I'm trying to change partition type using fdisk but I receive error 22. What does this error 22 means ? Reboot (as suggested by the message) doesn't resolve neither update partition type. (...) fdisk /dev/sda1 Command (m for help): t Selected partition 1 Hex code (type L to list codes): 83 Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. WARNING: Re-reading the partition table failed with error 22: Invalid argument. The kernel still uses the old table. The new table will be used at the next reboot. Syncing disks. (...) Thanks for any clue, -- Bruno