package resolvconf 1.63ubuntu10 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[y.srinivas]

Crashed while upgarding Ubuntu 12.04

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: resolvconf 1.63ubuntu10
ProcVersionSignature: Ubuntu 3.2.0-19.30-generic 3.2.11
Uname: Linux 3.2.0-19-generic x86_64
ApportVersion: 1.94.1-0ubuntu2
Architecture: amd64
Date: Wed Mar 21 12:35:31 2012
DuplicateSignature:
 Setting up resolvconf (1.63ubuntu10) ...
 debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
 dpkg: error processing resolvconf (--configure):
  subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
PackageArchitecture: all
SourcePackage: resolvconf
Title: package resolvconf 1.63ubuntu10 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to precise on 2012-03-21 (0 days ago)

[Thomas Hood (jdthood)]

Submitter of #960907: Please read #349469 which includes suggestions for working around the bug and requests for information about what happens when this bug bites. Please follow up to #349469.

[Thomas Hood (jdthood)]

Submitter (y.srinivas): How did you solve this problem? Was a reboot sufficient?