Comment 21 for bug 539324

This bug was fixed in the package partman-base - 139ubuntu3

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partman-base (139ubuntu3) lucid; urgency=low

  * parted 2.1 changed the semantics of ped_disk_clobber: it now zeroes out
    the first few and last few sectors of the disk, regardless of whether
    there appears to be a valid partition table on it. Unfortunately, this
    means that creating a filesystem on a whole disk device and then calling
    ped_disk_commit_to_dev zeroes the filesystem header we just created. To
    avoid this, call ped_disk_commit_to_dev only if the partition doesn't
    start at sector zero (LP: #539324, #549260).
 -- Colin Watson <email address hidden> Mon, 29 Mar 2010 21:55:02 +0100