This bug hits me too and prevents hard disk hot-plugging in Thinkpad Ultra Bay:
r...@karmic:/home/callweil# /sbin/hdparm --user-master u --security-unlock 'letmein' /dev/sdb security_password="letmein" /dev/sdb: Issuing SECURITY_UNLOCK command, password="letmein", user=user SECURITY_UNLOCK: Input/output error -- hdparm fails to handle security configuration... https://bugs.launchpad.net/bugs/487168 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs