From owner-freebsd-stable@FreeBSD.ORG Thu May 14 16:30:32 2009 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0BB181065692; Thu, 14 May 2009 16:30:32 +0000 (UTC) (envelope-from cwt@networks.cwu.edu) Received: from nsc0.cwu.edu (nsc0.cwu.edu [72.233.196.16]) by mx1.freebsd.org (Postfix) with ESMTP id D3ABB8FC28; Thu, 14 May 2009 16:30:31 +0000 (UTC) (envelope-from cwt@networks.cwu.edu) Received: from n.cwu.edu (n.cwu.edu [198.104.69.57]) by nsc0.cwu.edu (8.14.3/8.14.3) with ESMTP id n4EGUVpL093979; Thu, 14 May 2009 09:30:31 -0700 (PDT) (envelope-from cwt@networks.cwu.edu) Received: from n.cwu.edu (localhost [127.0.0.1]) by n.cwu.edu (8.13.3/8.13.3) with ESMTP id n4EGUVjw013072; Thu, 14 May 2009 09:30:31 -0700 (PDT) (envelope-from cwt@networks.cwu.edu) Received: from localhost (cwt@localhost) by n.cwu.edu (8.13.3/8.13.1/Submit) with ESMTP id n4EGUVB2013069; Thu, 14 May 2009 09:30:31 -0700 (PDT) (envelope-from cwt@networks.cwu.edu) X-Authentication-Warning: n.cwu.edu: cwt owned process doing -bs Date: Thu, 14 May 2009 09:30:31 -0700 (PDT) From: Chris Timmons X-X-Sender: cwt@n.cwu.edu To: John Baldwin In-Reply-To: <20090514091410.H12558@n.cwu.edu> Message-ID: <20090514093008.Q12558@n.cwu.edu> References: <1696198956@web.de> <200905140916.40594.jhb@freebsd.org> <20090514091410.H12558@n.cwu.edu> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Greylist: Sender DNS name whitelisted, not delayed by milter-greylist-4.0 (nsc0.cwu.edu [72.233.196.16]); Thu, 14 May 2009 09:30:31 -0700 (PDT) Cc: stable@freebsd.org, freebsd-stable@freebsd.org, Martin Sugioarto Subject: Re: kernel trap 12 with interrupts disabled [bge0 on 7.2R] X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 May 2009 16:30:33 -0000 (kgdb) list *0xc07a4dac 0xc07a4dac is in devvn_refthread (/usr/src/sys/kern/kern_conf.c:209). 204 struct cdev_priv *cdp; 205 206 mtx_assert(&devmtx, MA_NOTOWNED); 207 csw = NULL; 208 dev_lock(); 209 *devp = vp->v_rdev; 210 if (*devp != NULL) { 211 cdp = (*devp)->si_priv; 212 if ((cdp->cdp_flags & CDP_SCHED_DTR) == 0) { 213 csw = (*devp)->si_devsw; On Thu, 14 May 2009, Chris Timmons wrote: > > Yesterday I updated a rock-solid machine (uptime hundreds of days) from > 7-stable circa July, 2008, to the latest stable. I run Nessus on this > machine, with about 60 concurrent scans. It pushes the load average up as > high as 20 for short periods of time, but overall is reasonably efficient. > > I have never had the box become unresponsive, let alone crash, under any load > scenario. > > This morning, I ran my first scan on 7.2-stable, with Nessus 4.0. It lasted > about 30 seconds before: > > > Fatal trap 12: page fault while in kernel mode > cpuid = 2; apic id = 06 > fault virtual address = 0x1c > fault code = supervisor read, page not present > instruction pointer = 0x20:0xc07a4dac > stack pointer = 0x28:0xee156ad4 > frame pointer = 0x28:0xee156ad8 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 5263 (nessusd) > trap number = 12 > panic: page fault > cpuid = 3