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To: Kostik Belousov <kostikbel@gmail.com>
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Organization: TOA Ukraine
From: Mikolaj Golub <to.my.trociny@gmail.com>
Date: Sun, 04 Apr 2010 15:26:43 +0300
In-Reply-To: <20100403165238.GO2415@deviant.kiev.zoral.com.ua> (Kostik
	Belousov's message of "Sat\, 3 Apr 2010 19\:52\:38 +0300")
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Cc: freebsd-hackers@freebsd.org, Petr Salinger <Petr.Salinger@seznam.cz>
Subject: Re: leak of the vnodes
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On Sat, 3 Apr 2010 19:52:38 +0300 Kostik Belousov wrote:

> Then, after you determined the problematic mp, reboot the machine,
> redo the procedure causing leak. From ddb prompt, you can do "show mount",
> find the mp, then do "show mount <mp address>". The later command shall
> produce really large output, listing all mp vnodes, so serial console
> or firewire can be useful. Put output somewhere.

Or use ddb capture buffer :-). In ddb:

capture on
<some commands ...>
capture off
continue

And then

ddb capture print > capture.out

Make sure your capture buffer is large enough (I have in my /etc/sysctl.conf
debug.ddb.capture.bufsize=5242880).

-- 
Mikolaj Golub