package x11-common 1:7.5 5ubuntu1 failed to install/upgrade: subprocess new pre-installation script returned error exit status 1

[Robert A Williams]

I'm a newbie, I wouldn't have a clue!

ProblemType: Package
DistroRelease: Ubuntu 10.04
Package: x11-common 1:7.5+5ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-33.72-generic-pae 2.6.32.41+drm33.18
Uname: Linux 2.6.32-33-generic-pae i686
Architecture: i386
Date: Mon Aug 22 17:34:29 2011
Df:

DkmsStatus: Error: [Errno 2] No such file or directory
ErrorMessage: subprocess new pre-installation script returned error exit status 1
GdmLog2: Error: command ['cat', '/var/log/gdm/:0.log.2'] failed with exit code 1: cat: /var/log/gdm/:0.log.2: No such file or directory
InstallationMedia: Ubuntu-Server 10.04.2 LTS "Lucid Lynx" - Release i386 (20110211.1)
Lsusb:
 Bus 002 Device 002: ID 80ee:0021
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: innotek GmbH VirtualBox
PackageArchitecture: all
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.32-33-generic-pae root=/dev/mapper/hostname-root ro quiet
SourcePackage: xorg
Title: package x11-common 1:7.5+5ubuntu1 failed to install/upgrade: subprocess new pre-installation script returned error exit status 1
dmi.bios.date: 12/01/2006
dmi.bios.vendor: innotek GmbH
dmi.bios.version: VirtualBox
dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:
dmi.product.name: VirtualBox
dmi.product.version: 1.2
dmi.sys.vendor: innotek GmbH
glxinfo: Error: [Errno 2] No such file or directory
system:
 distro: Ubuntu
 codename: lucid
 architecture: i686
 kernel: 2.6.32-33-generic-pae

[Timo Aaltonen (tjaalton)]

from the logs:

Unpacking x11-common (from .../x11-common_7.5+5ubuntu1_all.deb) ...
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error processing /cdrom//pool/main/x/xorg/x11-common_7.5+5ubuntu1_all.deb (--unpack):
 subprocess new pre-installation script returned error exit status 1