fatal IO error 22 (Invalid argument) on X server ":0"

[elhoir]

run pacman from console, then close using X button.

elhoir@elhoir-laptop:~$ pacman
XIO: fatal IO error 22 (Invalid argument) on X server ":0"
      after 1114 requests (1114 known processed) with 0 events remaining.
elhoir@elhoir-laptop:~$

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: pacman 10-17ubuntu2
ProcVersionSignature: Ubuntu 3.8.0-0.4-generic 3.8.0-rc3
Uname: Linux 3.8.0-0-generic x86_64
ApportVersion: 2.8-0ubuntu2
Architecture: amd64
Date: Sat Jan 19 17:44:43 2013
InstallationDate: Installed on 2012-03-07 (317 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
MarkForUpload: True
SourcePackage: pacman
UpgradeStatus: Upgraded to raring on 2012-12-27 (22 days ago)