apt_check.py crashed with SIGSEGV in pkgCache::FindPkg()

Binary package hint: update-notifier

installing .deb pak

ProblemType: Crash
Architecture: amd64
Date: Fri Feb 12 19:14:03 2010
DistroRelease: Ubuntu 10.04
ExecutablePath: /usr/lib/update-notifier/apt_check.py
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20100210)
InterpreterPath: /usr/bin/python2.6
NonfreeKernelModules: nvidia
Package: update-notifier-common 0.94
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/lib/update-notifier/apt-check
ProcEnviron:
 LANG=it_IT.utf8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-13.18-generic
SegvAnalysis:
 Segfault happened at: 0x7f2161e9dd5b <_ZN8pkgCache7FindPkgERKSs+123>: movzbl (%r15),%eax
 PC (0x7f2161e9dd5b) ok
 source "(%r15)" (0x7f21940ff02e) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: update-notifier
StacktraceTop:
 pkgCache::FindPkg(std::string const&) ()
 pkgCacheGenerator::NewPackage(pkgCache::PkgIterator&, std::string const&) () from /usr/lib/libapt-pkg-libc6.10-6.so.4.8
 pkgCacheGenerator::ListParser::NewDepends(pkgCache::VerIterator, std::string const&, std::string const&, unsigned int, unsigned int) () from /usr/lib/libapt-pkg-libc6.10-6.so.4.8
 debListParser::ParseDepends(pkgCache::VerIterator, char const*, unsigned int) () from /usr/lib/libapt-pkg-libc6.10-6.so.4.8
 debListParser::NewVersion(pkgCache::VerIterator) ()
Title: apt_check.py crashed with SIGSEGV in pkgCache::FindPkg()
Uname: Linux 2.6.32-13-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare