apt_check.py crashed with SIGSEGV in pkgCacheGenerator::MergeList()

[Richard Icare]

Binary package hint: update-notifier

i launched the update manager and this message pope up

ProblemType: Crash
Architecture: i386
CrashCounter: 1
Date: Fri Oct 16 19:57:49 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/lib/update-notifier/apt_check.py
InterpreterPath: /usr/bin/python2.6
Package: update-notifier-common 0.90
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/lib/update-notifier/apt-check
ProcEnviron:
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.47-generic
SegvAnalysis:
 Segfault happened at: 0x173c7f <_ZN17pkgCacheGenerator9MergeListERNS_10ListParserEPN8pkgCache11VerIteratorE+1407>: mov (%edx),%edx
 PC (0x00173c7f) ok
 source "(%edx)" (0x67750998) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: update-notifier
StacktraceTop:
 pkgCacheGenerator::MergeList(pkgCacheGenerator::ListParser&, pkgCache::VerIterator*) () from /usr/lib/libapt-pkg-libc6.10-6.so.4.8
 debStatusIndex::Merge(pkgCacheGenerator&, OpProgress&) const
 ?? () from /usr/lib/libapt-pkg-libc6.10-6.so.4.8
 pkgMakeStatusCache(pkgSourceList&, OpProgress&, MMap**, bool) () from /usr/lib/libapt-pkg-libc6.10-6.so.4.8
 pkgCacheFile::BuildCaches(OpProgress&, bool) ()
Title: apt_check.py crashed with SIGSEGV in pkgCacheGenerator::MergeList()
Uname: Linux 2.6.31-14-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #340479, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.