Subject: Re: How to force core dump ?
To: Philip Christian <>
From: Jachym Holecek <>
List: tech-kern
Date: 01/21/2003 17:40:52
On Tue, Jan 21, 2003 at 04:06:57PM +0000, Philip Christian wrote:
> I have been trying to sendto() using a CLNP RAW_SOCK
> and failing.
> So I started messing with the OSI stack and
> recompiling to see what is going on.
> Basically when sendto() is invoked it is calling
> clnp_raw.c but does not seem to pass the OSI address
> specified in sendto() onto clnp_raw.c properly.
> If I manually put an address into clnp_raw.c and
> recompile then a CLNP packet is then actually sent.
> As the address structure is pretty complicated, with
> structures of pointers pointing to structures of
> pointers etc I think that the only way that I am going
> to figure out what is going on is to do invoke a
> memory dump inside clnp_raw.c so that I can see where
> the bytes have gone...
> Can someone give me a fragment of code that will cause
> a coredump ?

If you want to force userland coredump, use abort(3). To
force a kernel crashdump, I would invoke Debugger(); and
use its sync command.

	-- Jachym Holecek