xfce segfault & complete system failure after Thunar crash

[markling]

This is related to a Thunar crash, described here: https://bugs.launchpad.net/ubuntu/+source/thunar/+bug/1206145

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: xfce4-session 4.10.0-2ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-26.38-generic 3.8.13.2
Uname: Linux 3.8.0-26-generic x86_64
ApportVersion: 2.9.2-0ubuntu8.1
Architecture: amd64
Date: Mon Jul 29 16:06:54 2013
InstallationDate: Installed on 2012-11-28 (242 days ago)
InstallationMedia: Xubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.1)
MarkForUpload: True
SourcePackage: xfce4-session
UpgradeStatus: Upgraded to raring on 2013-05-14 (75 days ago)