Date: Mon, 1 Mar 2004 12:40:51 -0600 (CST) From: Jason Bacon <bacon@smithers.neuro.mcw.edu> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/63605: Can't unmount DVDRAM with write protect Message-ID: <200403011840.i21Iepqt046991@smithers.neuro.mcw.edu> Resent-Message-ID: <200403011850.i21IoDqu052638@freefall.freebsd.org>
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>Number: 63605 >Category: kern >Synopsis: Can't unmount DVDRAM with write protect >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Mar 01 10:50:13 PST 2004 >Closed-Date: >Last-Modified: >Originator: Jason Bacon >Release: FreeBSD 5.1-RELEASE i386 >Organization: Medical College of Wisconsin >Environment: System: FreeBSD smithers.neuro.mcw.edu 5.1-RELEASE FreeBSD 5.1-RELEASE #1: Thu Feb 19 13:09:05 CST 2004 bacon@smithers.neuro.mcw.edu:/usr/obj/usr/src/sys/smithers i386 >Description: If a DVDRAM is mounted with the write-protect enabled, attempts to unmount will produce the error: umount: umount of /dvdram failed: resource temporarily unavailable Presumably, there is some pending write operation that cannot be completed. I think the system is missing the fact that the write protect is on, and mounting rw. It should detect the write-protect upon mounting, and automatically mount read-only. >How-To-Repeat: Set write protect on a DVDRAM and mount it. >Fix: Workaround: camcontrol eject bus:target:lun will eject the disk, but will not update the mount table. >Release-Note: >Audit-Trail: >Unformatted:
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