Have same problem here, I can't access my encrypted home partition now, which is most unfortunate since thats where all my work is at.. hopefully I can reinstall dapper again and get my data back.
[EMAIL PROTECTED]:~$ sudo cryptsetup create crypt /dev/sda2 Command failed: Incompatible libdevmapper 1.02.07 (2006-05-11)(compat) and kernel driver [EMAIL PROTECTED]:~$ -- libdevmapper incompatible with cryptsetup kernel driver https://launchpad.net/bugs/64625 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs