[Bug 1153661] Re: The disk drive for /dev/mapper/cryptswap1 is not ready yet or not present

[2552nsf]

I'm using Xubuntu 14.04 LTS, installed via minimal install CD and booted
from hard drive, not USB. I tried the workaround mentioned here
https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1301383/comments/6
, one try adding offset=8 to the script, another replacing the UUID
reference with my swap partition, /dev/sda5 (not both at once), and
neither worked (even on first reboot), still get the message on startup.
Both attempts had in common that fdisk -l showed this:

Disk /dev/mapper/cryptswap1 doesn't contain a valid partition table

and swapon -a showed this:

swapon: /dev/mapper/cryptswap1: read swap header failed: Invalid
argument

Reverting to unencrypted swap worked.

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https://bugs.launchpad.net/bugs/1153661

Title:
  The disk drive for /dev/mapper/cryptswap1 is not ready yet or not
  present

Status in cryptsetup:
  New
Status in “cryptsetup” package in Ubuntu:
  Triaged

Bug description:
  Related to this bug
  (https://bugs.launchpad.net/ubuntu/+source/mountall/+bug/1091792)
  mountall 2.48 is still showing most times on booting that
  /dev/mapper/cryptswap1 is not ready.

  My system was configured on installing to use ecryptfs on my home
  partition. This is why my swap partition was automatically configured
  to be encrypted with dm-crypt.

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