Linuxでのこのmmc読み取りの問題の理由は何ですか..? これを解決するのを手伝ってください...?以下のカーネル起動ログを確認して、これを解決するのを手伝ってください..
新しく作成されたカーネル イメージを使用してコンパイルおよび起動された mmc の関連ドライバーを有効にしました
mmc0: card lacks mandatory switch function, performance might suffer.
mmc0: host does not support reading read-only switch. assuming write-enable.
mmc0: new SD card at address b368
mmcblk0: mmc0:b368 SMI-S 8.00 MiB
mmcblk0:
mmcblk0: retrying using single block read
mmcblk0: error -110 transferring data, sector 0, nr 8, card status 0xb00
end_request: I/O error, dev mmcblk0, sector 0
mmcblk0: error -110 sending read/write command, response 0xb00, card status 0x40
end_request: I/O error, dev mmcblk0, sector 1
mmcblk0: error -110 sending read/write command, response 0x400b00, card status 0
end_request: I/O error, dev mmcblk0, sector 2
mmcblk0: error -110 sending read/write command, response 0x400b00, card status 0
end_request: I/O error, dev mmcblk0, sector 3
mmcblk0: error -110 sending read/write command, response 0x400b00, card status 0
end_request: I/O error, dev mmcblk0, sector 4
mmcblk0: error -110 sending read/write command, response 0x400b00, card status 0
end_request: I/O error, dev mmcblk0, sector 5
mmcblk0: error -110 sending read/write command, response 0x400b00, card status 0
end_request: I/O error, dev mmcblk0, sector 6
mmcblk0: error -110 sending read/write command, response 0x400b00, card status 0
end_request: I/O error, dev mmcblk0, sector 7
Buffer I/O error on device mmcblk0, logical block 0
mmcblk0: retrying using single block read
mmcblk0: error -110 sending read/write command, response 0x400b00, card status 0
end_request: I/O error, dev mmcblk0, sector 0
mmcblk0: error -110 sending read/write command, response 0x400b00, card status 0
end_request: I/O error, dev mmcblk0, sector 1
mmcblk0: error -110 sending read/write command, response 0x400b00, card status 0
end_request: I/O error, dev mmcblk0, sector 2
mmcblk0: error -110 sending read/write command, response 0x400b00, card status 0
end_request: I/O error, dev mmcblk0, sector 3
mmcblk0: error -110 sending read/write command, response 0x400b00, card status 0
end_request: I/O error, dev mmcblk0, sector 4
mmcblk0: error -110 sending read/write command, response 0x400b00, card status 0
end_request: I/O error, dev mmcblk0, sector 5
mmcblk0: error -110 sending read/write command, response 0x400b00, card status 0
end_request: I/O error, dev mmcblk0, sector 6
mmcblk0: error -110 sending read/write command, response 0x400b00, card status 0
end_request: I/O error, dev mmcblk0, sector 7
Buffer I/O error on device mmcblk0, logical block 0
unable to read partition table