>> > $ mount | fgrep /dev/sr0
>> > /dev/sr0 on /media/ddval/ISOIMAGE type iso9660 (ro,nosuid,nodev,relatime,
>> > nojoliet,check=s,map=n, blocksize=2048,uid=1000,gid=1000,dmode=500,
>> > fmode=400,uhelper=udisks2)
>> > $ sudo umount /dev/sr0
>> > umount: /dev/sr0: not mounted
> Try instead: sudo umount /media/ddval/ISOIMAGE
Indeed. And FWIW, you should/might be able to avoid the `sudo` by
asking udisks2 to do the unmount (I don't know how that works, tho.
I personally still use `mount` instead, so I'd do `pumount
/media/ddval/ISOIMAGE`).
Stefan
