gala crashed while several instances of libreoffice where open and the window overview was opened

[fehler meldung]

i had like 6 open documents in libreoffice and went to the upper left corner several times then gala crashed...i hope this is helpful :)

ProblemType: Bug
DistroRelease: elementary OS 0.2
Package: elementary-desktop 1.303-0~377+r1~precise1 [origin: LP-PPA-elementary-os-daily]
ProcVersionSignature: Ubuntu 3.2.0-54.82-generic 3.2.50
Uname: Linux 3.2.0-54-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.4+elementary3~precise1
Architecture: amd64
CrashDB: elementary_meta
Date: Fri Oct 11 20:34:01 2013
EcryptfsInUse: Yes
InstallationMedia: elementary OS 0.2 "Luna" - Beta 2 amd64 (20130506)
MarkForUpload: True
ProcEnviron:
 LANGUAGE=de_AT:de
 PATH=(custom, no user)
 LANG=de_AT.UTF-8
 SHELL=/bin/bash
SourcePackage: elementary-meta
SuspiciousXErrors:

ThirdParty: True
UpgradeStatus: No upgrade log present (probably fresh install)