[Bug 823989] [NEW] mount locks device without unlocking it

[Sworddragon]

Public bug reported:

I'm using Ubuntu 11.10 dev. If I mount an optical device it get locked
then. The problem is that an umount doesn't unlock the device (but it
get unregistered from /etc/mtab). If I physical eject the device it
doesn't open then. But I figured out that this ejection try is
remembered. If I mount the device again it is ejected then (but is
registered as mounted).

I have tested this on 2 drives:
vendor 'HL-DT-ST' product 'DVDRAM GH24LS50' revision 'YP02'
vendor 'HL-DT-ST' product 'DVD-RAM GSA-H22N' revision '1.02'

** Affects: util-linux (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/823989

Title:
  mount locks device without unlocking it

Status in “util-linux” package in Ubuntu:
  New

Bug description:
  I'm using Ubuntu 11.10 dev. If I mount an optical device it get locked
  then. The problem is that an umount doesn't unlock the device (but it
  get unregistered from /etc/mtab). If I physical eject the device it
  doesn't open then. But I figured out that this ejection try is
  remembered. If I mount the device again it is ejected then (but is
  registered as mounted).

  I have tested this on 2 drives:
  vendor 'HL-DT-ST' product 'DVDRAM GH24LS50' revision 'YP02'
  vendor 'HL-DT-ST' product 'DVD-RAM GSA-H22N' revision '1.02'

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