What is the dSYM - and this output was produced from a debug build.

Peter

On 18 Apr 2011, at 20:38, Nick Zitzmann wrote:


On Apr 18, 2011, at 1:26 PM, Peter Hudson wrote:

Hi all,

I seem to have acquired a repeatable crash problem - which has only just appeared.
The log looks like this :-

OS Version: 10.4.11 (Build 8S2167)
Report Version: 4


PID: 223
Thread: 0

Exception: EXC_BAD_ACCESS (0x0001)
Codes: KERN_INVALID_ADDRESS (0x0001) at 0x50000079

Thread 0 Crashed:
0 libobjc.A.dylib 0x90a594c7 objc_msgSend + 23
1 WattWenn 0x00058bb5 0x1000 + 359349
2 com.apple.AppKit 0x93362dbc -[NSApplication sendAction:to:from:] + 107
3 com.apple.AppKit 0x93362d15 -[NSControl sendAction:to:] + 101
4 com.apple.AppKit 0x93364ec1 -[NSCell _sendActionFrom:] + 168
5 com.apple.AppKit 0x933776a1 -[NSCell trackMouse:inRect:ofView:untilMouseUp:] + 1271 6 com.apple.AppKit 0x93395289 -[NSButtonCell trackMouse:inRect:ofView:untilMouseUp:] + 848
7 com.apple.AppKit 0x93394b39 -[NSControl mouseDown:] + 757
8 com.apple.AppKit 0x933523e3 -[NSWindow sendEvent:] + 5279
9 com.apple.AppKit 0x93344384 -[NSApplication sendEvent:] + 5023
10 com.apple.AppKit 0x9326ee1e -[NSApplication run] + 547
11 com.apple.AppKit 0x93262d4f NSApplicationMain + 573
12 WattWenn 0x00002632 0x1000 + 5682
13 WattWenn 0x00002559 0x1000 + 5465

How do I resolve the point in my code where the crash seems to come from -

(   1 WattWenn 0x00058bb5 0x1000 + 359349  )

to a line in code ?

Did you save the dSYM from when you built the shipping product? If so, then you can use dwarfdump with the --lookup option to look up that address. Don't forget to include the architecture from the crash log. If not, then I don't think you can look that up.

Nick Zitzmann
<http://www.chronosnet.com/>


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