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

* [Config] Disable CONFIG_ARM_LPAE (LP: #1009061)
* b43: do not call ieee80211_unregister_hw if we are not registered (LP: #1008905)
* [Config] omap3: MFD_OMAP_USB_HOST is usb host in omap2+ (LP: #1009061)

The full changelog can be seen at:

https://launchpad.net/ubuntu/+source/linux/3.4.0-5.11