From owner-freebsd-current@FreeBSD.ORG Tue Jun 3 23:12:15 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id DCF7A37B401 for ; Tue, 3 Jun 2003 23:12:15 -0700 (PDT) Received: from mail-2.zoominternet.net (mail-2.zoominternet.net [63.67.120.22]) by mx1.FreeBSD.org (Postfix) with SMTP id B7CD843FBD for ; Tue, 3 Jun 2003 23:12:14 -0700 (PDT) (envelope-from dmmiller@cvzoom.net) Received: (qmail 8673 invoked from network); 4 Jun 2003 06:12:11 -0000 Received: from acs-24-239-219-252.zoominternet.net (HELO cvzoom.net) ([24.239.219.252]) (envelope-sender ) by mail-2.zoominternet.net (qmail-ldap-1.03) with SMTP for ; 4 Jun 2003 06:12:11 -0000 Message-ID: <3EDD8DBE.3070209@cvzoom.net> Date: Wed, 04 Jun 2003 02:12:14 -0400 From: Donn Miller User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:1.0.2) Gecko/20030208 Netscape/7.02 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Zbynek Houska References: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: current@freebsd.org Subject: Re: A possible bug? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Jun 2003 06:12:16 -0000 Zbynek Houska wrote: > Dear all, > > when I tryied to mount an iso image over network (using samba) my computer > unexpectedly crashed. > > I issued this command : mdconfig -a -t vnode -f > /path/to/my/file/mounted/on-local-machine > > and since that kernel crashed, no ping response, nothing at all. I've been > connected to this machine via ssh. > I use 5.0 RELEASE with GENERIC kernel on P3/1 Ghz, 128 MB RAM. > > It happens again when I issue same command and therefore I tryied to add > "dumpon=Yes" to my /etc/rc.conf, but nothing has been written to /var/crash. > So I enclose message from screen: > > Fatal trap 12 : page fault while in kernel mode > faukt virtual address = 0x0 > fault code = supervisor read, page not present > instruction pointer = 0x8:0xc1c50d4a > stack pointer = 0x10:0xcd1b8718 > frame pointer = 0x10:0xcd1b8738 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def31 1, gran 1 > processor eflags = interrupt enabled, resume,IOPL = 0 > current proccess = 549 (mdconfig) > trap number = 12 > panic:fault page I'm seeing the same thing with 5.1-RC1. Tried to mount an ISO image with mdconfig -a -t vnode -f isofile -u 0 and FreeBSD immediately panic-ed. The iso file resided on a samba mount, which I had mounted with mount_smbfs. I'll try cp-ing the file to my local UFS filesystem, and then try mdconfig, and see if I get the panic again.