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Date:      Wed, 20 Jan 2010 13:05:09 -0800
From:      Chuck Swiger <cswiger@mac.com>
To:        Doug Poland <doug@polands.org>
Cc:        questions Questions <questions@freebsd.org>
Subject:   Re: Trouble getting a core dump from clamd
Message-ID:  <ED733F36-49ED-4FFA-B0D2-4BE90CDA9FE7@mac.com>
In-Reply-To: <0cc4c74334a73d21b31ad06d41e3779a.squirrel@email.polands.org>
References:  <db60663b086aed5329984a666b8b7e08.squirrel@email.polands.org> <d36406631001190910g5c56b43en9ca9b87bf244a40d@mail.gmail.com> <a3de0a40551edaedbb49b1d5ac2366a2.squirrel@email.polands.org> <6C738BD4-71EE-4F34-8DB5-ABDB45A06C89@mac.com> <0cc4c74334a73d21b31ad06d41e3779a.squirrel@email.polands.org>

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Hi--

On Jan 20, 2010, at 12:46 PM, Doug Poland wrote:
> Thanks for the suggestion and the pointer to man 5 core.  I
> implemented your suggestions but still get no core dump.  Very
> strange...

Check your default resource limits (shell startup files & /etc/login.conf) and see whether coredumpsize is set to 0, maybe?  If you build and run:

% cat crash.c
#include <stdlib.h>

main()
{
    char *bad = NULL;
    bad[0] = '1';
}
% cc -o crash crash.c
% ./crash
[1]    16550 segmentation fault (core dumped)  ./crash
% ls /cores
crash.16550.core

...do you get this trivial program to dump core?

Regards,
-- 
-Chuck




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