Kernel 挂载emmc 分区时总是报错
Kernel 挂载emmc分区的时候总报错
命令是如下:
```
mount -t ext4 -rw /dev/block/mmcblk0p5 /mnt/ff/
```
报错如下
```
mmcblk0: error -110 sending status command, retrying
mmc0: Got data interrupt 0x00000002 even though no data operation was in progress.
mmcblk0: error -110 sending stop command, original cmd response 0x900, card status 0x900
mmcblk0: error -84 transferring data, sector 294912, nr 8, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 294912
Buffer I/O error on device mmcblk0p5, logical block 0
lost page write due to I/O error on mmcblk0p5
EXT4-fs (mmcblk0p5): mounted filesystem with ordered data mode. Opts: (null)
```
命令执行完之后 发现 分区确实是已经挂载上去 但是不能写入数据 read Only 类型
在 mount 命令时 加上 -rw 参数也不行!
额外发现 在系统启动后
drivers/mmc/core/core.c 中的文件中的 mmc_wait_for_cmd(card->host, &cmd, retries);
一直在被重复的调用 不知道是什么原因 是否因为这个原因对挂载有影响?