jockey-backend crashed with SystemError: E:Sub-process /usr/bin/dpkg returned an error code (2)

[Sem Brignoli]

While installing Nvidia Drivers

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: jockey-common 0.9.4-0ubuntu7
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic i686
ApportVersion: 1.23-0ubuntu1
Architecture: i386
Date: Sat Sep 24 22:55:41 2011
ExecutablePath: /usr/share/jockey/jockey-backend
InterpreterPath: /usr/bin/python2.7
MachineType: BIOSTAR Group N68SB-M2S
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/share/jockey/jockey-backend --debug -l /var/log/jockey.log
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-11-generic root=UUID=9251cae7-5f2e-435f-a8d0-e5f178107995 ro quiet splash vt.handoff=7
PythonArgs: ['/usr/share/jockey/jockey-backend', '--debug', '-l', '/var/log/jockey.log']
SourcePackage: jockey
Title: jockey-backend crashed with SystemError: E:Sub-process /usr/bin/dpkg returned an error code (2)
Traceback: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (2)
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 06/24/2010
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: N68SB-M2S
dmi.board.vendor: BIOSTAR Group
dmi.chassis.type: 3
dmi.chassis.vendor: BIOSTAR Group
dmi.chassis.version: N68SB-M2S
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd06/24/2010:svnBIOSTARGroup:pnN68SB-M2S:pvr:rvnBIOSTARGroup:rnN68SB-M2S:rvr:cvnBIOSTARGroup:ct3:cvrN68SB-M2S:
dmi.product.name: N68SB-M2S
dmi.sys.vendor: BIOSTAR Group

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #850005, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.