Hello, I saw several other questions to this topic, but I can't make it run... I would like to create a YAFFS image using mkyaffs2image for creation and the MTD utility nandwrite for programming under 2.6.22.18: $mkyaffs2image testdir yaffs2.img $nandwrite -a -o yaffs2.img /dev/mtd5 After mounting, the device has no checkpoint and is empty (only "lost+found" visible). What I tried out: 1) I already tried the mkyaffs2image patch with the new oob_ecc_size (=14) parameter from here http://www.aleph1.co.uk/lurker/message/20070912.140012.12f2d093.en.html . 2) Also I already wanted to try the yaffs_mtdif2.c in the patches folder - but it doesn't compile with my 2.6.22.18 MTD environment. Anybody has a newer version? Any other ideas? Thank you very much, Peter Voser