python2.6 crashed with SystemError in commit()

[dotancohen]

Binary package hint: python2.6

Note that this error occurred on the first boot after installing the system, right after the desktop came up and before I touched anything.
$ lsb_release -rd
Description: Ubuntu 9.04
Release: 9.04
jaunty2@laptop:~$ apt-cache policy python
python:
  Installed: 2.6.1-0ubuntu9
  Candidate: 2.6.1-0ubuntu9
  Version table:
 *** 2.6.1-0ubuntu9 0
        500 http://us.archive.ubuntu.com jaunty/main Packages
        100 /var/lib/dpkg/status

This is Kubuntu 9.04 RC amd64, alternative install disc.

ProblemType: Crash
Architecture: amd64
Dependencies:
 libgcc1 1:4.3.3-5ubuntu4
 zlib1g 1:1.2.3.3.dfsg-12ubuntu2
 gcc-4.3-base 4.3.3-5ubuntu4
 findutils 4.4.0-2ubuntu4
 libc6 2.9-4ubuntu6
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/python2.6
InterpreterPath: /usr/bin/python2.6
Package: python2.6-minimal 2.6.2~rc1-0ubuntu2
ProcAttrCurrent: unconfined
ProcCmdline: python /usr/bin/install-package --update
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 LANGUAGE=en_US
 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 202, in commit
     apt_pkg.PkgSystemLock()
 SystemError: E:Could not get lock /var/lib/dpkg/lock - open (11 Resource temporarily unavailable), E:Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
Uname: Linux 2.6.28-11-generic x86_64
UserGroups: