On 3/21/07, Richard Genoud wrote: > I trace the code, and it seems that it's a problem with getting the > partitioning information. > I'm going to search in this way. > > here's the trace I get : > mount -tyaffs2 /dev/mtdblock0 /mnt/mtd0 > into yaffs2_read_super_mtd > into get_sb_bdev > into open_bdev_excl > into do_open > -> get_gendisk : kobj_lookup returned NULL <- > do_open : get_gendisk error > open_bdev_excl : blkdev_get error > open_bdev_excl error : IS_ERR(bdev) = -6 > get_sb_bdev result=-6 > > mount: Mounting /dev/mtdblock0 on /mnt/mtd0 failed: No such device or address Can you please post your .config here? First of all, I'd check that MTD block device support is enabled at all. Vitaly