In message <199812220411.XAA22424@spoons.bdi.com>, "Darrin B. Jewell" writes:
>
>Matt Knopp <mhat@fundsxpress.com>, asked:
>|>>>>> "Darrin" == Darrin B Jewell <jewell@mit.edu> writes:
>|what about `umount /dev/cd0a` 
>
>The same thing happens:
>
># umount /dev/cd0a
>umount: /cdrom: Input/output error

This has been a pet peeve of mine for years; I don't know why umount needs
access to read-only media to unmount it, but I wish it would go away.

-s