From owner-freebsd-hackers Fri Nov 1 09:20:48 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id JAA28068 for hackers-outgoing; Fri, 1 Nov 1996 09:20:48 -0800 (PST) Received: from dg-rtp.dg.com (dg-rtp.rtp.dg.com [128.222.1.2]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id JAA28041 for ; Fri, 1 Nov 1996 09:20:40 -0800 (PST) Received: by dg-rtp.dg.com (5.4R3.10/dg-rtp-v02) id AA04825; Fri, 1 Nov 1996 12:20:05 -0500 Received: from ponds by dg-rtp.dg.com.rtp.dg.com; Fri, 1 Nov 1996 12:20 EST Received: from lakes.water.net (lakes [10.0.0.3]) by ponds.water.net (8.7.5/8.7.3) with ESMTP id LAA08303; Fri, 1 Nov 1996 11:48:13 -0500 (EST) Received: (from rivers@localhost) by lakes.water.net (8.7.5/8.6.9) id LAA11535; Fri, 1 Nov 1996 11:49:06 -0500 (EST) Date: Fri, 1 Nov 1996 11:49:06 -0500 (EST) From: Thomas David Rivers Message-Id: <199611011649.LAA11535@lakes.water.net> To: sachs@interactive.net, ponds!freebsd.org!freebsd-hackers Subject: Re: [2.1.5] swapped a mounted cdrom; now what? Content-Type: text Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk > > > I boneheadedly swapped the freebsd disc in my CD player with an audio > CD while the cdrom was still mounted. Well, now even after replacing > the data CD, I can't: > > unmount it, even w/ "-f" > remount it > > I get the error > mount_cd9660: /dev/scd0a: Input/output error > on both. (And of course I can't play an audio CD). > > Is a reboot the only recourse here? > > -jay > Wow! What a coincedence. I just did exactly the same thing yesterday and got the same results! I tried everything I could, but wound up rebooting. I think the problem can also occur if you're playing an audio CD and open the player... particularly for CD-ROMs like mine that don't report the fact that the lid is open (mine is an extern NEC 3xP.) - Dave Rivers - p.s. I've moved this thread from freebsd-questions to freebsd-hackers. Perhaps it should go to -bugs?