RT，我用的是Tiny6410，256的flash。
mmcblk0: error -84 transferring data, sector 253740, nr 2, card status 0xe00
end_request: I/O error, dev mmcblk0, sector 253740
Buffer I/O error on device mmcblk0p1, logical block 245548
lost page write due to I/O error on mmcblk0p1
end_request: I/O error, dev mmcblk0, sector 253741
Buffer I/O error on device mmcblk0p1, logical block 245549
lost page write due to I/O error on mmcblk0p1
mmc0: ADMA error
mmc0: Got data interrupt 0x00200000 even though no data operation was in progres
s.
mmc0: Got data interrupt 0x00000002 even though no data operation was in progres
s.
mmcblk0: error -5 transferring data, sector 16385, nr 1, card status 0x900
end_request: I/O error, dev mmcblk0, sector 16385
Buffer I/O error on device mmcblk0p1, logical block 8193
lost page write due to I/O error on mmcblk0p1
mmc0: ADMA error
mmcblk0: error -5 transferring data, sector 253741, nr 1, card status 0x900
end_request: I/O error, dev mmcblk0, sector 253741
