We have uploaded a new Quantal linux kernel to quantal-proposed. Please note the ABI Bump. The most notable changes are as follows:

* Update AUFS and re-enable
* Add cifs support to the nfs-modules list (LP: #1031398)
* iwlwifi: Check BSS ctx active before call mac80211 (LP: #1021086)
* Remove duplicate firmware files
* intel_idle: initial IVB support
* EPT A/D (access dirty) bits support for KVM
* USB3 Latency Tolerance Messaging (LTM)
* Ivy Bridge Graphics Dynamic Parity Detection handling

The full changelog can be seen at:

https://launchpad.net/ubuntu/+source/linux/3.5.0-8.8