mmcblk0:error -84的解决办法 今天在样机的SD卡上进行读写的时候,内核报错: mmcblk:0 error -84 transferring data, sector 8057, nr 1, cmd response 0x900, card status 0x0 sblk_update_request: I/O error, dev mmcblk0, sector 8057 Buffer I/O erron on dev mmcblk0p1, logical block 6009,...