Segmentation fault(LINUX) and no idea why!

[Ade Talabi]

Thomas Thiele wrote:
> 
> Hallo!
> 
> In my program I create a new thread. In this new thread I fork and
> replace the child with an other program
> using excel. Normaly I have up to four threads with this procedure. So I
> have a number of threads and the same numbers of childs (the called
> program)
> 
> The problem is sometimes (relativly seldom, so it's unreproducible ;-( )
> I get a segmantation fault and the pytthon interpreter stops.
> 
> But I if the segmentation fault happens, one of the childs is not
> running anymore. (I don't know is that the reason or a  result)
> A little testprogram with the same construction shows that if a
> segmentaltion fault happens in one child, the parant keeps running.
> I get no traceback from the interpreter.
> 
> My Question is, where can I look for the problem. Why does the
> interpreter (-> the whole program) die.  What can be the reason?


pstack, ptrace or truss  the PID
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