software-properties-gtk crash on start

[Kaare Baastrup]

software-properties-gtk
gpg: /tmp/tmp2dq1vt/trustdb.gpg: trustdb created
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/UbuntuDrivers/detect.py", line 162, in packages_for_modalias
    cache_map = packages_for_modalias.cache_maps[apt_cache_hash]
KeyError: 4154569

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/bin/software-properties-gtk", line 103, in <module>
    app = SoftwarePropertiesGtk(datadir=options.data_dir, options=options, file=file)
  File "/usr/lib/python3/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py", line 178, in __init__
    self.init_drivers()
  File "/usr/lib/python3/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py", line 1097, in init_drivers
    self.devices = detect.system_device_drivers()
  File "/usr/lib/python3/dist-packages/UbuntuDrivers/detect.py", line 415, in system_device_drivers
    for pkg, pkginfo in system_driver_packages(apt_cache).items():
  File "/usr/lib/python3/dist-packages/UbuntuDrivers/detect.py", line 319, in system_driver_packages
    for p in packages_for_modalias(apt_cache, alias):
  File "/usr/lib/python3/dist-packages/UbuntuDrivers/detect.py", line 164, in packages_for_modalias
    cache_map = _apt_cache_modalias_map(apt_cache)
  File "/usr/lib/python3/dist-packages/UbuntuDrivers/detect.py", line 129, in _apt_cache_modalias_map
    m = package.candidate.record['Modaliases']
  File "/usr/lib/python3/dist-packages/apt/package.py", line 429, in record
    return Record(self._records.record)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xeb in position 114: invalid continuation byte

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: software-properties-gtk 0.92.6
ProcVersionSignature: Ubuntu 3.5.0-16.25-generic 3.5.4
Uname: Linux 3.5.0-16-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.5.3-0ubuntu1
Architecture: amd64
Date: Mon Oct 1 13:32:53 2012
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120911)
PackageArchitecture: all
SourcePackage: software-properties
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.