On Sun, Sep 30, 2012 at 12:29:30PM +0800, Fengguang Wu wrote:                                                                                            
> Hi,                                                                                                                                                    
>                                                                                                                                                        
> I got the below oops in tree:                                                                                                                          
>                                                                                                                                                        
>    git://sources.calxeda.com/kernel/linux.git ubuntu-quantal                                                                                           
>                      

The other (maybe related) errors in this tree:

[  790.863084] hostname (24) used greatest stack depth: 4928 bytes left
[  814.604614] =============================================================================
[  814.604614] BUG filp (Not tainted): Poison overwritten
[  814.604614] -----------------------------------------------------------------------------
[  814.604614] 
[  814.604614] INFO: 0xffff88000ccf6c78-0xffff88000ccf6c78. First byte 0x6a instead of 0x6b

Thanks,
Fengguang