From owner-freebsd-hackers@FreeBSD.ORG  Thu Jul 18 19:56:47 2013
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
 by hub.freebsd.org (Postfix) with ESMTP id 73F54BC4;
 Thu, 18 Jul 2013 19:56:47 +0000 (UTC) (envelope-from yuri@rawbw.com)
Received: from shell0.rawbw.com (shell0.rawbw.com [198.144.192.45])
 by mx1.freebsd.org (Postfix) with ESMTP id 482B35E4;
 Thu, 18 Jul 2013 19:56:46 +0000 (UTC)
Received: from eagle.yuri.org (stunnel@localhost [127.0.0.1])
 (authenticated bits=0)
 by shell0.rawbw.com (8.14.4/8.14.4) with ESMTP id r6IJukKh036011;
 Thu, 18 Jul 2013 12:56:46 -0700 (PDT) (envelope-from yuri@rawbw.com)
Message-ID: <51E8487E.40800@rawbw.com>
Date: Thu, 18 Jul 2013 12:56:46 -0700
From: Yuri <yuri@rawbw.com>
User-Agent: Mozilla/5.0 (X11; FreeBSD amd64;
 rv:17.0) Gecko/20130628 Thunderbird/17.0.7
MIME-Version: 1.0
To: John Baldwin <jhb@freebsd.org>
Subject: Re: Kernel crashes after sleep: how to debug?
References: <51E3A334.8020203@rawbw.com> <201307161107.37460.jhb@freebsd.org>
 <51E830D4.7060302@rawbw.com> <201307181442.35401.jhb@freebsd.org>
In-Reply-To: <201307181442.35401.jhb@freebsd.org>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: Alan Cox <alc@freebsd.org>, freebsd-hackers@freebsd.org
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
 <freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-hackers>, 
 <mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
 <mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 18 Jul 2013 19:56:47 -0000

On 07/18/2013 11:42, John Baldwin wrote:
> Hmm, so this seems to indicate you have a page on the active queue that
> doesn't have an associated VM object.  Can you maybe 'p *m'?  Maybe some
> temporary page is allocated during suspend but isn't freed appropriately?

Unfortunately, I get this:
(kgdb) p *m
No symbol "m" in current context.

even though kernel was built with "makeoptions     DEBUG=-g", same for 
other symbols there.

Is there a way to identify when and by whom the page has been allocated?

Yuri