plugininstall.py crashed with signal 7 in pkgCacheGenerator::NewFileVer()

Binary package hint: ubiquity

Tried to install Ubuntu in Oracle Virtual Box

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: ubiquity 2.4.8
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
Architecture: i386
Date: Sat Nov 6 15:18:37 2010
ExecutablePath: /usr/share/ubiquity/plugininstall.py
InterpreterPath: /usr/bin/python2.6
LiveMediaBuild: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
ProcCmdline: /usr/bin/python /usr/share/ubiquity/plugininstall.py
ProcEnviron:
 LANGUAGE=en_DK.UTF-8
 PATH=(custom, no user)
 LANG=en_DK.UTF-8
 LC_COLLATE=C
Signal: 7
SourcePackage: ubiquity
StacktraceTop:
 pkgCacheGenerator::NewFileVer(pkgCache::VerIterator&, pkgCacheGenerator::ListParser&) () from /usr/lib/libapt-pkg.so.4.10
 pkgCacheGenerator::MergeList(pkgCacheGenerator::ListParser&, pkgCache::VerIterator*) () from /usr/lib/libapt-pkg.so.4.10
 debStatusIndex::Merge(pkgCacheGenerator&, OpProgress*) const () from /usr/lib/libapt-pkg.so.4.10
 ?? () from /usr/lib/libapt-pkg.so.4.10
 pkgCacheGenerator::MakeStatusCache(pkgSourceList&, OpProgress*, MMap**, bool) () from /usr/lib/libapt-pkg.so.4.10
Title: plugininstall.py crashed with signal 7 in pkgCacheGenerator::NewFileVer()
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