Comment 2 for bug 1061190

I get the message on two systems. However, once booted swap is working for me:

$ free
             total used free shared buffers cached
Mem: 3096960 2840544 256416 0 167080 1669752
-/+ buffers/cache: 1003712 2093248
Swap: 3069948 40 3069908

$ sudo fdisk -l
   Device Boot Start End Blocks Id System
/dev/sdb1 * 63 392275169 196137553+ 83 Linux
/dev/sdb2 392275170 398283479 3004155 5 Extended
/dev/sdb5 392275233 398283479 3004123+ 82 Linux swap / Solaris

Disk /dev/mapper/cryptswap1: 3143 MB, 3143630848 bytes
255 heads, 63 sectors/track, 382 cylinders, total 6139904 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x817842f0

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

From my fstab:
# swap was on /dev/sda2 during installation
#UUID=296a385c-7276-4d94-a83f-057bcc3ff4b7 none swap sw 0 0
/dev/mapper/cryptswap1 none swap sw 0 0

From dmesg:
$ dmesg | grep swap
[ 40.590433] Adding 3069948k swap on /dev/mapper/cryptswap1. Priority:-1 extents:1 across:3069948k