[U-Boot-Users] Erase at 0x00230000 failed immediately: -EROFS. Is the sector locked?

[sun]

Hi.all!
   
  Under uboot I erased the flash and programed the rootfs img(jffs2) to the flash. After linux boot, then linux print the following information:
   
  Erase at 0x00230000 failed immediately: -EROFS. Is the sector locked?
   
  When I modified the file in the jffs2, linux display "No space left on the dev". And run df, linux display the following information:
   
  # df
Filesystem           1k-blocks      Used Available Use% Mounted on
/dev/mtdblock0            4096      4096         0 100% /
   
  but I only used 1.7MB and the size of mtdblock0 is  4MB.
   
  thanks!

       
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