Date: Sat, 6 Mar 2004 01:10:10 -0800 (PST) From: Kris Kennaway <kris@obsecurity.org> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/63605: Can't unmount DVDRAM with write protect Message-ID: <200403060910.i269AA13090384@freefall.freebsd.org>
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The following reply was made to PR kern/63605; it has been noted by GNATS. From: Kris Kennaway <kris@obsecurity.org> To: Jason Bacon <bacon@smithers.neuro.mcw.edu> Cc: FreeBSD-gnats-submit@FreeBSD.org Subject: Re: kern/63605: Can't unmount DVDRAM with write protect Date: Sat, 6 Mar 2004 01:05:07 -0800 On Mon, Mar 01, 2004 at 12:40:51PM -0600, Jason Bacon wrote: > 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. How are you mounting the disk? Read-only disks should be mounted read-only; this may be the problem. Kris
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