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Re: assertion fault. on loggin


From: Paul Edwards
Subject: Re: assertion fault. on loggin
Date: Mon, 25 Aug 2003 21:48:29 GMT

"Pierre" <address@hidden> wrote in message news:address@hidden
> Paul writes :
> > Well, those look like very unusual addresses to me.
> >
> > But fn looks more reasonable.
> >
> > Can you try putting
> > >     if (fstat ( (fn = fileno (bc->fp)), &s ) != -1)
> >
> > instead of == -1
> >
> > so that I can see what good pointer values look like on your system.
>
> On a login :
> bc is 2002f7d8
> bc->fp is f0004c00
> fn is 3

Ok, so the pointers are actually reasonable after all, the problem
would appear to be the file number.

> >Did you get a core dump?  Can you examine it with a debugger and get a
> >traceback?
> Yes, we get a core dump.
> We are looking for a way to get the traceback ( a bit technical, isn't-it ? 
> ;) )

Make sure you get the core dump from the first one, ie with "== -1".

Although I suspect that given that the pointers look reasonable,
we're not going to be able to tell anything from the coredump,
it will instead need judicious use of

printf("fn is %d\n", fileno(bc->fp)) at various spots in order to
find the culprit.

Try to keep this a controlled experiment by only dealing with
"cvs login".

We'll wait for the original core dump before looking for that.

BFN.  Paul.




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