[Bug 502665] Re: cryptsetup: "c_swap_unformatted" still exists after system boot

[Steve Langasek]

*** This bug is a duplicate of bug 874774 ***
    https://bugs.launchpad.net/bugs/874774

** This bug has been marked a duplicate of bug 874774
   could not mount /dev/mapper/cryptswap1

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https://bugs.launchpad.net/bugs/502665

Title:
  cryptsetup: "c_swap_unformatted" still exists after system boot

Status in cryptsetup:
  Unknown
Status in “cryptsetup” package in Ubuntu:
  New
Status in “udev” package in Ubuntu:
  Invalid

Bug description:
  Binary package hint: cryptsetup

  Using Karmic,

  cryptsetup version : 2:1.0.6+20090405.svn49-1ubuntu7.2 (fix commited
  after bug #475936)

  Confirmed after several machines boots : When using random encrypted
  swap, both "/dev/mapper/c_swap" and "/dev/mapper/c_swap_unformatted"
  exists after machine has finished booting, where
  "/dev/mapper/c_swap_unformatted" should have disappeared.

  # ll /dev/mapper/c_swap*
  brw-rw---- 1 root disk 252, 16 2010-01-03 19:20 /dev/mapper/c_swap
  brw-rw---- 1 root disk 252, 16 2010-01-03 19:20 /dev/mapper/c_swap_unformatted

  (The same behaviour is NOT observed for encrypted /tmp)

  /etc# egrep swap fstab crypttab
  fstab:/dev/mapper/c_swap none swap sw 0 0
  crypttab:c_swap         /dev/mapper/VG1-c_swap  /dev/urandom    size=128,swap

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