Binder thread # unhandler page fault at

I have a android devices, it randomly show the crash message( one time in 10) in the console when it boot up, after that the android launcher hold and not respond:

[    6.360134] Binder Thread #: unhandled page fault (11) at 0x00000070, code 0x017
[    6.367628] 
[    6.369139] --------------------------------------------------------------------------------------
[    6.378133] PC, LR MEMINFO
[    6.380853] --------------------------------------------------------------------------------------
[    6.389860] PC:400fa2e4, LR:400fa317
[    6.393452] --------------------------------------------------------------------------------------
[    6.402451] PC meminfo (0x400fa6e4 to 0x400fa6e4)
[    6.407178] a6e0:          4604b510
[    6.410693] --------------------------------------------------------------------------------------
[    6.419763] LR meminfo (0x400f9b17 to 0x400fa717)

..... can anyone tell me what's the problem will be? or the ways to find it out?