I have a complex application that often crashes just after the main
window is shown. It crashes almost every time (only some times, when I
quickly click on the menu bar while the window opens, it seems the
crash is avoided).
This is the report I always get:
Process: Msgs40 [5579]
Path: /Users/Anic/RB/Msgs40/Msgs40.app/Contents/MacOS/Msgs40
Identifier: com.amug.msgs40
Version: 2.3 (2.3.0b75)
Code Type: X86 (Native)
Parent Process: launchd [158]
Date/Time: 2009-04-01 00:57:26.937 +0200
OS Version: Mac OS X 10.5.6 (9G55)
Report Version: 6
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000021
Crashed Thread: 0
Thread 0 Crashed:
0 libobjc.A.dylib 0x95c2d688 objc_msgSend + 24
1 com.apple.CoreFoundation 0x93c77b25 CFRunLoopRunSpecific +
4469
2 com.apple.CoreFoundation 0x93c77cd8 CFRunLoopRunInMode + 88
3 com.apple.HIToolbox 0x92fb12c0
RunCurrentEventLoopInMode + 283
4 com.apple.HIToolbox 0x92fb10d9 ReceiveNextEventCommon +
374
5 com.apple.HIToolbox 0x930f446b ReceiveNextEvent + 58
6 rbframework.dylib 0x005e3b82 SetFocusPane(SubPane*) +
458
7 rbframework.dylib 0x005e3e89 EventPump(unsigned char)
+ 435
8 rbframework.dylib 0x005e4d55 UpdateMouseCursor() + 555
9 rbframework.dylib 0x005e4265 IsAppShuttingDown() + 53
10 rbframework.dylib 0x005e42ea
CallFunctionWithExceptionHandling(void (*)()) + 14
11 rbframework.dylib 0x005e490a mainloop() + 118
12 rbframework.dylib 0x00593203 RuntimeRun + 47
13 com.amug.msgs40 0x00008555 REALbasic._RuntimeRun + 34
14 com.amug.msgs40 0x0000327f _Main + 73
15 com.amug.msgs40 0x00001514 % main + 36
16 com.amug.msgs40 0x003a0ca2 _start + 116
17 com.amug.msgs40 0x003a0bf8 start + 43
The only thing I seem to understand is that this problem is related to
how RB runs a cycle of loop (perhaps a main thread's WaitNextEvent
call?).
Is there something to understand in this crash log?
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