From owner-freebsd-questions Wed Jun 26 21:37:30 1996 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id VAA24764 for questions-outgoing; Wed, 26 Jun 1996 21:37:30 -0700 (PDT) Received: from complete.org (node2.moundridge.midusa.net [206.28.185.178]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id VAA24749 for ; Wed, 26 Jun 1996 21:37:25 -0700 (PDT) Received: (from jgoerzen@localhost) by complete.org (8.7.5/8.7.3) id XAA01103; Wed, 26 Jun 1996 23:36:48 -0500 (CDT) From: John Goerzen Message-Id: <199606270436.XAA01103@complete.org> Subject: Re: CD-ROM driver bug -- causes system lockup! To: dwhite@resnet.uoregon.edu Date: Wed, 26 Jun 1996 23:36:46 -0500 (CDT) Cc: freebsd-questions@FreeBSD.org In-Reply-To: from Doug White at "Jun 26, 96 07:13:15 pm" X-Mailer: ELM [version 2.4ME+ PL19 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-questions@FreeBSD.org X-Loop: FreeBSD.org Precedence: bulk > On Mon, 24 Jun 1996, John Goerzen wrote: > > > I recently bumped the eject button on my CD-ROM drive. Now I know that this > > should not be done -- I should run umount first -- but anyway, I did it. I > > realized my mistake, and quickly ran umount /cdrom (it was mounted on > > /cdrom). At that point, the system locked up with a panic. > > > > My CD-ROM drive is a Sony CDU33A. > > I wouldn't call this a bug. I can make FreeBSD do strange things if I > eject a floppy before unmounting it. I can perhaps understand it if other programs are trying to access it. But all I did is run umount, and it caused a panic. That's a bug. > Other CDs (like my Plextor 4plex+) lock the tray in. Your Sony doesn't > support this it looks like. Yes, the CD-ROM drive supports the lock feature. There are DOS programs to lock/unlock it. > So in the future, avoid that eject button :-) Guess I'll have to :-) -- John Goerzen | Turn your PC into a Workstation for FREE! Custom programming | Check out www.freebsd.org NOW! For free FreeBSD jgoerzen@complete.org | Unix shell access, 316-367-8490 with your modem.