根据smart210用户手册安装和使用linux章节进行linux使用，出现如下提示
[ 19.143083] mmcblk0: error -84 transferring data, sector 311883, nr 128, cmd response 0x900, card status 0x0
[ 19.143171] mmcblk0: retrying using single block read
[ 19.143299] mmcblk0: timed out sending r/w cmd command, card status 0x400b00
[ 19.143381] mmcblk0: command error, retrying timeout
linux启动卡死。请问是什么问题？
