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dmesg : 

jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00c50000: 0x1eb6 instead

jffs2dump:

Converting image to little endian...
Wrong bitmask  at  0x00c50000, 0x1eb6
Wrong bitmask  at  0x00c50004, 0x0000
Wrong bitmask  at  0x00c50008, 0x0000
Wrong bitmask  at  0x00c5000c, 0x0000
Wrong bitmask  at  0x00c50010, 0x0000

What is causing this? how can i fix that? Thanks.

Mike L
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1 Answers1

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The image that you are dumping is not a valid JFFS2. It must have at least one erase block, it start with 0x8519 (0x1985 little endian).

Try with cat /proc/partition to see your partition table

ChristiaN
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