/home/user # umount /dev/mmcblk1p1 umount: cannot umount /dev/mmcblk1p1: Invalid argument /home/user # mkdosfs /dev/mmcblk1p1 mkdosfs 3.0.1 (23 Nov 2008) 37 #####################################/home/user # mke2fs -j -m0 /dev/mmcblk1p2 mke2fs 1.41.3.maemo0 (12-Oct-2008) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) 129792 inodes, 518656 blocks 0 blocks (0.00%) reserved for the super user First data block=0 Maximum filesystem blocks=532676608 16 block groups 32768 blocks per group, 32768 fragments per group 8112 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912 Writing inode tables: done Creating journal (8192 blocks): done Writing superblocks and filesystem accounting information: done This filesystem will be automatically checked every 23 mounts or 180 days, whichever comes first. Use tune2fs -c or -i to override. /home/user #