android crash

acer z120 
I/GraphicBuffer(   96): allocate buffer (w:320 h:480 f:5) err(0)

W/MMUMapper(   96): fail to register MVA, unsupported format(0x5)

I/BufferQueue(   96): [SurfaceView] createGraphicBuffer before(NULL) after(0x422344f8, handle=0x42232260, w=320, h=480, f=5)

W/MMUMapper( 7569): fail to register MVA, unsupported format(0x5)

F/libc    ( 7569): Fatal signal 11 (SIGSEGV) at 0x0000000c (code=1), thread 7582 (Thread-704)