update-apt-xapian-index crashed with SIGSEGV in pkgCacheGenerator::NewFileVer()

Binary package hint: apt-xapian-index

ProblemType: Crash
Architecture: amd64
CrashCounter: 1
Date: Fri Mar 19 23:26:48 2010
DistroRelease: Ubuntu 10.04
ExecutablePath: /usr/sbin/update-apt-xapian-index
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100318)
InterpreterPath: /usr/bin/python2.6
NonfreeKernelModules: nvidia
Package: apt-xapian-index 0.22
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/sbin/update-apt-xapian-index --update -q
ProcEnviron:
 PATH=(custom, no user)
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-16.25-generic
SegvAnalysis:
 Segfault happened at: 0x7fc5b0409894 <_ZN17pkgCacheGenerator10NewFileVerERN8pkgCache11VerIteratorERNS_10ListParserE+148>: mov 0x4(%rax),%eax
 PC (0x7fc5b0409894) ok
 source "0x4(%rax)" (0x7fcddd12d5e4) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: apt-xapian-index
StacktraceTop:
 pkgCacheGenerator::NewFileVer(pkgCache::VerIterator&, pkgCacheGenerator::ListParser&) () from /usr/lib/libapt-pkg-libc6.10-6.so.4.8
 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
 ?? () 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
Title: update-apt-xapian-index crashed with SIGSEGV in pkgCacheGenerator::NewFileVer()
Uname: Linux 2.6.32-16-generic x86_64
UserGroups: