This is really a hard nut to crack... Please try Code: sudo gainroot mkfs.ext3 -L -c -c optfs /dev/mmcblk0p2 This might take some time.
sudo gainroot mkfs.ext3 -L -c -c optfs /dev/mmcblk0p2
sudo gainroot /home/user # mkfs.ext3 -L -c -c optfs /dev/mmcblk0p2 mke2fs 1.41.3.maemo0 (12-Oct-2008) mkfs.ext3: invalid blocks count - /dev/mmcblk0p2 /home/user #