Re: crashes on intel

FROM : Chris Suter
DATE : Sat Jun 03 15:39:26 2006

On 03/06/2006, at 8:38 PM, Karim Morsy wrote:

> Hi,
>
> my cocoa app runs without any problems on PPC based macs but I'm 
> constantly getting the same crash on intel, however, it appears to 
> occur very indeterminately.
> I haven't been able to figure out where the problem exactly lies 
> and how to reproduce it. the debugger always reports the same error.
> can anybody help interpret this:
> Unable to disassemble objc_msgSend_rtp.
> (gdb) t a a bt
> Thread 4 (process 9664 thread 0x9603):
> #0 0xffff0b08 in objc_msgSend_rtp ()
> Cannot access memory at address 0x4
>
> it also says: Function "_pthread_body" not defined.
>
> any hints would be much appreciated!
>
> thanks in advance,
> Karim


One possibility is that you're trying to send a message to a freed 
object which might give different results depending upon architecture.

You can track these problems by running your program with the 
following environment variable setting:

NSZombieEnabled=YES

- Chris