Can't mount jffs2 from epcs

[Altera_Forum]

It drive me crazy. 

when I do according to  http://forum.niosforum.com/forum/index.php?showtopic=3174 (http://forum.niosforum.com/forum/index.php?showtopic=3174) and mount the jffs2 fs from the epcs( the board is DE2 ,and EPCS is EPCS16) try many times and not success. the promot on the uClinux is:# mount –t jffs2 /dev/mtdblock0 /mnt Eep. No valid nodes for ino# 1 or# mknod /dev/mtdblock0 b 31 0 mknod : /dev/mtdblock0 :file exists# mount –t jffs2 /dev/mtdblock0 /mnt mount : Mounting /dev/mtdblock0 on /mnt : Device or resource busy  someone help me!

[Altera_Forum]

try erase the jffs2 partition with nios2-flash-programmer .

[Altera_Forum]

--- Quote Start ---  originally posted by hippo@Jul 10 2006, 01:17 PM try erase the jffs2 partition with nios2-flash-programmer . <div align='right'><{post_snapback}> (index.php?act=findpost&pid=16734)  --- quote end ---    --- Quote End ---    I erase the jffs2 partition as following: nios2-flash-programmer --epcs --erase-all --base=0x00900800  and mount the jffs2, the problem still exist:# mount –t jffs2 /dev/mtdblock0 /mnt Eep. No valid nodes for ino# 1 or# mknod /dev/mtdblock0 b 31 0 mknod : /dev/mtdblock0 :file exists# mount –t jffs2 /dev/mtdblock0 /mnt mount : Mounting /dev/mtdblock0 on /mnt : Device or resource busy  ??? What the problem indeed? http://forum.niosforum.com/work2/style_emoticons/<#EMO_DIR#>/sad.gif