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[Apport retracing service <850095@xxxxxxxxxxxxxxxxxx>]

** Attachment added: "ThreadStacktrace.txt"
   https://bugs.launchpad.net/bugs/850095/+attachment/2403314/+files/ThreadStacktrace.txt

** Attachment removed: "CoreDump.gz"
   https://bugs.launchpad.net/bugs/850095/+attachment/2403210/+files/CoreDump.gz

** Changed in: lightdm (Ubuntu)
   Importance: Undecided => Medium

** Tags removed: need-i386-retrace

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https://bugs.launchpad.net/bugs/850095

Title:
  lightdm-qt-greeter crashed with SIGSEGV in QFile::fileName()

Status in “lightdm” package in Ubuntu:
  New

Bug description:
  Qt Greeter crashes on startup. I get it every time, so I can provide
  any additional  information if needed.

  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: lightdm-qt-greeter 0.9.5-0ubuntu1
  ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
  Uname: Linux 3.0.0-11-generic i686
  ApportVersion: 1.23-0ubuntu1
  Architecture: i386
  Date: Wed Sep 14 19:22:22 2011
  ExecutablePath: /usr/sbin/lightdm-qt-greeter
  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta i386 (20100318)
  ProcCmdline: lightdm-qt-greeter
  ProcEnviron:
   PATH=(custom, no user)
   LANG=ru_RU.UTF-8
   SHELL=/bin/false
  SegvAnalysis:
   Segfault happened at: 0x452fbc <_ZNK5QFile8fileNameEv+12>:	mov    (%eax),%edx
   PC (0x00452fbc) ok
   source "(%eax)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%edx" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: lightdm
  StacktraceTop:
   QFile::fileName() const () from /usr/lib/i386-linux-gnu/libQtCore.so.4
   QLightDM::UsersModel::getUsers() () from /usr/lib/liblightdm-qt-1.so.0
   QLightDM::UsersModel::loadUsers() () from /usr/lib/liblightdm-qt-1.so.0
   QLightDM::UsersModel::UsersModel(QObject*) () from /usr/lib/liblightdm-qt-1.so.0
   QLightDM::users() () from /usr/lib/liblightdm-qt-1.so.0
  Title: lightdm-qt-greeter crashed with SIGSEGV in QFile::fileName()
  UpgradeStatus: Upgraded to oneiric on 2011-09-02 (12 days ago)
  UserGroups:

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