Re: Core dump problem

["Karl E. Jorgensen" <karl.jorgensen@nice.com>]

Hi

On Fri, Oct 05, 2012 at 03:18:54PM +0100, Julien Groselle wrote:
> Hello Debian users,
> 
> I want enable core dump on a debian squeeze server.
> So I have downloaded the source code of kernel (2.6.32) and i have activate
> this options :
> 
> CONFIG_PROC_VMCORE=y
> 
> CONFIG_KEXEC=y
> 
> CONFIG_CRASH_DUMP=y
> 
> CONFIG_KEXEC_JUMP=y
> 
> 
> Compilation was successful, but i can't use core dump because the file /proc/
> vmcore doesn't exist...
> 
> But it seems to be essential to do the trick.
> 
> 
> Could someone can help me to have core dump active on my server ?

Do you actually want a core dump of the kernel?  Not a userland process?

If you are after coredumps of userland processes, check out ulimit (a shell built-in) - e.g. 

   $ ulimit -c unlimited
   $ crashing-program [ args ] ...
   $ ls -l core

Hope this helps

-- 
Karl E. Jorgensen