Errors were encountered while processing libpam-modules_1.1.0-2ubuntu1_i386.deb

[JanCeuleers]

Binary package hint: update-manager

When trying to upgrade to karmic beta, the following is the last bit of output:

--begin--
Restarting services possibly affected by the upgrade:
  gdm: reloading...done.
  dovecot: stopping...starting...done.
  cron: stopping...starting...done.
  atd: stopping...starting...done.

Services restarted successfully.

Processing triggers for libc-bin ...
ldconfig deferred processing now taking place
(Reading database ... 68105 files and directories currently installed.)
Preparing to replace libpam-modules 1.0.1-9ubuntu1.1 (using .../libpam-modules_1.1.0-2ubuntu1_i386.deb) ...
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error processing /var/cache/apt/archives/libpam-modules_1.1.0-2ubuntu1_i386.deb (--unpack):
 subprocess pre-installation script returned error exit status 1
Errors were encountered while processing:
 /var/cache/apt/archives/libpam-modules_1.1.0-2ubuntu1_i386.deb
Exception during pm.DoInstall(): E:Sub-process /usr/bin/dpkg returned an error code (1)

Could not install the upgrades

The upgrade is now aborted. Your system could be in an unusable
state. A recovery will run now (dpkg --configure -a).

Please report this bug against the 'update-manager' package and
include the files in /var/log/dist-upgrade/ in the bug report.
installArchives() failed

--end--

ProblemType: Bug
Architecture: i386
Date: Sat Oct 17 18:42:35 2009
DistroRelease: Ubuntu 9.10
Package: update-manager (not installed)
ProcEnviron:
 LANG=en_GB
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.28-15.52-generic
SourcePackage: update-manager
Uname: Linux 2.6.28-15-generic i586