We have uploaded a new Precise linux kernel. Please note the ABI bump.
The most notable changes are as follows:

* Disable RC6p (deep RC6) for Sandy Bridge
* Enable plain RC6 by default on Sandy Bridge
* Add NumaChip support
* Update Yama patch set with upstream v3.3
* Update Hyper-V storage, network, and mouse drivers with patches slated for v3.4

The full changelog can be seen at:

https://launchpad.net/ubuntu/+source/linux/3.2.0-17.26