software-center crashed with signal 5 in _XReadEvents()

Quando a sofware-center e íniciada a janela trava e depois sai e so depois de um tempo que ela volta a funcionar.

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: software-center 13.08-0ubuntu1
ProcVersionSignature: Ubuntu 3.11.0-4.9-generic 3.11.0-rc7
Uname: Linux 3.11.0-4-generic i686
ApportVersion: 2.12.1-0ubuntu3
Architecture: i386
CrashCounter: 1
Date: Tue Sep 3 23:12:48 2013
ExecutablePath: /usr/share/software-center/software-center
InstallationDate: Installed on 2013-08-31 (3 days ago)
InstallationMedia: Xubuntu 13.10 "Saucy Salamander" - Alpha i386 (20130830)
InterpreterPath: /usr/bin/python2.7
MarkForUpload: True
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-center
ProcEnviron:
 LANGUAGE=pt_BR:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=pt_BR.UTF-8
 SHELL=/bin/bash
Signal: 5
SourcePackage: software-center
StacktraceTop:
 ?? () from /usr/lib/i386-linux-gnu/libX11.so.6
 ?? () from /usr/lib/i386-linux-gnu/libX11.so.6
 _XReadEvents () from /usr/lib/i386-linux-gnu/libX11.so.6
 ?? () from /usr/lib/i386-linux-gnu/libcairo.so.2
 ?? () from /usr/lib/i386-linux-gnu/libcairo.so.2
Title: software-center crashed with signal 5 in _XReadEvents()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo