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

while updating via software center

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: jockey-common 0.9.4-0ubuntu10
ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
ApportVersion: 1.23-0ubuntu2
Architecture: amd64
Date: Sat Oct 8 23:36:24 2011
ExecutablePath: /usr/share/jockey/jockey-backend
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20111007.1)
InterpreterPath: /usr/bin/python2.7
MachineType: MICRO-STAR INTERNATIONAL CO.,LTD MS-7576
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/share/jockey/jockey-backend --debug -l /var/log/jockey.log
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=af8d32b1-4fdd-4f02-b16c-5ab13ff5fece 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: 12/17/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V4.0
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: 790GX-G65 (MS-7576)
dmi.board.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV4.0:bd12/17/2009:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-7576:pvr1.0:rvnMICRO-STARINTERNATIONALCO.,LTD:rn790GX-G65(MS-7576):rvr1.0:cvnMICRO-STARINTERNATIONALCO.,LTD:ct3:cvr1.0:
dmi.product.name: MS-7576
dmi.product.version: 1.0
dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO.,LTD