logcat:
E/qdoverlay(  511): Bad ov dump:  mdp_overlay z=0 fg=0 alpha=255 mask=-1 flags=0x20000 id=-1
E/qdoverlay(  511): src msmfb_img w=288 h=280 format=13 MDP_RGBA_8888
E/qdoverlay(  511): src_rect mdp_rect x=0 y=0 w=280 h=280
E/qdoverlay(  511): dst_rect mdp_rect x=0 y=0 w=280 h=280
E/qdoverlay(  511): Bad ov dump:  mdp_overlay z=0 fg=0 alpha=255 mask=-1 flags=0x20000 id=-1
E/qdoverlay(  511): src msmfb_img w=288 h=280 format=13 MDP_RGBA_8888
E/qdoverlay(  511): src_rect mdp_rect x=0 y=0 w=280 h=280
E/qdoverlay(  511): dst_rect mdp_rect x=0 y=0 w=280 h=280
E/qdoverlay(  511): Bad ov dump:  mdp_overlay z=0 fg=0 alpha=255 mask=-1 flags=0x20000 id=-1
E/qdoverlay(  511): src msmfb_img w=288 h=280 format=13 MDP_RGBA_8888
E/qdoverlay(  511): src_rect mdp_rect x=0 y=0 w=280 h=280
E/qdoverlay(  511): dst_rect mdp_rect x=0 y=0 w=280 h=280
E/qdoverlay(  511): Bad ov dump:  mdp_overlay z=0 fg=0 alpha=255 mask=-1 flags=0x20000 id=-1
E/qdoverlay(  511): src msmfb_img w=288 h=280 format=13 MDP_RGBA_8888
E/qdoverlay(  511): src_rect mdp_rect x=0 y=0 w=280 h=280
E/qdoverlay(  511): dst_rect mdp_rect x=0 y=0 w=280 h=280
E/qdoverlay(  511): Bad ov dump:  mdp_overlay z=0 fg=0 alpha=255 mask=-1 flags=0x20000 id=-1
E/qdoverlay(  511): src msmfb_img w=288 h=280 format=13 MDP_RGBA_8888
E/qdoverlay(  511): src_rect mdp_rect x=0 y=0 w=280 h=280
E/qdoverlay(  511): dst_rect mdp_rect x=0 y=0 w=280 h=280
E/qdoverlay(  511): Bad ov dump:  mdp_overlay z=0 fg=0 alpha=255 mask=-1 flags=0x20000 id=-1
E/qdoverlay(  511): src msmfb_img w=288 h=280 format=13 MDP_RGBA_8888
E/qdoverlay(  511): src_rect mdp_rect x=0 y=0 w=280 h=280
E/qdoverlay(  511): dst_rect mdp_rect x=0 y=0 w=280 h=280
E/qdoverlay(  511): Bad ov dump:  mdp_overlay z=0 fg=0 alpha=255 mask=-1 flags=0x20000 id=-1
E/qdoverlay(  511): src msmfb_img w=288 h=280 format=13 MDP_RGBA_8888
E/qdoverlay(  511): src_rect mdp_rect x=0 y=0 w=280 h=280
E/qdoverlay(  511): dst_rect mdp_rect x=0 y=0 w=280 h=280
E/qdoverlay(  511): Bad ov dump:  mdp_overlay z=0 fg=0 alpha=255 mask=-1 flags=0x20000 id=-1
E/qdoverlay(  511): src msmfb_img w=288 h=280 format=13 MDP_RGBA_8888
E/qdoverlay(  511): src_rect mdp_rect x=0 y=0 w=280 h=280
E/qdoverlay(  511): dst_rect mdp_rect x=0 y=0 w=280 h=280


dùesg:
[  713.375562] mdss_fb_handle_buf_sync_ioctl: mdp-fence: waited on 1 active fences
[  713.382064] mdss_mdp_pipe_init: no 2 type pipes available
[  713.382087] mdss_mdp_overlay_pipe_setup: error allocating pipe. flags=0x20000
[  713.382487] mdss_fb_handle_buf_sync_ioctl: mdp-fence: waited on 1 active fences
[  713.387604] mdss_mdp_pipe_init: no 2 type pipes available
[  713.387622] mdss_mdp_overlay_pipe_setup: error allocating pipe. flags=0x20000
[  713.387976] mdss_fb_handle_buf_sync_ioctl: mdp-fence: waited on 1 active fences
[  713.394114] mdss_mdp_pipe_init: no 2 type pipes available
[  713.394133] mdss_mdp_overlay_pipe_setup: error allocating pipe. flags=0x20000
[  713.394487] mdss_fb_handle_buf_sync_ioctl: mdp-fence: waited on 1 active fences
[  713.399733] mdss_mdp_pipe_init: no 2 type pipes available
[  713.399751] mdss_mdp_overlay_pipe_setup: error allocating pipe. flags=0x20000
[  713.400097] mdss_fb_handle_buf_sync_ioctl: mdp-fence: waited on 1 active fences
[  713.406229] mdss_mdp_pipe_init: no 2 type pipes available
[  713.406248] mdss_mdp_overlay_pipe_setup: error allocating pipe. flags=0x20000
[  713.406597] mdss_fb_handle_buf_sync_ioctl: mdp-fence: waited on 1 active fences