Mac Forum / Programming / CodeWarrior / May 2005

Man is this one killing me.  vector is crashing deep deep inside the STL.
I have determined that the vector code that crashes (a push_back) only
crashes if I have declared a completely different unrelated vector in a
completely different part of the program.  Just a declaration is enough to
trigger this bug, the unrelated vector is not used in any way at all.  If
I comment out the unrelated declaratoin, the bug doesn't occur.  This is
truly absurd.  The path to vector.h is inside the CW 9.5 MSL directory, so
it isn't using vector from anywhere else.

I tried creating a completely new project from scratch, even a different
kind of project (The original was a nib bundle, the new project was not a
bundle at all).  Both projects exhibit the exact same error.

I am including the thread states from the crash log below.  Is this at all
revealing as to what the problem is?  What is an EXC_BAD_ACCESS or a
KERN_PROTECTION_FAILURE?  I'm quite out of ideas.  I have tried commenting
out the program down to a bare skeleton.  I got the program to the point
where it does practically nothing besides install Carbon event handlers
and test this one piece of vector code, but it's still dead in the water.

Any ideas?  Here's the beginning of the crash log:

Thanks.

----------------------------------------------------------

Command: Spruce
Path:
/Users/keithwiley/Programming/Spruce/Spruce.app/Contents/MacOSClassic/Spruce
Version: Spruce version 1.0 (1.0)
PID:     186
Thread:  0

Exception:  EXC_BAD_ACCESS (0x0001)
Codes:      KERN_PROTECTION_FAILURE (0x0002) at 0x00000000

Thread 0 Crashed:
0   Spruce                             0x000cd9ac Block_subBlock + 0x5c
1   Spruce                             0x000ce2cc
soft_allocate_from_var_pools + 0x6c
2   Spruce                             0x000ce65c
allocate_from_fixed_pools + 0xb8
3   Spruce                             0x000cea28 _pool_allocate + 0x68
4   Spruce                             0x000ceac4 _allocate + 0x38
5   Spruce                             0x000cec00 malloc + 0x1c
6   Spruce                             0x000cd2b8 _nw__FUl + 0x3c
7   Spruce                             0x000b6f44
allocate__Q23std13allocator<Ul>FUlPCv + 0x1c
8   Spruce                             0x000b6b88
append_realloc__Q23std39__vec_deleter<Ul,Q23std13allocator<Ul>>FUlRCUlQ210Metrowerks11int2type<3>
+ 0x44
9   Spruce                             0x000b6a70
append_realloc__Q23std39__vec_deleter<Ul,Q23std13allocator<Ul>>FUlRCUl +
0x34
10  Spruce                             0x000b69b0
push_back__Q23std39__vec_deleter<Ul,Q23std13allocator<Ul>>FRCUlQ210Metrowerks11int2type<1>
+ 0x68
11  Spruce                             0x000b6670
push_back__Q23std39__vec_deleter<Ul,Q23std13allocator<Ul>>FRCUl + 0x2c
12  Spruce                             0x000b65c4
push_back__Q23std61__vec_constructor<PP7Picture,Q23std21allocator<PP7Picture>,1>FRCPP7Picture
+ 0x20
13  Spruce                             0x000b6530
push_back__Q23std48vector<PP7Picture,Q23std21allocator<PP7Picture>>FRCPP7Picture
+ 0x20
14  Spruce                             0x000b6428
GetMultipleImageFilesWithPreview__FPvRQ23std48vector<PP7Picture,Q23std21allocator<PP7Picture>>i
+ 0x21c
15  Spruce                             0x000b3a88
OpenFromFile__10MainWindowFv + 0x34
16  Spruce                             0x000b5728 MenuHandler + 0x174
17  com.apple.HIToolbox                0x92881fa0 DispatchEventToHandlers
+ 0x150
18  com.apple.HIToolbox                0x92882214
SendEventToEventTargetInternal + 0x174
19  com.apple.HIToolbox                0x928946bc SendEventToEventTarget
+ 0x28
20  com.apple.HIToolbox                0x928a96b4
SendHICommandEvent(unsigned long, HICommand const*, unsigned long,
unsigned long, unsigned char, OpaqueEventTargetRef*,
OpaqueEventTargetRef*, OpaqueEventRef**) + 0x170
21  com.apple.HIToolbox                0x92941874
SendMenuItemSelectedEvent + 0x88
22  com.apple.HIToolbox                0x929283ac
HandleKeyboardEvent(OpaqueEventRef*, unsigned char) + 0x148
23  com.apple.HIToolbox                0x92881fa0 DispatchEventToHandlers
+ 0x150
24  com.apple.HIToolbox                0x92882214
SendEventToEventTargetInternal + 0x174
25  com.apple.HIToolbox                0x92886694
SendEventToEventTargetWithOptions + 0x28
26  com.apple.HIToolbox                0x928bb034
HandleKeyboardEvent(OpaqueEventRef*, unsigned long) + 0x140
27  com.apple.HIToolbox                0x92892c6c
ToolboxEventDispatcherHandler(OpaqueEventHandlerCallRef*, OpaqueEventRef*,
void*) + 0x1f8
28  com.apple.HIToolbox                0x9288205c DispatchEventToHandlers
+ 0x20c
29  com.apple.HIToolbox                0x92882214
SendEventToEventTargetInternal + 0x174
30  com.apple.HIToolbox                0x928946bc SendEventToEventTarget
+ 0x28
31  com.apple.HIToolbox                0x928985d8 ToolboxEventDispatcher
+ 0x5c
32  com.apple.HIToolbox                0x928b57e4 HLTBEventDispatcher +
0x10
33  com.apple.HIToolbox                0x928ab680 RunApplicationEventLoop
+ 0x98
34  Spruce                             0x000b497c main + 0xc8

Thread 1:
0   libSystem.B.dylib                  0x90018e18
semaphore_timedwait_signal_trap + 0x8
1   libSystem.B.dylib                  0x9000e9d4 _pthread_cond_wait +
0x268
2   ...ple.CoreServices.CarbonCore     0x902da570 TSWaitOnSemaphoreCommon
+ 0xb0
3   ...ickTimeComponents.component     0x99012920
ReadSchedulerThreadEntryPoint + 0x1b4
4   libSystem.B.dylib                  0x90024910 _pthread_body + 0x28

Thread 2:
0   libSystem.B.dylib                  0x90018e18
semaphore_timedwait_signal_trap + 0x8
1   libSystem.B.dylib                  0x9000e9d4 _pthread_cond_wait +
0x268
2   ...ple.CoreServices.CarbonCore     0x902da570 TSWaitOnSemaphoreCommon
+ 0xb0
3   ...ple.CoreServices.CarbonCore     0x902da3f4 AsyncFileThread(void*)
+ 0x38
4   libSystem.B.dylib                  0x90024910 _pthread_body + 0x28

PPC Thread State:
  srr0: 0x000cd9ac srr1: 0x0200d030                vrsave: 0x00000000
    cr: 0x82022224  xer: 0x00000000   lr: 0x000ce2cc  ctr: 0x90001a44
    r0: 0x00000000   r1: 0xbfffe340   r2: 0x000e0000   r3: 0x000f6000
    r4: 0x00000830   r5: 0x00000000   r6: 0x00ffe762   r7: 0x00000001
    r8: 0x00000008   r9: 0x00000000  r10: 0x00000087  r11: 0xa02b1268
   r12: 0x90001a44  r13: 0x00000000  r14: 0x00000000  r15: 0x00000000
   r16: 0x00000000  r17: 0x00000000  r18: 0x00000000  r19: 0x00000000
   r20: 0x00000002  r21: 0x00000100  r22: 0x000e5838  r23: 0x003242a0
   r24: 0xbffff410  r25: 0x00000830  r26: 0x000f2cf8  r27: 0x00000000
   r28: 0x00000000  r29: 0x00000000  r30: 0x000e6000  r31: 0x00000000

________________________________________________________________________
Keith Wiley         kwiley@cs.unm.edu         http://www.unm.edu/~keithw

"Yet mark his perfect self-contentment, and hence learn his lesson,
that to be self-contented is to be vile and ignorant, and that to
aspire is better than to be blindly and impotently happy."
                                           --  Edwin A. Abbott, Flatland
________________________________________________________________________