nautilus frequently (and randomly) causes the system to hang and eventually crashes. no idea why it's so thoroughly borked, however it seemed to have started a few months ago after upgrading to Raring.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: nautilus 1:3.6.3-0ubuntu16
ProcVersionSignature: Ubuntu 3.8.0-25.37-generic 3.8.13
Uname: Linux 3.8.0-25-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.9.2-0ubuntu8.1
Architecture: amd64
Date: Tue Jun 18 14:41:13 2013
EcryptfsInUse: Yes
GsettingsChanges: b'org.gnome.nautilus.window-state' b'geometry' b"'931x609+0+24'"
InstallationDate: Installed on 2012-04-06 (437 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
MarkForUpload: True
SourcePackage: nautilus
UpgradeStatus: Upgraded to raring on 2013-04-19 (60 days ago)
We are sorry that we do not always have the capacity to review all reported bugs in a timely manner.
Ubuntu 13.04 (raring) reached end-of-life on January 27, 2014.
Do you still see a problem related to the one that you reported in a currently supported version of Ubuntu? Please let us know if you do and in which version otherwise this report can be left to expire in approximately 60 days time.
Thank you for helping make Ubuntu better.
Paul White
[Ubuntu Bug Squad]