~# cryptsetup luksFormat /dev/sdb1

WARNING!
========
This will overwrite data on /dev/sdb1 irrevocably.

Are you sure? (Type uppercase yes): YES
Enter LUKS passphrase:
Verify passphrase:
device-mapper: reload ioctl failed: Invalid argument
Failed to setup dm-crypt key mapping for device /dev/sdb1.
Check that kernel supports aes-cbc-essiv:sha256 cipher (check syslog for more info).

syslog:
Jul 16 17:18:54 hippo kernel: [ 5992.422764] device-mapper: table: 253:3: crypt: Device lookup failed
Jul 16 17:18:54 hippo kernel: [ 5992.422873] device-mapper: ioctl: error adding target to table


~# cryptsetup -c sha512 luksFormat /dev/sdb1

WARNING!
========
This will overwrite data on /dev/sdb1 irrevocably.

Are you sure? (Type uppercase yes): YES
Enter LUKS passphrase:
Verify passphrase:

Message from syslogd@hippo at Jul 16 18:14:40 ...
 kernel:[ 9338.335061] general protection fault: 0000 [#1] SMP

Message from syslogd@hippo at Jul 16 18:14:40 ...
 kernel:[ 9338.335153] last sysfs file: /sys/devices/pci0000:00/0000:00:1f.2/host3/target3:0:0/3:0:0:0/block/sdb/removable

Message from syslogd@hippo at Jul 16 18:14:40 ...
 kernel:[ 9338.337002] Stack:

Message from syslogd@hippo at Jul 16 18:14:40 ...
 kernel:[ 9338.337002] Call Trace:

Message from syslogd@hippo at Jul 16 18:14:40 ...
 kernel:[ 9338.337002] Code: fa 66 0f 1f 44 00 00 65 8b 04 25 a8 e3 00 00 48 98 49 8b 94 c4 f0 02 00 00 8b 4a 18 89 4c 24 14 48 8b 1a 48 85 db 74 0c 8b 42 14 <48> 8b 04 c3 48 89 02 eb 19 48 8b 4c 24 08 49 89 d0 44 89 ee 83
Segmentation fault



~# file -Ls /dev/mapper/box-root
/dev/mapper/box-root: Linux rev 1.0 ext4 filesystem data, UUID=021185e8-6225-4d59-a8c3-f5c1978e11a5 (needs journal recovery) (extents) (large files) (huge files)