semop failed for cookie (incorrect semaphore state)

[inode77]

Upon luksOpen and luksClose operations there are error messages thrown.

semid 196608: semop failed for cookie 0xd4da634: incorrect semaphore state
Failed to set a proper state for notification semaphore identified by cookie value 223192628 (0xd4da634) to initialize waiting for incoming notifications.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: cryptsetup 2:1.1.3-4ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
Date: Fri Oct 21 09:36:04 2011
InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111011)
ProcEnviron:
 LANGUAGE=en_GB:en
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: cryptsetup
UpgradeStatus: No upgrade log present (probably fresh install)
crypttab: # <target name> <source device> <key file> <options>