https://bugzilla.kernel.org/show_bug.cgi?id=30102
--- Comment #7 from maolihappy 506330518@qq.com 2013-01-20 08:09:26 --- I don't know either. However, I have this question. My version of kernel is 3.0.34 and on the Internet I find that kernel 3.1 may solve this problem. Who can tell me that what is the initial version could solve this problem ?