garbage collection is ON NSCFDictionary crash
garbage collection is ON NSCFDictionary crash
- Subject: garbage collection is ON NSCFDictionary crash
- From: Jesse Grosjean <email@hidden>
- Date: Tue, 3 Feb 2009 10:16:10 -0500
I'm looking for some advice on tracking down a crash that I keep
getting reports about, but that I haven't reproduced locally. I have a
garbage collected app, and I keep getting (maybe 2 or 3 a day) the
following crash report:
------------------------------------------------------------------------
Process: TaskPaper [340]
Identifier: com.hogbaysoftware.TaskPaper
Code Type: X86 (Native)
Parent Process: launchd [167]
Date/Time: 2009-02-03 04:58:19.612 -0800
OS Version: Mac OS X 10.5.6 (9G55)
Report Version: 6
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x00000000a1b1c1d8
Crashed Thread: 1
Application Specific Information:
objc[340]: garbage collection is ON
NSCFDictionary
...
Thread 1 Crashed:
0 com.apple.CoreFoundation 0x9638fcd0
__CFTypeCollectionRelease 80
1 com.apple.CoreFoundation 0x9635cb69
__CFDictionaryDeallocate 281
2 com.apple.Foundation 0x906bdd51 -[NSCFDictionary
finalize] 49
3 libobjc.A.dylib 0x909546b6 finalizeOneObject 56
4 libauto.dylib 0x93e9ed9b
foreach_block_do(auto_zone_cursor*, void (*)(void*, void*), void*)
123
5 libobjc.A.dylib 0x9095487b batchFinalize 220
6 libobjc.A.dylib 0x90954b42
batchFinalizeOnTwoThreads 98
7 libauto.dylib 0x93e9fefe
auto_collect_internal(Auto::Zone*, int) 782
8 libauto.dylib 0x93ea0b7f
auto_collection_thread(void*) 111
9 libSystem.B.dylib 0x96592095 _pthread_start 321
10 libSystem.B.dylib 0x96591f52 thread_start 34
...
------------------------------------------------------------------------
The crash is always in Thread1 and NSCFDictionary is always printed
near the top of the crash report. Does anyone have any idea of what
could be causing this. Or can you suggest some steps that I could take
to track it down?
Thanks,
Jesse
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