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Subject: RE: How to get coredump on SSC
Date: Wed, 10 Jan 2007 11:38:18 -0800
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Thread-Topic: How to get coredump on SSC
thread-index: Acc06lEp++b+v77tQDqVk07FL+UrNAABHOUQ
From: "Ron Bhanukitsiri" <ronb@onstor.com>
To: "Andy Sharp" <andy.sharp@onstor.com>
Cc: "Maxim Kozlovsky" <maxim.kozlovsky@onstor.com>,
	"Brian DeForest" <brian.deforest@onstor.com>,
	"dl-Software" <dl-software@onstor.com>

Ah thanks, I now know what you mean.  I'll give
it a try.

I also found a function in cifsd, dump_core(), that
did the trick.

Thanks everyone for your help.

Ron B[ee]

-----Original Message-----
From: Andrew Sharp [mailto:andy.sharp@onstor.com]=20
Sent: Wednesday, January 10, 2007 11:06 AM
To: Ron Bhanukitsiri
Cc: Maxim Kozlovsky; Brian DeForest; dl-Software
Subject: Re: How to get coredump on SSC

kill(getpid(), SIGQUIT);

?

Cheers,

a

On Wed, 10 Jan 2007 10:44:11 -0800 "Ron Bhanukitsiri" <ronb@onstor.com>
wrote:

> Thanks Andrew.
>=20
> No I'm trying to force a coredump from the specific
> area of the code.   So I can just kill the process.
>=20
> Ron B[ee]
>=20
> -----Original Message-----
> From: Andrew Sharp [mailto:andy.sharp@onstor.com]=20
> Sent: Wednesday, January 10, 2007 10:38 AM
> To: Ron Bhanukitsiri
> Cc: Maxim Kozlovsky; Brian DeForest; dl-Software
> Subject: Re: How to get coredump on SSC
>=20
> Did you try=20
>=20
> kill -quit <pid-of-cifsd>
>=20
> ?
>=20
> Cheers,
>=20
> a
>=20
> On Wed, 10 Jan 2007 09:43:46 -0800 "Ron Bhanukitsiri"
> <ronb@onstor.com> wrote:
>=20
> > thanks Max.
> >=20
> > It's currently 0.
> >=20
> > Any other suggestion?
> >=20
> > Ron B[ee]
> >=20
> > _____________________________________________
> > From: Maxim Kozlovsky=20
> > Sent: Wednesday, January 10, 2007 9:38 AM
> > To: Brian DeForest; Ron Bhanukitsiri; dl-Software
> > Subject: RE: How to get coredump on SSC
> >=20
> > There was a problem with cifsd coredumps at one time, it required a
> > sysctl to turn on coredump for setuid process, but it was fixed some
> > time ago, and we've been getting the cifsd cores from the customers
> > since then.=20
> >=20
> > Check what  "sysctl kern.nosuidcoredump" returns, it should be 0.
> >=20
> > If it is 1, run a command "systctl -w kern.nosuidcoredump=3D0".
> >=20
> > 	_____________________________________________=20
> > 	From: 	Brian DeForest =20
> > 	Sent:	Wednesday, January 10, 2007 9:25 AM
> > 	To:	Ron Bhanukitsiri; dl-Software
> > 	Cc:	Maxim Kozlovsky
> > 	Subject:	RE: How to get coredump on SSC
> >=20
> > 	CC'ing Max.
> >=20
> > 	_____________________________________________
> > 	From: Ron Bhanukitsiri=20
> > 	Sent: Wednesday, January 10, 2007 9:24 AM
> > 	To: dl-Software
> > 	Subject: How to get coredump on SSC
> >=20
> > 	I've been trying to get cifsd (a daemon forked off by
> > authentication agent)
> > 	on the SSC to crash and produce a coredump with no success.
> >=20
> > 	I tried:
> >=20
> > 	- write to the memory pointed by null pointer (char *p =3D
> > NULL; *p =3D 0;)
> > 	- assert()
> >=20
> > 	I have a trace at the point of the code that is doing this;
> > so I know the code
> > 	is being executed.
> >=20
> > 	Is there something (like in Linux) that I have to set in
> > OpenBSD to get a
> > 	corefile?
> >=20
> > 	Thanks,
> > 	Ron B[ee]
> >=20
> >=20
