python crashed during kaffeine trying to get codecs

[Akiko]

Binary package hint: python2.6

release: Ubuntu (64bit) 9.04 Alpha6
packages: Kaffeine 0.8.7-1ubuntu3, Python 2.6.1-0ubuntu3

ProblemType: Crash
Architecture: amd64
Dependencies:
 libgcc1 1:4.3.3-5ubuntu2
 zlib1g 1:1.2.3.3.dfsg-12ubuntu1
 gcc-4.3-base 4.3.3-5ubuntu2
 findutils 4.4.0-2ubuntu3
 libc6 2.9-4ubuntu2
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/python2.6
InterpreterPath: /usr/bin/python2.6
NonfreeKernelModules: nvidia
Package: python2.6-minimal 2.6.1-1ubuntu1
ProcAttrCurrent: unconfined
ProcCmdline: python /usr/bin/install-package --install libxine1-ffmpeg
ProcEnviron:
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 LANGUAGE=
 SHELL=/bin/bash
PythonArgs: []
SourcePackage: python2.6
Title: python2.6 crashed with SystemError in commit()
Traceback:
 Traceback (most recent call last):
   File "/usr/bin/install-package", line 196, in commit
     apt_pkg.PkgSystemLock()
 SystemError: E:Konnte Lock /var/lib/dpkg/lock nicht bekommen - open (11 Resource temporarily unavailable), E:Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
Uname: Linux 2.6.28-9-generic x86_64
UserGroups: