calibre crashed with SIGSEGV in QStandardItemModel::indexFromItem()

Binary package hint: calibre

1) beowulf@stormrider:~$ lsb_release -rd
Description: Ubuntu 9.10
Release: 9.10

2) beowulf@stormrider:~$ apt-cache policy calibre
calibre:
  Installiert: 0.6.13+dfsg-0ubuntu3
  Kandidat: 0.6.13+dfsg-0ubuntu3
  Versions-Tabelle:
 *** 0.6.13+dfsg-0ubuntu3 0
        500 http://de.archive.ubuntu.com karmic/universe Packages
        100 /var/lib/dpkg/status

3) calibre should close correctly after converting an html-directory to epub

4) calibre crashed

ProblemType: Crash
Architecture: i386
Date: Thu Oct 22 20:10:23 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/calibre
InterpreterPath: /usr/bin/python2.6
Package: calibre 0.6.13+dfsg-0ubuntu3
PackageArchitecture: all
ProcCmdline: python /usr/bin/calibre
ProcEnviron:
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-13.45-generic
SegvAnalysis:
 Segfault happened at: 0x1d7a7b8: mov 0x4(%edx),%edi
 PC (0x01d7a7b8) ok
 source "0x4(%edx)" (0x00000005) not located in a known VMA region (needed readable region)!
 destination "%edi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: calibre
StacktraceTop:
 ?? () from /usr/lib/libQtGui.so.4
 QStandardItemModel::indexFromItem(QStandardItem const*) const () from /usr/lib/libQtGui.so.4
 QStandardItemModel::parent(QModelIndex const&) const ()
 ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtGui.so
 QTreeView::scrollTo(QModelIndex const&, QAbstractItemView::ScrollHint) () from /usr/lib/libQtGui.so.4
Title: calibre crashed with SIGSEGV in QStandardItemModel::indexFromItem()
Uname: Linux 2.6.31-13-generic i686
UserGroups: adm admin audio cdrom dialout dip fax fuse lp lpadmin netdev plugdev sambashare users video