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macOS problem in Reading crash reports

M

mkristain

macrumors regular
Original poster
Aug 18, 2011
115
0
Hi!

I am having trouble making sense of crash reports.

E.g.:

Thread 0 Crashed:
0 libobjc.A.dylib 0x90a3e100 objc_msgSend + 32
1 HoudahSpot 0x0001466c -[TestController testNotification:] + 396
2 com.apple.Foundation 0x92931ad8 _nsnote_callback + 180
3 com.apple.CoreFoundation 0x908034c4 __CFXNotificationPost + 368
4 com.apple.CoreFoundation 0x907fb5a0 _CFXNotificationPostNotification + 684
5 com.apple.Foundation 0x9291bee0 -[NSNotificationCenter postNotificationName:eek:bject:userInfo:] + 92

-[TestController testNotification:] is around line 100 in the source. I have no idea what "+ 396 refers to.

please help to reached the line number of this backtrace.

thanks.
 
Last edited:
I've never thought about it, but I would wager a guess that the numbers are assembly offsets from the named function.

In either case, you're sending a message to an object that isn't what you think it is.

Set breakpoints in -testNotification: and step through it.
 
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