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DM8168 MICRO SD DRIVER

hi, all!

    8168 can not write file into sd,

root@dm816x:~# cp aa.txt  /media/mmcblk0p1/
cp: can't create '/media/mmcblk0p1/aa.txt': Read-only file system
root@dm816x:~#

who  help me ? pls.
 

  • when removing sdcard, error occured:

    mmcblk0: error -110 sending status comand
    mmcblk0: error -110 sending read/write command, response 0x0, card status 0x0
    mmcblk0: error -110 transferring data, sector 2153, nr 7, card status 0x0
    mmcblk0: error -110 requesting status
    end_request: I/O error, dev mmcblk0, sector 2153

    why?