[Bug 243373] Re: FUSE Filesystem type mismatch between fstab & mtab prevents umount

[Thomas Hotz]

Confirming this bug because it happens to multiple users.

** Changed in: fuse (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/243373

Title:
  FUSE Filesystem type mismatch between fstab & mtab prevents umount

Status in “fuse” package in Ubuntu:
  Confirmed

Bug description:
  FUSE filesystems in /etc/fstab, i.e. fstab entries whose fstype is
  "fuse," show a different filesystem type in /etc/mtab, which includes
  exactly what kind of fuse filesystem it is, for example "fuse.sshfs"
  for an sshfs mount. As a result of this mismatch, the filesystem's
  owner may not unmount the filesystem using the umount command, but
  must either use sudo, or else use fusermount -u.

  In Gutsy 7.10, /etc/mtab used the same format that /etc/fstab still
  uses. In Hardy 8.04, the mtab format has changed, while the fstab
  format has remained the same, causing the fstype disagreement.
  Attempting to modify the fstab to match the format shown in the mtab
  does not work. Either the fstab should be fixed to accept the new
  format, or the mtab format should be reverted.

  #example fstab entry for sshfs
  sshfs#rct2c:    /mnt/sshfs/rct2c    fuse    rw,uid=ryan 0 0

  # corresponding old (Gutsy) mtab entry
  sshfs#rct2c: /mnt/sshfs/rct2c fuse rw,user=ryan 0 0

  # corresponding new (Hardy) mtab entry
  rct2c: /mnt/sshfs/rct2c fuse.sshfs rw,user=ryan 0 0

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