From owner-freebsd-stable Fri Feb 8 6:11:19 2002 Delivered-To: freebsd-stable@freebsd.org Received: from mail.cho.cstone.net (mail.cho.cstone.net [209.145.64.80]) by hub.freebsd.org (Postfix) with ESMTP id 5BF4837B402 for ; Fri, 8 Feb 2002 06:11:16 -0800 (PST) Received: from cstone.net (nomad.eng.cstone.net [209.145.66.28]) by mail.cho.cstone.net (8.11.6/8.11.6) with ESMTP id g18EBE567456; Fri, 8 Feb 2002 09:11:14 -0500 (EST) (envelope-from wer@cstone.net) Message-ID: <3C63DC81.D8A0126C@cstone.net> Date: Fri, 08 Feb 2002 09:11:14 -0500 From: William E Reid X-Mailer: Mozilla 4.76 [en] (X11; U; Linux 2.2.12 i386) X-Accept-Language: en MIME-Version: 1.0 To: "Gary W. Swearingen" Cc: freebsd-stable@FreeBSD.ORG Subject: Re: How do I handle repeatable OS crash? References: <3gpu3gwoct.u3g@localhost.localdomain> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG I Had a similar problem with burncd. It happened because I did not "fixate" the cd. I mounted the cd with no TOC and boom! -=Bill "Gary W. Swearingen" wrote: > I'm running 4.5-PRE from about 26'dec'02 and have a badly-burned CD-R > with which I can repeatably hang the system by simply trying to mount > it. I haven't seen any error messages in /var/log/messages, but did > see a bunch of stuff come to the console which it seemed to be > re-writing slightly differently (it seemed to be flashing) and which I > failed to try to copy to paper. Any way to get that to go to a file > when it's still writable? > > I'd like to know how to gather info for a good PR. Is this documented > somewhere? I didn't see it in the Handbook. I suppose I can determine > how to create a "crash file" from the dumpon man page, but I'll bet it'd > be real helpful to have some cookbook recipes for using a debugger on > the crash file. Which debugger? gdb? ddb? Can I do anything with a > normal kernel, or do I HAVE to rebuild it with extra options? > > I'm thinking I should work with the now-old OS version because if I > upgrade to 4.5-R or -S, some weird interaction may hide the bug. Even if > it has simply been fixed, I'd sort of like to see how this works > for next time, before upgrading the OS. > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message