: 0x00000000

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[Malarkey]

Maybe try compiling it with GCC 3.3 instead of 4.0? I think OSC mentioned in some other thread that GCC 4.0 had some problems with it.

Edit: Here's the thread (http://www.idevgames.com/forum/showthread.php?t=9134) I was thinking about.

[TomorrowPlusX]

I just gave that a shot. Didn't work, though. :\

[DoG]

You may be running into an unitialized variable problem here, at least the symptoms are typical. The debug and release versions may have different contents of the unitialised variable, and that's why you might see that.

It would probably help if we could see the code noted (crt.c?) in that crashlog.

[TomorrowPlusX]

Unfortunately, crt.c is the file that always gets mentioned when an executable built in release mode crashes, at least on my systems. E.g., if the *Debug* build had crashed, I'd know where and why. But the debug build works.

The Release build -- with no debug symbols -- runs fine on Tiger, but crashes on Panther.

Here's GameWorld's constructor:

GameWorld::GameWorld( void ):
_currentState(0),
_videoSettings( new VideoSettings ),
_keyboardSettings( new KeyboardSettings ),
_autoDeletionStack( "GameWorldADS" ),
_timer( 0.25 )
{
GameObject::setTimestep( UpdateInterval );
Screenshot::setPreferredFormat( Screenshot::JPEG );
}


Here's the constructor of the class "LegionGame" which inherits from GameWorld.


LegionGame::LegionGame( void )
:_world(0), _space(0), _contactGroup(0),
_stage(0), _player(0), _hud(0), _fpsWidget(0), _traceView(0),
_level(-1),
_shadowMethod( VideoSettings::ShadowMethod_Additive ),
_mainMenuState(0), _loadingState(0), _keyboardSettingsState(0),
_videoSettingsState(0), _playingState(0), _pausedState(0), _gameOverState(0),
_tesselatorTestState(0), _explosionTestState(0),
_keyScreenshot(-1)
{
PANSICore::Logger::instance()->addListener( new GameLogListener( std::cout ) );

videoSettings()->addSettingsListener( this );
keyboardSettings()->addSettingsListener( this );
}


And, finally, here's where LegionGame is created, in -(void) init for my subclass of NSApplication. Note, this was adapted from OneSadCookie's GameShell.


- (id)init
{
self = [super init];
if (self == nil)
{
return nil;
}

_modifierFlags = 0;
_firstMouseMovement = YES;

/*
LegionGame is both a GameWorld and a GameController,
thanks to multiple inheritance.
*/

Legion::LegionGame *game = new Legion::LegionGame;

Legion::GameWorld::setInstance( game );
GSSetGameController( game );

return self;
}