Since installing unity-system-compositor this machine no longer suspends when I close the lid. This worked before, acpi-listen shows the lid events, and suspending manually works fine, so this looks to be some sort of missing plumbing to trigger a suspend on lid events.
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: unity-system-compositor 0.0.1+13.10.20130822.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.11.0-4.9-generic 3.11.0-rc7
Uname: Linux 3.11.0-4-generic x86_64
ApportVersion: 2.12.1-0ubuntu2
Architecture: amd64
Date: Tue Aug 27 08:12:04 2013
EcryptfsInUse: Yes
GraphicsCard:
Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Apple Inc. Device [106b:00eb]
InstallationDate: Installed on 2012-10-24 (307 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
LightDMLog: Error: [Errno 13] Permission denied: '/var/log/lightdm/lightdm.log'
MarkForUpload: True
SourcePackage: unity-system-compositor
UnitySystemCompositorLog: Error: [Errno 13] Permission denied: '/var/log/lightdm/unity-system-compositor.log'
UpgradeStatus: Upgraded to saucy on 2013-05-01 (117 days ago)
version.libdrm: libdrm2 2.4.46-1
version.lightdm: lightdm 1.7.11-0ubuntu1
version.mesa: libegl1-mesa-dev N/A
Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1211503, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.