From owner-freebsd-hackers@FreeBSD.ORG  Mon Jul 15 10:35:50 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 2093894A
 for <freebsd-hackers@freebsd.org>; Mon, 15 Jul 2013 10:35:50 +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 10D7BE2D
 for <freebsd-hackers@freebsd.org>; Mon, 15 Jul 2013 10:35:49 +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 r6FAZniH039356
 for <freebsd-hackers@freebsd.org>; Mon, 15 Jul 2013 03:35:49 -0700 (PDT)
 (envelope-from yuri@rawbw.com)
Message-ID: <51E3D085.2050504@rawbw.com>
Date: Mon, 15 Jul 2013 03:35:49 -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: freebsd-hackers@freebsd.org
Subject: Re: Kernel crashes after sleep: how to debug?
References: <51E3A334.8020203@rawbw.com>
In-Reply-To: <51E3A334.8020203@rawbw.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
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: Mon, 15 Jul 2013 10:35:50 -0000

On 07/15/2013 00:22, Yuri wrote:
> How to find the cause of the crash?

I added WITNESS and related options and next crash produced such messages:
Jul 15 03:25:53 satellite kernel: panic: Bad link elm 0xfffffe00b780d000 
next->prev != elm
Jul 15 03:25:53 satellite kernel: cpuid = 1
Jul 15 03:25:53 satellite kernel: KDB: stack backtrace:
Jul 15 03:25:53 satellite kernel: #0 0xffffffff8094b846 at 
kdb_backtrace+0x66
Jul 15 03:25:53 satellite kernel: #1 0xffffffff809129c8 at panic+0x1d8
Jul 15 03:25:53 satellite kernel: #2 0xffffffff80b83994 at 
vm_page_requeue+0xe4
Jul 15 03:25:53 satellite kernel: #3 0xffffffff80b896c4 at vm_pageout+0xb04
Jul 15 03:25:53 satellite kernel: #4 0xffffffff808e3f65 at fork_exit+0x135
Jul 15 03:25:53 satellite kernel: #5 0xffffffff80cd72de at 
fork_trampoline+0xe


Process was pagedaemon, like before.

Yuri