OK, looks like it's specific to my model, will re-close this bug and point everyone to bug #658198, where I am logging the not-very-entertaining task of bisecting Maverick's kernel Git tree to find where this bug started.
OK, looks like it's specific to my model, will re-close this bug and point everyone to bug #658198, where I am logging the not-very- entertaining task of bisecting Maverick's kernel Git tree to find where this bug started.