From owner-freebsd-net  Tue May  2 23:13:54 2000
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Date: Tue, 2 May 2000 23:12:29 -0700
From: Jan Koum <jkb@ethereal.net>
To: "G.B.Naidu" <gbnaidu@sasi.com>
Cc: freebsd-net@FreeBSD.ORG
Subject: Re: How to take a dump...
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In-Reply-To: <Pine.GHP.4.10.10005031112040.23210-100000@hpd14.sasi.com>; from gbnaidu@sasi.com on Wed, May 03, 2000 at 11:20:09AM +0530
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this really belongs on -questions, but.. in /etc/rc.conf you put:
dumpdev="/dev/ad0s1b"
or /dev/da0s1b or whatever your swap partition is.

swapon (not "swap on") is for setting up swap. you probably want dumpon.
if you have dumpon alread enabled, try this and check the output:

$ sysctl kern.dumpdev
no dumpon turned on -> kern.dumpdev: { major = 255, minor = -65281 }
dumpon turned on -> kern.dumpdev: { major = 116, minor = 131073 }

soooooo, first command you want to type is:

$ man dumpon swapon savecore


-- yan

On Wed, May 03, 2000 at 11:20:09AM +0530, "G.B.Naidu" <gbnaidu@sasi.com> wrote:
> 
> HI,
> 
> I need to take a dump of my kernel whenm it panics. How do I enable this?
> Do I need to add "swap on <swap device>" in the configuration file? what
> else do I need to do?
> 
> 
> thanks
> --gb
> 
> 
> 
> 
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