Here is a copy of the upstream report.
I tested the latest kernel, 3.12.0-031200rc7-generic and the problem is there. But, not with 3.2.0-38-generic
Here is a copy of the upstream report.
I tested the latest kernel, 3.12.0- 031200rc7- generic and the problem is there. But, not with 3.2.0-38-generic