update-apt-xapian-index crashed with DatabaseLockError in __init__()

[YannUbuntu]

Binary package hint: apt-xapian-index

Maybe duplicate of Bug #590998

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: apt-xapian-index 0.39ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-22.35-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
Architecture: i386
Date: Sun Nov 7 00:52:40 2010
ExecutablePath: /usr/sbin/update-apt-xapian-index
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
InterpreterPath: /usr/bin/python2.6
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/sbin/update-apt-xapian-index --update -q
ProcEnviron:
 PATH=(custom, no user)
 LANG=fr_FR.utf8
 SHELL=/bin/bash
PythonArgs: ['/usr/sbin/update-apt-xapian-index', '--update', '-q']
SourcePackage: apt-xapian-index
Title: update-apt-xapian-index crashed with DatabaseLockError in __init__()
UserGroups: