apport-gtk crashed with SIGABRT in raise()

[awi]

1) Description: Ubuntu precise (development branch)
Release: 12.04

2) apport:
  Installed: 1.91-0ubuntu1
  Candidate: 1.91-0ubuntu1
  Version table:
 *** 1.91-0ubuntu1 0
        500 http://py.archive.ubuntu.com/ubuntu/ precise/main i386 Packages
        100 /var/lib/dpkg/status
3) Browse the web normally
4) The crash happens several times. Firefox still works, but de app crash reports keeps showing.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: apport-gtk 1.91-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-12.21-generic-pae 3.2.2
Uname: Linux 3.2.0-12-generic-pae i686
ApportVersion: 1.91-0ubuntu1
Architecture: i386
CrashReports:
 600:1000:1000:753351:2012-02-04 10:18:53.285364000 -0300:2012-02-04 10:18:54.285364000 -0300:/var/crash/_usr_lib_unity-lens-applications_unity-applications-daemon.1000.crash
 600:1000:1000:3218505:2012-02-04 10:53:07.528588000 -0300:2012-02-04 10:53:08.528588000 -0300:/var/crash/_usr_bin_gnome-panel.1000.crash
 600:1000:1000:34356:2012-02-04 10:53:06.636588000 -0300:2012-02-04 11:10:09.636622114 -0300:/var/crash/_usr_lib_ubuntu-sso-client_ubuntu-sso-login.1000.crash
 640:1000:1000:8334962:2012-02-04 11:10:35.244622000 -0300:2012-02-04 11:10:40.612623148 -0300:/var/crash/_usr_share_apport_apport-gtk.1000.crash
Date: Sat Feb 4 11:10:10 2012
ExecutablePath: /usr/share/apport/apport-gtk
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120203)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/share/apport/apport-gtk
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 6
SourcePackage: apport
StacktraceTop:
 raise () from /lib/i386-linux-gnu/libc.so.6
 abort () from /lib/i386-linux-gnu/libc.so.6
 __assert_fail () from /lib/i386-linux-gnu/libc.so.6
 ?? () from /usr/lib/i386-linux-gnu/libX11.so.6
 ?? () from /usr/lib/i386-linux-gnu/libX11.so.6
Title: apport-gtk crashed with SIGABRT in raise()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #901675, 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.