[Bug 84201] Right click unmount (umount) of loop device fails

[Daniel Harvey]

Public bug reported:

Binary package hint: nautilus

I have the following loop based filesystem in /etc/fstab

/media/usbdisk/.fs.ext3 /media/usbdisk/fs       ext2
defaults,noauto,loop=/dev/loop4,user,exec       0 0

Once mounted, this appears on my desktop and within nautilus "Computer".

When I right click on the volume and select "Unmount Volume", the
operation fails with the message

    "Unable to unmount the selected volume."

with the details

    "umount: /dev/loop4 not mounted"
    "Error: umount failed"

Note that the graphical icon in nautilus is correctly labelled "fs", but
the umount appears to attempt to unmount the loop device.

Note that the command "umount /media/usbdisk/fs" works.

** Affects: nautilus (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

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Right click unmount (umount) of loop device fails
https://launchpad.net/bugs/84201