[Bug 759394] Re: can not umount rbind mounts

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: util-linux (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/759394

Title:
  can not umount rbind mounts

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

Bug description:
  Binary package hint: util-linux

  mkdir /mnt/dev
  mount --rbind /dev /mnt/dev
  umount /mnt/dev

  The umount fails because of the sub mounts that the recursive bind
  also bind mounted under /mnt/dev, which you have to remove manually
  first.  When you mount with --rbind, umount should be able to reverse
  the process, unmounting all recursively bound mounts.

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