From owner-freebsd-hackers@FreeBSD.ORG Thu Jul 18 18:15:54 2013 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 358C33D4; Thu, 18 Jul 2013 18:15:54 +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 25FAEE5B; Thu, 18 Jul 2013 18:15:54 +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 r6IIFmox006235; Thu, 18 Jul 2013 11:15:48 -0700 (PDT) (envelope-from yuri@rawbw.com) Message-ID: <51E830D4.7060302@rawbw.com> Date: Thu, 18 Jul 2013 11:15:48 -0700 From: Yuri User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:17.0) Gecko/20130628 Thunderbird/17.0.7 MIME-Version: 1.0 To: John Baldwin Subject: Re: Kernel crashes after sleep: how to debug? References: <51E3A334.8020203@rawbw.com> <201307161107.37460.jhb@freebsd.org> In-Reply-To: <201307161107.37460.jhb@freebsd.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Jul 2013 18:15:54 -0000 On 07/16/2013 08:07, John Baldwin wrote: > Can you go to frame 8 and do 'l' in kgdb? (kgdb) up 8 #8 0xffffffff80baea78 in vm_pageout () at /usr/src/sys/vm/vm_pageout.c:829 829 if (!VM_OBJECT_TRYLOCK(object) && (kgdb) l 824 if (!vm_pageout_page_lock(m, &next)) { 825 vm_page_unlock(m); 826 continue; 827 } 828 object = m->object; 829 if (!VM_OBJECT_TRYLOCK(object) && 830 !vm_pageout_fallback_object_lock(m, &next)) { 831 vm_page_unlock(m); 832 VM_OBJECT_UNLOCK(object); 833 continue;