software-center crashed with signal 5 in _XReadEvents()

Reluanching worker fine.
apt-cache policy software-center

software-center:
  Installed: 13.09-0ubuntu1
  Candidate: 13.09-0ubuntu1
  Version table:
 *** 13.09-0ubuntu1 0
        500 http://mirrors.se.eu.kernel.org/ubuntu/ saucy/main i386 Packages
        100 /var/lib/dpkg/status

 lsb_release -rd
Description: Ubuntu Saucy Salamander (development branch)
Release: 13.10

uname -a
Linux hari-PORTEGE-R835 3.11.0-8-generic #15-Ubuntu SMP Fri Sep 20 04:11:16 UTC 2013 i686 i686 i686 GNU/Linux

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: software-center 13.09-0ubuntu1
ProcVersionSignature: Ubuntu 3.11.0-8.15-generic 3.11.1
Uname: Linux 3.11.0-8-generic i686
ApportVersion: 2.12.4-0ubuntu1
Architecture: i386
CrashCounter: 1
Date: Wed Sep 25 10:40:53 2013
ExecutablePath: /usr/share/software-center/software-center
InstallationDate: Installed on 2012-11-25 (304 days ago)
InstallationMedia: Xubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.1)
InterpreterPath: /usr/bin/python2.7
MarkForUpload: True
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-center
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.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: Upgraded to saucy on 2013-09-17 (7 days ago)
UserGroups: adm audio cdrom dialout dip fax floppy fuse lpadmin netdev plugdev sambashare scanner sudo tape video