Re: pg_dump dumping... core

PLEASE discard my previous mail.

I tried append snprintf.o to LIBSOBJ and it did'nt change a thing; crash
at the same place.

I feel bad!!
On Thu, 24 Apr 2003, Tom Lane wrote:

> Date: Thu, 24 Apr 2003 10:57:25 -0400
> From: Tom Lane <tgl@sss.pgh.pa.us>
> To: ohp@pyrenet.fr
> Cc: pgsql-hackers list <pgsql-hackers@postgresql.org>
> Subject: Re: [HACKERS] pg_dump dumping... core
>
> ohp@pyrenet.fr writes:
> > pg_dump is crashing on 1 database here.
>
> Judging from the backtrace, malloc's data structures have gotten
> corrupted, probably as a result of somebody scribbling on a few more
> bytes than their buffer would hold.
>
> Since we haven't seen other reports of similar problems, I'm leaning
> to the theory that it's a platform-specific problem.  In particular
> I wonder whether you might have a buggy version of vsnprintf().  I have
> seen Solaris 7's vsnprintf() overrun its output buffer --- could
> Unixware's have the same bug?
>
> It'd be worth trying the workaround outlined in FAQ_Solaris (add
> snprintf.o to LIBOBJS and rebuild libpq.so), just to see if it makes
> any difference.  If not, you're in for some tedious debugging to try
> to figure out exactly where the culprit is :-(
>
>             regards, tom lane
>

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