From owner-freebsd-hackers@FreeBSD.ORG Thu Dec 28 22:24:14 2006 Return-Path: X-Original-To: FreeBSD-Hackers@FreeBSD.org Delivered-To: FreeBSD-Hackers@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 353FC16A412 for ; Thu, 28 Dec 2006 22:24:14 +0000 (UTC) (envelope-from jan@digitaldaemon.com) Received: from digitaldaemon.com (digitaldaemon.com [63.105.9.34]) by mx1.freebsd.org (Postfix) with SMTP id 62ED613C478 for ; Thu, 28 Dec 2006 22:24:12 +0000 (UTC) (envelope-from jan@digitaldaemon.com) Received: (qmail 2432 invoked by uid 98); 28 Dec 2006 22:24:07 -0000 Received: from 63.105.9.34 by digitaldaemon.com (envelope-from , uid 89) with qmail-scanner-1.25 (clamdscan: 0.87/1195. Clear:RC:1(63.105.9.34):. Processed in 0.138927 secs); 28 Dec 2006 22:24:07 -0000 X-Qmail-Scanner-Mail-From: jan@digitaldaemon.com via digitaldaemon.com X-Qmail-Scanner: 1.25 (Clear:RC:1(63.105.9.34):. Processed in 0.138927 secs) Received: from digitaldaemon.com (HELO ?160.63.102.2?) (63.105.9.34) by digitaldaemon.com with SMTP; 28 Dec 2006 22:24:06 -0000 Message-ID: <45944404.8050301@digitaldaemon.com> Date: Thu, 28 Dec 2006 17:24:04 -0500 From: Jan Knepper User-Agent: Thunderbird 1.5.0.9 (Windows/20061207) MIME-Version: 1.0 To: Jan Knepper References: <45918F6E.90006@digitaldaemon.com> <004c01c7293b$d5e03b40$6500a8c0@laptopt> <4591CB3C.1060902@digitaldaemon.com> <20061227033742.GA9706@xor.obsecurity.org> <4593552E.80400@digitaldaemon.com> In-Reply-To: <4593552E.80400@digitaldaemon.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Tim McCullagh , FreeBSD ISP , FreeBSD Hackers , Kris Kennaway Subject: Re: 6.1-RELEASE / 6.2 Kernel Crash... X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Dec 2006 22:24:14 -0000 Jan Knepper wrote: > Kris Kennaway wrote: >> On Tue, Dec 26, 2006 at 08:24:12PM -0500, Jan Knepper wrote: >> >>> Tried that and started >>> >>> dd if=/dev/ad4 if=/dev/ad6 bs=1m >>> >>> Kernel went in panic and automatic reboot in about an hour... >>> >>> It gets worse... when it does reboot the disk drive will not show in >>> the BIOS, nor does FreeBSD recognize it during boot. The system >>> actually has to be turned off to reset the drive... >>> >>> This is bad... >>> >>> Any other suggestions? >>> >> >> Sounds like a bug in the support for your ATA hardware, or your >> hardware is broken. The very least you'll need to do is to obtain a >> crashdump and debugging backtrace (see the developers handbook) and CC >> it to sos@ >> >> > This is getting funnier... > I added: > dumpdev="AUTO" > to: rc.conf > Rebooted the system and tried to get it to crash again... > And indeed it does in process 9: taskq > > Then it starts dumping which takes a couple of seconds as the machine > has 2 GB Ram... > > Than it reboots... and the next thing you know... savecore does NOT > recognize a dump on the swap file system. If does not save anything to > /var/crash... > Tried this about 10 times... No luck... > > Any other idea's? > Well... since capturing a kernel debug dump does not seem to be working I had an other crash (is not that difficult to reproduce) and copied the console screen with the information... Here it is, for whatever this is worth... Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x50 fault code = supervisor read, page not present instruction pointer = 0x8:0xffffffff80289d6d stack pointer = 0x10:0xffffffffb1b06af0 frame pointer = 0x10:0xffffff00468d9400 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current processor = 9 (thread taskq) trap number = 12 panic: page fault cpuid = 0 Uptime: 16h56m17s Dumping 2047 MB (2 chunks) chunk 0: 1MB (156 pages) .. ok chunk 1: 2047MB (524016 pages) 2031 2015 1999 1983 1967 1951 1935 1919 1903 18 87 ... ... 47 31 15 ... ok Dump complete Automatic reboot in 15 seconds - press a key on console ot abort