JFFS2 debugging tools needed

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 I have  NOR flashes with  JFFS2 file system on them. One of the files has a
 data crc and I need to determine if the failure is a result of software or
 I don't have access to the programmer that manufacturing uses it's on another
 continent so, I need a software solution.
 This software application must allow me to traverse all the corrupted nodes
 the file and return back the memory locations in the flash where these nodes
 Then I can write patterns to determine if there is a bad address line, data
 or memory cells.
 The mtd-utils don't appear to have that capability but, I may be mistaken.
 Any help would be greatly appreciated.

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