From owner-freebsd-questions Sun Feb 22 19:11:27 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id TAA04415 for freebsd-questions-outgoing; Sun, 22 Feb 1998 19:11:27 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from kamin.narnia.math.vt.edu (kamin.narnia.math.vt.edu [198.82.185.100]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id TAA04284 for ; Sun, 22 Feb 1998 19:09:48 -0800 (PST) (envelope-from mmead@kamin.narnia.math.vt.edu) Received: (qmail 21144 invoked by uid 1500); 23 Feb 1998 03:09:46 -0000 Message-ID: <19980222220946.01910@math.vt.edu> Date: Sun, 22 Feb 1998 22:09:46 -0500 From: "matthew c. mead" To: dyson@FreeBSD.ORG Cc: jonc@pinnacle.co.nz, grog@lemis.com, questions@FreeBSD.ORG Subject: Re: new 2.2.5 installation randomly (and constantly) panics References: <19980222205301.40431@math.vt.edu> <199802230214.VAA00504@dyson.iquest.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.89i In-Reply-To: <199802230214.VAA00504@dyson.iquest.net>; from John S. Dyson on Sun, Feb 22, 1998 at 09:14:09PM -0500 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Sun, Feb 22, 1998 at 09:14:09PM -0500, John S. Dyson wrote: > matthew c. mead said: > > One of my users just informed me he can force an immediate panic by > > writing a large file to ~ftp/pub/pcg (which is mounted to ~pcg/ftp_data > > with mount -t null ~pcg/ftp_data ~ftp/pub/pcg). Is nullfs unstable? > > In fact, I haven't crashed at all since I unmounted them, and it seems > > there's always a number of ftp connections when the machine crashes. > > I'm beginning to think this might be the problem. > Avoid the special filesystems (like NULLFS) like the plague. Don't even > consider using them in a production system, and I certainly wouldn't... > Someone needs to comment the LINT file that one should definitely stay > away from them (unless the system is not mission critical.) You don't happen to know of a way that I can allow user supplied anonymous ftp data to exist on another partition than the one ftpd is chroot jailed to, do you? Thanks (everyone) for the multitide of suggestions and the aid! I'm sorry I troubled you guys when it appears the nullfs layer was at fault. Hopefully the problem's now been found. -matt -- Matthew C. Mead Virginia Tech Mathematics Department 460 McBryde Hall Blacksburg, VA 24061-0123 mmead@math.vt.edu (540)231-2643 FAX: (540)231-5960 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message