From owner-freebsd-current Wed Feb 7 8:12: 9 2001 Delivered-To: freebsd-current@freebsd.org Received: from mail.du.gtn.com (mail.du.gtn.com [194.77.9.57]) by hub.freebsd.org (Postfix) with ESMTP id 28EF237B401; Wed, 7 Feb 2001 08:11:51 -0800 (PST) Received: from mail.cicely.de (cicely.de [194.231.9.142]) by mail.du.gtn.com (8.11.0.Beta3/8.11.0.Beta3) with ESMTP id f17GBgd22842 (using TLSv1/SSLv3 with cipher EDH-RSA-DES-CBC3-SHA (168 bits) verified OK); Wed, 7 Feb 2001 17:11:44 +0100 (MET) Received: from cicely5.cicely.de (cicely5.cicely.de [fec0:0:0:104::5]) by mail.cicely.de (8.11.0.Beta1/8.11.0.Beta1) with ESMTP id f17GC6r75090 (using TLSv1/SSLv3 with cipher EDH-RSA-DES-CBC3-SHA (168 bits) verified NO); Wed, 7 Feb 2001 17:12:08 +0100 (CET) Received: (from ticso@localhost) by cicely5.cicely.de (8.11.1/8.11.1) id f17GBvS72778; Wed, 7 Feb 2001 17:11:57 +0100 (CET) (envelope-from ticso) Date: Wed, 7 Feb 2001 17:11:57 +0100 From: Bernd Walter To: non@ever.sanda.gr.jp Cc: current@FreeBSD.ORG, trevor@jpj.net, akiyama@FreeBSD.ORG Subject: Re: od driver for -CURRENT Message-ID: <20010207171156.A72756@cicely5.cicely.de> References: <20010205170041.A86739@panzer.kdm.org> <20010206154333F.non@ever.sanda.gr.jp> <20010206133030.A2232@cicely5.cicely.de> <20010206232112W.non@ever.sanda.gr.jp> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0.1i In-Reply-To: <20010206232112W.non@ever.sanda.gr.jp>; from non@ever.sanda.gr.jp on Tue, Feb 06, 2001 at 11:21:12PM +0900 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Tue, Feb 06, 2001 at 11:21:12PM +0900, non@ever.sanda.gr.jp wrote: > Today I tried with 4.2-RELEASE (sorry not -current) and, > 1. Boot up the 4.2-RELEASE with GENERIC kernel. > 2. Connect MO drive with PC Card SCSI(ncv). > 3. Insert PC Card without medium in the MO drive. > 4. The pccardd automatically run camcontrol rescan. > 5. Message says that da0 is 0MB capacity. > 6. Run fdisk da0 > 7. got panic with divided by zero. > > Probably divided by zero is caused at line 737 or 748 in the > scsi_low_action() in cam/scsi/scsi_low.c because of ccg->block_size or > secs_per_cylinder is zero. I never used fdisk on a removeable disk as I only needed them for FreeBSD. The follwoing always worked for me: dd if=/dev/zero bs=10240 count=1 of=/dev/dax disklabel -rw dax auto disklabel -e dax It looks like fdisk triggers the bug. -- B.Walter COSMO-Project http://www.cosmo-project.de ticso@cicely.de Usergroup info@cosmo-project.de To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message