This bug was fixed in the package partman-base - 129ubuntu6
--------------- partman-base (129ubuntu6) jaunty; urgency=low
* Support partman/filter_mounted preseeding again, for some special cases that know they can get away with modifying partitions after the one containing the installation medium (LP: #354573).
-- Colin Watson <email address hidden> Fri, 03 Apr 2009 23:28:17 +0100
This bug was fixed in the package partman-base - 129ubuntu6
---------------
partman-base (129ubuntu6) jaunty; urgency=low
* Support partman/ filter_ mounted preseeding again, for some special cases
that know they can get away with modifying partitions after the one
containing the installation medium (LP: #354573).
-- Colin Watson <email address hidden> Fri, 03 Apr 2009 23:28:17 +0100