80GB Intel X25-M G2 SSD and Secure Erase
For whatever reason after updating my Intel X25-M G2 SSD to latest firmware (dated 2011) option to do secure erase disappeared. Yes, I know all about tricks of hot plugging disks etc. Secure erasing another identical X25-M G2 on same PC visible as /dev/sdb works fine. One with latest firmware simply no longer supports it which is also confirmed by hdparm -I.